Ford fuel pump shutoff relay. truck will not start. The fuel pump relay has a green base. I released the parking brake to back into the loading position and the engine died. That's how it works; The fuel pump relay coil gets power all the time the key is in run. Any ideas and do you think this is going to turn the pump off. I started checking the systems to determine the cause of the dead battery and discovered that Fuel pump relay or a FPDM - fuel pump driver module , or the inertia fuel cut off switch was tripped . Ford Expedition Forum. Now if you've disabled some of the smog junk ( like me ), clip the red wire and cap it with a twist nut. My 2013 Ford F150 with the eco-boost six speed transmission a code of 2704. When you turn the key to the ON position, you should hear the fuel pump prime for a second or two. Fired it up drove it maybe five miles round the house to test it. Once you open up the fuse box, you can use the diagram on the fuse box cover to find the fuse to the fuel pump relay. Search Fixya. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - 1986 F 250 Fuel System Wiring - I have 1986 F 250 Extended Cab that has no power at the Pumps. Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 20 If your not getting 12v to the inertia switch on either wire then you're not getting power from the fuel pump relay. Isn't that supposed to be in the down position and pop up when activating or do I have it wrong. i tested the eec ground pin 40 and 60 is giving off 8 Electrical - 1992 fuel pump won't shut off - Ok guys I bought this truck last weekend. 73,147 Views. Come join the discussion about performance, builds, modifications 1978 - 1996 Big Bronco - 95 Bronco is there a fuel pump relay or shut off on this? - Hey Y'all I just purchased a 1995 full size bronco with a 351 in it for my son. 1987 - 1996 F150 & Larger F-Series Trucks - Fuel Shut Off (Inertia) Switch Tripped? - Yesterday morning my truck wouldn't start. 0L fuel pump relay is integral to the CJB (Central Junction Box), and not serviceable, the repair is not a simple relay swap. Another symptom of a problematic fuel pump shut off switch is a switch that So irrespective of the key position the fuel pump won’t shut off, so look for false ground between ECM and relay and fix it off. In order to properly reset the switch and get your car running again, you will need to follow some basic steps. 4 KB Views: 8,077. blew out. View 1983 - 2012 Ranger & B-Series - 87 2. December 20, 2010. Locate the fuel pump relay and remove it from the panel. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright If your engine dies or stalls intermittently, especially when you put it in gear, the problem could be your fuel pump relay. Ford F-150 / F-Series Generations. cheap to try. 1948 - 1956 F1, F100 & Larger F-Series Trucks - Crash Relay on the Electric Fuel Pump: what works? - Ron Francis sells a crash relay to shut off the electric fuel pump, but like most things they sell it's gold plated, plus I'm a little torqued at them right now anyway but that's a different story. I believe it's located in the trunk on the left side through an access hole. This is my first post, although I've been browsing and searching this great forum for some time. Independent Shop Experience, 2 The fuel pump shut off switch is located on the left side of the trunk behind the left rear tail light and trunk liner. 155 Likes. The total labor cost for the replacement of the fuel pump relay is between $25 and $120. It is a good idea to replace bot the eec power and the fuel pump relay together. 9 miles on it when it wouldn't start and Raceway Ford replaced the fuel pump. 11. Each wire has a specific job to do and these are their circuit descriptions: IMPORTANT: Your specific Ford vehicle may not have the exact same colors listed below. 9L 12V with Fuel Shutoff Solenoid issues. I can not find any documenation as to where the fuel pump relay is. Looking for recent topics? Fuel Pump Shut Off. If so you will know the fuel & EEC power relays electrical circuit is OK. I've been having electrical problems with the starter and relay. Open the front passenger door and In this video, I show how a fuel pump relay works and how to bypass yours. part 2 https://youtu. 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines Checked and bypassed the emergency fuel shutoff in the right kick panel. The other wire that split off before the temp switch also runs to the injection pump to the fuel shut off solenoid. They are entirely dependant on the fuel pump relay to provide them with power or remove their power. 2017. The fuel pump relay is usually controlled by the ignition or Powertrain FORD MUSTANG FUEL PUMP RELAY LOCATION REPLACEMENT 2015 2016 2017 2018 2019 2020 2021 2022 2023If you need to replace Fuel Pump Relay on Ford Mustang or want The fuel pumps do not shut off even with the ignition switch in the off position. The function of the automatic shutdown (ASD) relay, is to shut off power to major systems. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. READ MORE. ↓ Skip to Main Content. I turned the key ON and still Should your vehicle shut off after a crash, you may restart your vehicle: Switch off the ignition. 1999 to 2016 Super Duty - Location of fuel pump relay? 2001 F450 - Couldn't find any info in the manual on it's location. It this article you will find everything you need to know. 2004 f150 stx: 4x4. Top Ford Experts Marvin . Asked by mickie2bluiz in Great Bend, KS on . The energizing of the Fuel Pump Relay is controlled by the PCM. The feature disables the flow 2004 F-350 Fuel Pump Relay. 6. I know it is the right relay because the fuel pump shut off when the relay was pulled. Fuel pumps themselves don’t know when to shut off. We recommend checking your trusted repair manual or repair Where is the fuel pump relay 86 ford bronco - Answered by a verified Ford Mechanic. Splice into that to run a relay for the pump and FSS. When you shut off the ignition, the fuel pump relay is engaged again, long enough to power down and shut off the fuel pump. 8l) - 1999 Fuel Pump Relay and Inertia Switch Location - I have recently pulled my 1999 Ford F-250 XLT V10 6. You likely found this website because your dealer wants to change your fuel pump ($600+) or TIPM ($1500+). $10. 1991 GT: Trick Flow Track Heat Heads, Trick Flow Stage 1 cam, Ported GT40 Intake, 1. I shot the FPR plug for power (the pin that receives power from the EEC Power Relay) and it is receiving 12 volts. I changed the oil, radiator fluid, and battery as well as adding 5 gallons of fresh fuel w/a stabilizer. Dan. 220. 0 diesel 120,000 miles, only modification is egr delete, i had a loss of power, pulled over truck died, replaced both fuel filters, found pump was not running, checked and had power to pump plug, replaced fuel pump, now no power to fuel pump, have power to fuse (40 i think) have power to inertia switch both sides, but no Fuel pump will not shut off - Turn switch on and fuel pump runs for a few seconds. How do I proceed? Part 1 -How to Test the Ford Fuel Pump Relay (Green Relay) Part 1 -Testing the Ford EEC Power Relay (Brown Relay) Overview; "The inertia fuel shutoff switch is a safety device which interrupts fuel pump power in the event of a collision. If vehicle does not start, Whenever you turn on the ignition of your vehicle, the fuel pump relay is turned on. it does NOT need any configuration after installation. Play attention to how the relay comes out as the new one needs to go in the same way. In the Explorers it's under the dash on the firewall, just If you hit something and the engine dies then the fuel pumps will turn off in one second. The first thing You should do is go to the passenger side of Your vehicle, and get inside. because most emc's switch ground on and off and not the 12 volt supply wire. If you don't hear that, then you have a fuel delivery problem. 0. How To Section . Fuel Pump: 9 Things You Need To Pay Attention 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks 1987 Fuel Pump relay. 3L IDI & 6. 8. 7. I tried to restart and it Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) in your 1997 thru 2002 Ford Expedition! If you're having issues with your vehicl The information contained in this publication was correct at the time of release. "Hold" wire, truck side is small light green with a black stripe, FSS side is normal sized Red wire, the Hold coil (an electromagnet) gets power when the key is in the run The next morning, I hitched a ride with my neighbor and installed direct power to the fuel pump from a spare battery through a spare fuel pump connector that I had. 9L) - Hooking up fuel shutoff solenoid - The previous owner, in addition to hooking up a manual button for the glow plugs, also hooked up a toggle switch which controls the fuel shutoff solenoid. When I crank it over I have power at the fuel pump relay which is located by the Once the engine is running, the fuel pump relay shuts off. 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks Where is fuel I have a 1997 F350 7. Getting po231 code no start. If the PCM does not have power then neither will the Fuel Pump Relay. - My F800 started okay and drove a couple of miles to get a load of dirt, it sat idling approximately 5 mins waiting to get loaded. be/nSY6EOXBzBA Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, Well the ground going to the ground going to the connector for the relay wasnt grounding and that makes me believe that the ecm/eec whatever you wanna call it is it bad. I'm losing my mind so anything is Opened the fuel bowl and no fuel is coming in when turn truck on to confirm pump is not working. Jump to Latest -2010 Ford F-250 4×4 w/ 180hp P-pump Cummins 12 valve, 5r110 auto, the usual stuff with an SXE 363. Hopefully one of the fuses will be burnt out an o. Oil pressure will be zero so the oil pressure switch will also be open circuit again. 10 posts • Page 1 of 1. May you need to remove the lower scuff plate to access the switch. 2. If Your fuel pump is not working the best thing that You can do to reset it is It only activates fuel pump relay for 2 seconds if RPMs are under 400 So key ON gets 2 seconds of fuel pump power, then it won't be power again until engine gets above 400rpms, or unless you reboot computer, key off and on again If engine should stall while driving, an accident or rollover, then fuel pump is shut off when RPMs drop Learn how to locate the Fuel Pump Fuse and Fuel Pump Relay on your 2015, 2016, and 2017 Ford F-150! If you're having issues with your vehicle not starting, t 1987 - 1996 F150 & Larger F-Series Trucks - fuel pump shut off switch - hey all i'm new here. 2004 F-250 4x4 6. When the key is turned off, as a safety feature. Read full answer. It's made to shut off the fuel when the car is flipped. The switch is designed to trip and cut power to the fuel pump in the event of a collision, but you can also trigger it by hitting a large bump or pothole as well. Cut the brown wire and hook it up to a keyed positive wire ( a wire that's hot when key is on ). 5V at the relay, at the inertia switch and at the fuel pump itself, so it is consistent at all locations and the fuel pump doesn't run. 3 liter power stroke turbo diesel. It may have been tripped, cutting power to the fuel pump. 6 Rockers, 24 lb. When I turn the key I get 12v on both terminals on the signal/activation side (fuel pump side is fine). Anytime the fuel pump stays running with the key on it's either a stuck fuel pump relay Emergency Shut Off You Should Check Your Emergency Fuel Pump Shut Off Switch, Located Just Under The Top Of The Carpet On Passenger Foot Area. " It is a sensor just below the oil pressure sensor between the motor and the firewall (under where the Overview; "The inertia fuel shutoff switch is a safety device which interrupts fuel pump power in the event of a collision. This will cut off the fuel from the pump to make sure that it does not continue to spray and potentially cause a fire. If the truck is not equipped with a manual switch, the pump will be controlled by a module instead, found near the spare tire. If you’ve been involved in a collision and the engine will turn over but not start, chances are good that the switch has been In addition, the fuel pump relay, is usually controlled by the ignition or powertrain control module (PCM). Skip to content. A forum community dedicated to Ford Mustang owners and enthusiasts. However, when the vehicle encountered an impact strong enough to move the ball away from the magnet, the ball Ford Ranger How To Access All Fuses: https://youtu. Read our note about P0007, other related codes and the fuel shutoff solenoid. The common contact of the fuel pump relay is fed from a fuse link by the starter solenoid. Normally the fuel pump relay operates during starting and when Location of the Fuel Pump Relay on a Ford F350 The fuel pump relay on a Ford F350 can be located in different areas depending on the model year and engine type. F150 Expedition No Start P1233 Fuel Pump Driver Module How to test an electric fuel pump no fuel psi testing Ford Battery junction box , under hood ! Fuse # F13 20amp. Good luck Background This procedure was written for a 2000 Explorer Sport with SOHC V6. the fuel pumps run constant when the key is 1978 - 1996 Big Bronco - Fuel Pump Keeps Going in Run Position - I'm having an intermittent problem with a fuel pump that doesn't shut off when I turn the ignition switch to RUN. Thread Tools 1987 Fuel Pump relay. Checked the fuse for the pump first which was fine but couldn't hear the pump so took a gamble and replaced the fuel pump relay which solved the problem. Question type: Maintenance & Repair 74,000 Report; OJ answered 8 years ago Suspect the fuel pump relay. Thread Tools Another thing to check is the "Low Engine Oil Fuel Shut Off. 23 years with Ford specializing in drivability and electrical and AC. 1999 to 2016 Super Duty. The fuel pump shut-off (inertia) switch is a device that stops the fuel pump of the fuel delivery to the engine. The fuel pump relay is controlled by the PCM by Check your fuel pump shut off switch on passenger side of cab. It is often found in the fuse box located in the engine bay and functions as the primary electronic switch that controls power to the fuel pump. You do not have any fuses in the fuel pump circuits. "Ground" wire, truck side is black with a orange stripe, FSS side is all black, it is connected to ground all the time. 2006 Ford F-150. The fuel shutoff solenoid is not closing when turning the ignition off. The fuel pump shut-off switch is an important safety feature on Ford, Chevy, GMC, Peugeot, VW, BMW, Mercedes-Benz, Citroen, Vauxhall, Subaru, Renault, and Toyota vehicles. It turns the fuel pump relay on or off under computer control. The other day he turned it off and it would not start again, so using the old search function we found the fuel pump relay module was probably the culprit. I suspect a short in the FP relay's ground wire between the relay and the EEC. I have a 1995 Econoline 350 motorhome with low mileage (24,000) 460 injected motor. All signs point to fuel pump? Before you take it to your mechanic check to see if there is a Fuel Pump Relay Cutoff Switch. Key on engine off symptoms are cel flickering quickly to the beat of the fuel pump relay, or fuel pump relay just stays on or a combination of both repeatedly dont laugh but sometime opening the driver door activates or deactivates the symptoms Fuel shutoff solenoid/relay. Mar 06, 2022 • 1998 Ford Ranger. May you need to remove the lower scuff plate to access the switch Hopefully, the article of Ford Falcon FG Fuel Pump Relay Switch Inertia Reset Location useful for you. I've replaced the FP relay, the EEC relay, check all my grounds, checked power etc. To find the exact location of the fuel pump relay on your Ford E-350, you can consult your owner’s manual. 1983 - 2012 Ranger & B-Series - 2004 Ranger Fuel Pump Shut Off Switch Problems - Hello, Has anyone had a problem with the fuel pump shut off switch in their ranger? I have a 2004 extra cab 4. Ford F150 Forum. Bracket Included: 1999 to 2016 Super Duty - 2004 f250 fuel pump relay repair - I had typed up a long well thought out first post but android crashed and I lost it. The fuel pump relay is an electronic component that is found on virtually all vehicles equipped with an internal combustion engine. Hopefully, the article of Ford Territory Fuel Pump Relay Inertia Switch Reset Location useful for you. Do any of these shut off the fuel supply, like some type of fuel shut off solenoid that can block the fuel line? Any and all ideas would be appreciated, I do not have a manual and I really need to get this engine started. 4 bolts and some quick release electrical plugs on the back and side. The switched power (red wire) from the ECC relay goes to the relay coil and then from the relay coil to the computer (light blue\orange wire). Whenever this happens, the engine won't start, either. Get owner manuals, warranties & how-to videos. At the switch, cut the yellow wire. 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck 1985 F350 Fuel cut off switch issues. The only way I can get the engine to start is to hotwire the red and yellow wire from the fuel pump relay directly to the battery. fuel filter, fuel pump and fuel relay. This can be a dangerous 2. 1999 to 2016 Super Duty - Fuel Pump Relay: 2001 F250 V10 - The truck turns over strong but will not start. 20% off orders over $100* + Free Ground Shipping** Eligible Ship-To-Home Items Only. And then it will not . pdf. -2005 Ford Excursion 4×4, w/ 215hp P-pump Cummins 12 valve, NV4500, colt cams stage three cam, . For less than half 6. warms. The fuel pump relay is right next to the EEC relay in the diagram shown below. It has been sitting for a week or so and in the mean time there must be a short in Ford expidition quit running randomly cuts off fuel pump quit. So I bought one but cant locate where it is located. 2021 Dec 7. Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, Testing the Ford fuel pump relay on the car is not hard to do. On the 2008-2010 Ford F-350/F-450, This switch is located on the passenger’s side of the instrument panel. 1989 ford f250 dual fuel tank problem. It has what is called an inertia switch which will be activated if there is ever an accident. Any sudden impact that causes rapid Relay 007: 1/2 ISO: Fuel pump: My 2002 T-Bird had 77512. Unplug the relay and the large EEC connector (10mm bolt in the center) and test the Safety shut-off relay 12 Volts 127 025 000R available from stock. Customer: WHERE IS THE FUEL PUMP RELAY LOCATED ON MY 1999 FORD F-250 SUPER DUTY WITH A 5. This is no big deal, since the circuit descriptions are the same. When you turn on the ignition the fuel pump will run continuously and not shut off. Ford Forum is a community to discuss all things Ford. Switch that trips for no reason. 1987 - 1996 F150 & Larger F-Series Trucks - Where is fuel pump relay 88 F150 4x4 - Hello I have a 1988 Ford F150 and the shop told me to replace my fuel pump relay. I push it down and it won't stay, comes right back up. jpg. I have a 1990 Ford F250. No lines are coming into it, so it's not On the 2016 Ford Falcon FG, the fuel pump shut-off switch is located in the front passenger outboard footwell. where is exact location of fuel pump shut off switch? Also, dies. A fuel pump relay will typically fail in the The fuel pump relay semes to work just fine, but the signal to it is funky. With the fuel pump relay in place I measure ~6. Help me please :dunno: 01 f250 xlt sc 7. I am going to replace the switch and noticed that the 1 - 24 of 396 results for Fuel Pump Relay Compare Filter/Refine. 95). Looked like pump had 12v but it was no amperage of any kind. 2007 Dodge Ram 1500 Fuel Pump Relay Location. 9 fuel pump wont shut off - I got all my wiring repaired and replaced both the intank pump and the high pressure pump, for a few days it would fire right up as soon as you hit the key but it had a miss (the pumps shut off after a second or two with the key on RUN ). Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, and 20 If the fuel pump shut off switch malfunctions while the engine is operating it may shut off the fuel pump and cause the engine to stall. If someone does happen to break in and hot-wire it, at least they won't get far. On occasion it will shut off with the keyed ignition, however most times I shut it off manually at the pump. That is what I did on mine. i've got a 94 f-150 and have a question. The problem is the pumps run continually even with the ignition shut off; to stop them I am unhooking the battery. Come Ground pin #6 of your EEC self-test (DLC/VIP) connector with the key on and the fuel pumps should run. 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks Fuel pump relay 1994 F350 location. be/UhgkGXLSkl0Car won’t start, things to check https://youtu. If your engine cranks but does not start, this switch may have Simple steps to reset fuel pump shut off switch on any car (FAST). 7 ford no start fuel pump bypass, f350, Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Fuel PUmp Relay The relay itself is part of the IRCM (integrated relay control module) which is under the dash somewhere I believe Something else you should look at though is the fuel pump cutoff switch behind the carpeting on the driver's side of the inner trunk. To isolate the fuel pump relay from other probable issue areas like ECM and wiring harness, this test can be performed to confirm a standalone issue in the fuel pump relay. I can't seem to find any info about the wiring system in regards to the fuel system. Home; Industry Knowledge; and the most likely Maybe troubleshoot your pump,fuel pressurized and return lines and filters? Might be wrong but it's usually back to the basics on almost anything in the 80's the electronic mess didn't really start until 92 at the earliest but most were mid to late 90's. 2016 at 04:25 PM about the 1989 Ford F-150 S Standard Cab 4WD SB. which will also shut off the fuel pump. 0L Power Stroke Diesel - FUEL SHUT OFF SWITCH - My fuel shut off switch (2005 F350 SD FX4 ) in the passenger side kick panel is up. The relay is soldered into a circut board in the back of the fuse panel. Use Code: 2024SEPT Check fuel reset switch as noted above (by spare tire) also check fuel pump fuse, then swap the horn relay with the fuel pump relay. diesel, f350, **PARTS LIST IN DESCRIPTION BELOW**In this video, I show how I wired an inertia switch and fuel pump relay into an electric fuel pump circuit. Get it as soon as Friday, Sep 13. 9 v6 FI when iturn the key over my fuel pump wont shut off at all, when I switch to the next 1 it does the same thing, I am getting 57-58 psi at the rail, I changed the pump relay and it seemed to help the noise but did not solve problem Will the fuel pumps Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, How Do You Reset a Ford Fuel Pump Shut off Switch? If your Ford vehicle has an in-line fuel pump shut off switch, resetting it can be a time consuming task. The most common sign of a bad fuel pump relay is an engine that cranks but doesn’t start. Step 9: Remove the fuel pump relay from the fuse box. W. The average replacement cost of the fuel pump relay is between $45 and $165. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. On the side of the relay panel, there is a diagram that shows which relays control which systems. I seem to remember it was in the What is a fuel pump cutoff switch? The early switches contained a gold plated steel ball that’s held in place by a magnet. And others can be a bad fuel pump fuse, fuel pump relay, fuel pump driver module, and the fuel pump. Had an issue a couple days ago where it would not start, could not hear the fuel pump either. The control circuit is supplied from the start/crank signal circuit, thus while cranking, the fuel pump is turned on. The computer may then not provide the engine with the 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Fuel pump relay/fuse - Anyone know the location of a fuse or relay for a 1983 F-250 4x4 with a 460 for the in tank fuel pump? I put all new tank Ford F150 not starting? Problems with fuel pump? In this video I am showing fuel pump fuse and relay location ( 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | XL 1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including Im pretty sure it would always run for a couple seconds before and then shut off, but now it just keeps running until I shut the key off. Large Truck - 1997 F800 with 5. 10:1 lariat 8800 gvwr Diagnosed random stalling issues as bad fuel Using a 2000 Mercury Grand Marquis i show you the location of the Fuel Pump Relay. 020 over w/Mahle pistons, SXE 362 and the usual stuff. Ron. You can find it in any regular auto store for $20 to $50. it has a str8 6 engine then check the fuel pump relay under the hood FORD F150 FUEL PUMP RELAY LOCATION REPLACEMENT F 150 NOT STARTING FUEL PUMP RELAY 2015 2016 2017If you need to find the fuel pump relay on Ford F-150 The fuel pump relay, located deep inside the TIPM, is the most common relay to fail since it's powered on 100% of the time while driving. if i just connect 12 volt from fuel pump harness and ground from the car Ford fuel cut off switch (inertia switch) Part 1. Step 8: Using the diagram on the fuse box cover, locate the fuel pump relay. OK, so far you have confirmed that the fuel pump relay on your Ford car or pickup is getting power on wires labeled with the Ford Escape: Fuel pump shut-off switch. The safety shut off is down but no power in any of - Ford F-250 question. awhile. 2015 - 2020 Ford F150 - Fuel pump shut-off - Anyone know where the fuel pump shut-off is located on a 2018 XLT? I'm thinking of installing a vehicle immobilizer switch to shut off the fuel pump. Replacement of the pump relay is a How to bypass a bad fuel pump relay on Ford ranger, MOUNTAINEER, EXPLORER. I checked it and found maybe the fuel pump shut-off switch closed. In this article, I will discuss the symptoms to look for if your Fuel pump won't shut off, relay chattering. I am told it is either the fuel pump, pump fuse or Pump Relay. 4. I was told that it is probally the relay. Electrical Systems/Wiring - Fuel pump won't shut off - Really need some help. I use a 4 pin For the electric fuel pump application, the relay-actuating switch will be a common three-prong oil-pressure switch that screws into a 1/8-27 NPT oil pressure port on the engine. As a result, any faults with it, can cause fuel pump issues. Certain year/model configurations have the fuel pump relay mounted behind the radio, down and to the left, next to the turn I initially thought this was an issue with a bad ground and was afraid that this would either take me forever to find the problem or shell out a ton of cash Where is the Fuel Pump Shutoff Relay located on a 1999 Ford F-150?? Mechanic's Assistant chat. In Stock. To reset your Ford's inertia How Do You Check the Fuel Pump Relay on a Ford F150? To check the fuel pump relay on a Ford F-150, first locate the relay panel under the hood. 10. (Visited 2,285 times, 1 visits today) Post navigation. The IFSO switch is supposed to cut fuel in the event of a sharp impact (like an collision) but it can sometimes cause intermittent starting problems or stalling. There is also a Fuel Pump shut-off switch located in truck. Next. 9 L. Turn the flashers on and follow the clicking sound, the FP relay is alongside the flasher relay. Terminal Type: Blade. 2003 blower will not shut off using the off button Allyn 1999 to 2016 Super Duty - Fuel Pump Relay Location - I am looking for the location of the fuel pump relay for my 1999 Ford F550 V10 4WD Gas truck. I hav 89 ford f150 5. our grand marquis was running the pump with key off and that was the problem. However, it's best to check with your vehicle's repair manual fo In this video, I try to explain how to diagnose and troubleshoot a malfunctioning electric fuel shutoff for a viewer. When the key is turned the pump gets juice and 2 seconds later is not getting juice. (they are both the same type relay) Use owners manual to locate relays under the hood by the battery. 26. 11 $ 10. After an accident, if the engine cranks but does not start, this switch may have been 2009 - 2014 F150 - 2014 f150 fuel pump relay moduel - My dad has a 2014 f150 with the 5. 6l v8 shut off while going down road. Didn't Have The Extra $50. I'm pretty sure mine has an inertia operated Emergency Fuel shutoff switch. I'll try the crank sensor if I can locate it. Browse Categories Answer Questions 1999 Ford Ranger Fuel Pump Relay, Fuel Pump Fuse & Starter Fuse Location - YouTube. This switch interrupts the fuel pump power circuit when it detects a high-G-force incident (such as a collision). So, when the automatic shutdown (ASD) relay is on. Watch as the owner of the vehicle demonstrates the process step by Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 1996 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, a Modular V10 (6. Ford certs and ASE Certs I would first check the relay and fuse, of course this is after you have already listened for the pump to come on after you turen the kley to on it will come on for a few seconds. It goes through the C124 connector and is wired through the inertial shut off switch. We jump the system, to remove the module and the truck fired right On the 2000-2007 Ford F-350/F-450, The fuel pump shut-off switch is located in the passenger’s footwell, by the kick panel. Well The power to the HP frame pump and the selector switch comes from the the Inertia fuel shut-off switch by the parking brake control on the safety wall. 2001 Ford F250 Super Duty Super Cab. No power at the fuel pump though. Car Trouble? ⚙️🚗 Discover 3 Simple Steps to find and Reset Fuel Cut Off Switch - Get Back on the Road Fast! I will also explain how to find and reset fuel shut off switch on GMC, Ford, Peugeot, VW golf, Citroen, Vauxhall, Subaru, Renault, Dacia, Mazda, and many Note: Because other problems can present the same symptoms as a bad fuel pump relay, you’ll want to perform a thorough diagnosis of the vehicle before replacing any parts. Your car may have a fuel pump shut-off switch. Part #: 2DR1037 Line: MPI. 51. Inertia switch, or fuel pump cutoff switch failures are rare, tripping them takes a hard hit or roll over so I would check elsewhere first. This goes dead when the start switch is released and the ignition switch "run" position takes over. , C433) are the actual Ford connector designations, as far as I know. Push The Reset Button. Seems to be a lack of fuel. When the fuel pump relay fuse is faulty, your car’s engine may shut off or struggle to maintain power. Schedule service & find tires or coupons. The yellow wire is getting power Order Ford F150 Fuel Pump Relay online today. Free Same Day Store Pickup. how fuel pump relay works explains the computer how it works for the control side and the load side to control the pump, How to test and replace a fuel pump relay. A forum community dedicated to Ford F-series owners and enthusiasts with On an 01 Super Duty, the fuel pump relay is located in the "instrument panel relay block" which is located behind the dash, roughly above and slightly inboard of the gas pedal. Joined Apr 18, 2011 The fuel pump relay or fuse will be located under the hood in the High Current fuse panel. Three things to look at are the PCM Power Relay, the Fuel Pump Relay and the Inertia Fuel Shut-Off Switch. 3 srw sb black, built 4r100 w/ transgo, cold air, 4 guages, warn hubs, ITP overboost, muffler/cat delete, ccv reroute, ss HPX line, gtp38r w/ high flow outlet, non ebpv pedistal, tw chip 1987 - 1996 F150 & Larger F-Series Trucks - ford f-150 fuel shut off switch location - i need some help, my 1988 ford f-150 is apparently equipped with a fuel shut off switch on it. However, two days later same problem again, shop didn't have a relay in 2003 Ford Explorer Sport Trac Inertia Shutoff Fuel Pump System Troubleshooting Visuals Relay Fuse ⛽️I was Always Having Encounters With The Fuel And Inertia You will see the self-test connector and one of the slots labelled "fuel pump". 2004 F-350 Dash Panel Wiring. Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 2007, 2008, 2009, 2010, 2011, 2012, 2013, and 2014 Ford Expedition! This I have a 1995 Ford NH 3930 MFWD. 2008. after it stalled it would not start 1987 - 1996 F150 & Larger F-Series Trucks - Fuel Shut-off switch Location - My 93 E250 econoline engine doesn't work today. The fuel pump works. Check under the vehicle for leaking fuel; 3. Please help. I've been having this issue for quite some time. Since the 6. TEST 3: Jumpering The Fuel Pump Circuit. The connector references (e. - Plugged EEC back in, removed Fuel Pump Relay, left EEC Power Relay in. If the vehicle starts, let it run for a few seconds, then turn the key to the LOCK position; 5. Site Announcements; New Member Introductions; Ride Of The Week; User Gallery & Picture Display; Newer Light Duty The mechanic should also take this opportunity to replace the fuel filter if it is not a part of the fuel pump. but i dont know where its at! and now my truck wont start, somebody please help me. Relay 303 is Fuel Pump shut off but that relay doesn't exist. This avoids a risk of overheating of the pump. can anyone help? Explorer, Sport Trac, Mountaineer & Aviator - help!!! fuel pump wont turn off - my fuel pump will not shut off after i have shut off the ignition any help would be great. 1997 Ford F53 no power from Fuel Pump Relay. If you do not see or smell fuel, push the red reset button on the fuel pump shut-off switch down; 4. 2006. The switch to re-engage the pump may be located under the driver's dash, indicated by a red arrow. Turned key to run. If you h Fuel Pump Shut-Off Switch Reset Location on Ford Falcon AU - Ford Cars & Trucks question. This repair AVOIDS the need to Also, make sure that the wire on the bottom of it is firmly attached. Anybody can help me locate of the fuel pump. so what we did was splice the wire ad a ground and now that makes the pump stay on and 2019-Present Ford Ranger Technical Service Bulletins; Ranger Tech (’83-’11) Ranger Buyers Guide (1983-2011) Its purpose is to shut off the fuel pump(s) in case of an accident, thus preventing fuel from being The inertia switch or fuel pump shut-off switch on Ford vehicles is a device designed to cut the power to the electric fuel pump in fuel injection systems in the event of a crash. It’s designed to activate during certain situations, such as during an accident. Fairly common problem, and it's a cheap and easy fix. k. Control Path The control path consists of the computer, and the fuel pump relay coil. . Let me know if you need more help. The Ford fuel pump relay has 4 wires that connect to it. Back to Subforum. 4L. This is also known as the fuel inertia switch. I've tested fuel shut off and other fuel pump fuses. Befrore we even got home with it the front seal in the trans. The computer grounds the other side of the coil to make the fuel pump run. custom_car_man87 Senior Member Posts: 699 Joined: Mon Oct 01, 2007 11:28 relay or circuit breaker for the Modular V10 (6. The fuel pump relay is in same box . I just bought this truck and the previous owner manualy wired the fuel pump through a Warning! Do not reset the fuel system shut-off switch if you see or smell fuel from the fuel system. If the inertia fuel shutoff switch is ‘‘tripped’’ it must be reset by depressing the button on top of the switch" location described is for other years Source: by Ford motorcraftservice Fuel Pump Relay Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) in your 2003 thru 2006 Ford Expedition! If you're having issues with your vehicl 1997 - 2003 Ford F150 - Fuel relay failure - Truck had been running fine then wouldn't start. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 1990 Ford F250: the fuel pump relay, and the fuel pump. g. What are the symptoms of a Bad Fuel Pump Relay, how to test for a failed one and the cost. While held by the magnet, the ball touched electrical contacts and maintained power to the fuel pump. me/nickthecarguy Ford still cannot scan it because engine light won't stay on and hold a code. P0007 is very rare. i hit a speed bump, and engine completely shut down, did some research found out about 90% people said it was probably do to this auto shut off switch. Thanks for your helping me this. 0L 1999 to 2016 Super Duty - Fuel pump relay location - I am trying to diagnose my fuel system, but I cant seem to find the fuel pump relay. If the light does glow--look for a bad connection in the fuel pump circuit, possibly a bad relay or relay socket. I would find the fuel pump relay and change it . It would be highly appreciated if anybody would tell me where is the fuel pump 1987 - 1996 F150 & Larger F-Series Trucks - Fuel pump relay 1994 F350 location - Haynes book refers to fuel pump relay for my problem, but I can't locate it. Here are a few possible locations based on the search results: 1. This switch turns off the pump that sends gasoline from the fuel tank to the engine. Bad inertia fuel shut-off safety switch; Bad fuel pump; Conclusion. In the interest of continuous development, we reserve the right to change specifications, design or equipment at any time without notice or obligation. There are two, one for each tank. 0 v8. I know this only because I've been 1999 to 2016 Super Duty - Fuel Pump Relay F250 5. if your truck is one of the 2009 to 2014 models (7th generation), you should know that many reports of Ford F150 fuel pump fuse 27 keep melting out. If I change the transmission fluid could possibly fix the problem; A common reason is the tripped inertia fuel shutoff switch. If you have a 2002 Ford Windstar and want to know how to locate and replace the fuel pump relay and fuse, this video is for you. It was in the trunk on the drivers side,, I see a RED button on top and it doesn't push in or do anything. On a '90, the fuel pump relay is specific, and TOTALLY different from the horn relay (which is under the dash attached to the cruise module). Thread starter rvanbeers; Start Relay 203 (PCM) #32, 33,34 is the Fuel Pump Relay, PCM and sensors. There are 3 wires going to the FSS, Ground, Hold and Pull. Beep sound Test. The manual indicates the following relays are located 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Fuel pump relay wiring - I have a problem somewhere, but have been unable to figure it out yet. I am changing this relay to address a problem with the engine with startin A couple days ago the "fuel pump staying on after I shut off the truck" problem came back, and now it stays on for a really long time. 73's, Eibach Springs, Hotchkis Control Arms, FRPP Alumuinum D/S 2007 GT California Special: Steeda axle-back, K&N cold air The code P0007 indicates a potential problem with the shutoff solenoid or its electrical circuit. injectors, 190 LPH Fuel Pump, BBK 70mm TB, BBK Headers, Off-road H, Flowmasters, 3. This tutorial is based on the Ford owner’s manual. Save Share Like. Learn about the fuel pump relay fuse, its importance in the fuel system, signs of a faulty fuse, common causes of failure, testing and troubleshooting methods, how to replace it, and preventive maintenance tips. And there is one more branch that runs to the fuel heater connection located on top of the fuel filter header. ran good. 2001-2012 Ford Escape Fuel Pump Inertia Switch Reset Location – The Escape is a compact SUV produced by Ford since 2000. Come back tonight intending to pull code. Mine Was Bad. Do you know what a relay is ? 1987 - 1996 F150 & Larger F-Series Trucks - Bypass the fuel relay switch - 4. fuel pump - Answered by a verified Ford Mechanic 2004 ford f150 pinched the positive in the right window power motor, yes fixing it my self and put in new fuel pump and fuel pump module and relay and kill switch still no fire There's no relay at the fuel pump. Have you checked the fuel pump shut off switch? From the owners manual: 2001, 2006, 250, 60, 98, diesel, eec, f250, f450, ford, fuel, location, power, pump, relay. Switch on the ignition to re-enable the fuel pump. My car is 2003 Ford Crown Victoria, I did check the relay, fuse and they are good. it Ford Expedition not starting? In this video I will show you the fuel pump fuses and fuel pump relay location. Check out our discussions on the Ford Escape, Car turns over won't start. So here is the abridged rum and coke version: 2004 California spec :'( F250 crew shortbed 4x4 5. The principles shown here apply to most vehicles. If you ground this port with a short piece of wire with the key in run, the fuel pump should run. Okay. where is the fuel pump shut off switch and how do i reset it? my truck stalled out yesterday and i have tracked the problem down to this, i think. Well it sounded easy but I can not find were it goes. Dorman 645-920 Fuel Pump Inertia Shutoff Pigtail Compatible with Select Ford / Lincoln / Mercury Models. Engine Cranks But Doesn’t Start . Read support articles on Fuel Pump and filter replacement https://youtu. Twice, after this happened, I've removed the negative battery cable overnight, and As the owner of the 2014 Ford Escape, You may be having difficulty locating the fuel shut off switch for Your vehicle. Check out free battery charging and engine diagnostic testing while you are in store. Fuel Pump Relay Replacement Cost. I have replaced the fuel filter and fuel pump. It helps to prevent fuel system damage in the event of a collision or other hazardous situation. 7. Jan 5, 2013 #5 Thermo technical advisor. 1991 ford explorer sport, 4. The site for Ford truck owners, by Ford truck owners. The fuel pump relay itself is pretty cheap. . In Europe, it was sold as the Ford Maverick. My truck did the same thing when I hit the fuel pump shutoff after soundproofing. be/JvgKGJjAwU0 Ford Truck Enthusiasts Site Navigation. If your Ford ever fails to start or stalls on you suddenly, the first thing to check is the inertia fuel shut-off switch. You'll be able to find out if the fuel pump relay, or the fuel pump inertia OK I found the shut off reset. No part of this publication may be reproduced, transmitted, stored in a retrieval system or translated into any language in The are two main components that make most fuel pumps run: the PCM (Powertrain Control Module) and the fuel pump relay. Then cuts off. 6 people found this helpful. you have to replace the entire CJB. The red wire goes to the power relay, tan wire with a green stripe to the The fuel solenoid works the lever on the side of the injection pump. I keep a spare fuel pump relay in the glovebox (along with coil & coil If you find this video helpful feel free to donate at paypal. 00, So I Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2004 - 2008 F150 - Fuel Pump Shut Off- needs reset - i have a 2005 f150. (Jumping it the pump works fine). Need wire diagram - The fuse is good as long as im looking at the right one, and the fuel shut off switch apears to be working. 8l) - 2000 F250SD Fuel Pump relay location - Hi guys, having an intermittent starting problem with my F-250 Turn ignition on, I can hear fuel pump relay click on and off Sometimes I hear the fuel pump pressure up the lines, sometimes I don't but the relay sound is consistent I want to check the I have a 91 GT and the fuel pump wont shut off. There are some wires at the injector pump, and right at the end of the throttle cable. This video will show you how to bypass any relay to make the system work. it seems that the relay can be mounted anywhere from behind the radio or in the engine compartment as well as built in to the fuel pump won't shut off I changed out the relay ($12. If the inertia fuel shutoff switch is ‘‘tripped’’ it must be reset by depressing the button 2000 ford ranger fuel pump shut off switch - Ford 2000 Ranger SuperCab question. Non serviceable and built into the central junction box as ford says. Eventually decided to fire up and run perfectly a few hours later. Browse Categories Answer Questions Where is the turn signal flasher relay located on. Attempt to start the vehicle. still learning anyway changed out the ecu monday. All Pick Up in Store Ship to Home Sort By: Compare. the fuel pump relay switch is inside the central junction box (under-dash fuse panel) and is not serviceable. Fuel Shut Off Help. If you have a owners manual it's listed under Fuses or Relays. Check under the vehicle again for leaking fuel. Hope you enjoy it! The 2011 Ford F-150's fuel pump is primed to shut off in the event of a collision. The switch was located in the trunk in early designs, Can someone describe and/or post a picture of where exactly the Fuel Pumps Relay/Fuse is located? I am not good with diagrams at all and can't figure it Here's how to safely wire-up an electric fuel pump using a common 40-amp ISO NO/NC (normally open/normally closed) relay (for minimal voltage drop) and an oil as soon as i unplug ground from relay it shuts off and plug ground back into relay it stays off. webbs90stangs Discussion starter 2 posts · Ford E350 E250 E150 Fuel Inertia Switch Location - This procedure works on a 2000-2014 Ford E-350/ E-250/ E-150 that uses Petrol engine. i check the manuel, know i am searching in right spot but still cant find it. 8 KB Views: 1,178. disconnect the battery before doing any of this. skip to main content. I bought my '90 F250 351 All EFI vehicles have a fuel pump cutoff switch, it's called the inertia switch, no big deal, common part. 1 Year Limited Warranty. F150 Forum. When I bought the van there was no manul inside. Not for two seconds either, but continously. Switch off the ignition. Remove the radio to access it. 4 LITER F/I V-8. I used the Dark green/yellow wire that the ranger uses to power up the relay for the fuel pump. Reply Subscribe . The Inertia Location of 1990 Mustang Fuel Pump Relay/Fuse? Fun Ford Weekend, Mustangs of Burlington M O OG Certified Technician For mods and sound clips, see profile and gallery. If they do not run you have a fuse link for the fuel pump relay hooked to the starter relay. At this point, the electricity for the fuel pump is supplied by the oil pressure-sending unit. The solenoid wire remains hot These 10 to 12 Volts are provided by the ignition switch (with the key ON or engine cranking), and if they are missing, the fuel pump relay will not activate the fuel pump. The wiring should be very similar for 1998 thru 2000 models. 1. And I might be off some years but in the 80's they still had a mechanical fuel pump. Fuel relay and fuel shut off switch. 4 - Hi guys, I'm looking for the fuel pump relay on my F250 5. 4 2v 4. There is no part named "Fuel Pump Relay Switch". Attempted to crank and no luck. 0 helpful. be/3F4ALRKkHwk The fuel pump relay on a 1988 Ford E350 is located under the hood on a bracket with another relay. With a positive 12v on both sides the switch obviously won't activate. With the help of this 'How To' tutorial, I'll show you how to do it using only a multimeter. What I did was use a Bosch relay in a fog lamp kit to Learn how to locate and reset the Fuel Pump Shut-Off Switch (Inertia Switch) on your 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, Unfortunately, Ford moved the position of the inertial fuel cutoff switch to several locations over the years. 0 4x4 that has the switch shut off after parking the truck on an incline. Next thing to check would be the fuel pump relay. 2006 ford f350 6. This device stops the electric fuel pump from sending fuel to the engine when your vehicle has had a substantial jolt. Check Out the Latest Top Trucks Report! View all Fixya Reports. Likewise, the component Hi fellow mondeo owners I need some help locating the inertia switch and fuel pump relay on my 2009 modeo titanium TDCI 140 duratorque I've recently had a new fuel pump fitted but it doesn't run so I am now working back ruling out various bits before I remove the tank to inspect the pump I've che Emergency Fuel Shut-Off Switch Location on Other Cars. I didn't hear the fuel pump running (front or rear) when the key was turned on, though I did hear the relay click. 2004 - 2008 Ford F-150. Switch to start position. MasterPro Ignition 20 Amp 3 Terminal Relay - 2DR1037. Be sure to check for water intrusion into the switch, grounding of the terminals and the switch may trip and click when you reset it but still remain open if 1987 - 1996 F150 & Larger F-Series Trucks - No power to fuel pump. The computer provides the ground path to When the key is turned on to the run position the fuel pump relay continuously clicks and the fuel pump runs but will not shut off like it should when its primed. front tank. The out wire goes to the timing advance solenoid and high idle solenoid on the injection pump. Be sure to check for water intrusion into the switch, grounding of the terminals and the switch may Learn about your Ford vehicle on the Ford Owner Support site. The fuel pump relay is next to the eec power relay under the hood behind the air filter housing. 3 people found this helpful Fuel Pump Wiring; Firing Orders; Ford 302HO-351W Firing Order; Ford 260-289-302 Firing Order; Ford 351C 351M 400M Firing Order; Ford FE Firing Order; Turing off the ignition will remove voltage from the relay, and shut off the pump. 8 same problem with fuel pump staying on in key on position. My truck is an 2004 f250 crew cab work truck with 5. Ram 1500 Oil Buy Ford Genuine 5L2Z-9341-A 5L2z9341a Fuel Pump Inertia Safety Cutoff Switch Cut Off OEM: Standard Motor Products RY116T Relay. There are different reasons why the fuel pump relay fails. This procedure works on a 2016 Ford Territory that uses the Petrol engine. Fuel pump is The relay is wired to supply battery voltage to the fuel solenoid when energized. Fuel pump relay is integral in the fuse panel. Anyway, in case it IS the relay Pre-Power Stroke Diesel (7. If Fuel Pump Relay Circuit Descriptions. Reply Like #12 07-09-2012, 12:54 AM is the same. It has three positions, off, run and start. So, a fuel pump is a powerful part and it demands, plenty of current, from the car’s 12-volts power The 2014 Ford F-150 does not have a fuel cut off switch at all. Note: The definition of each code may vary depending on the vehicle manufacturer. The engine runs fine but a few day ago the battery went dead . 1991 Ford F-250 Recall for Fuel System, Gasoline, Storage, Power then flows from the fuel pump relay to the inertial fuel shutoff switch in the trunk area. Ford Escape / Ford Escape Owner's Manual / Roadside Emergencies / Fuel pump shut-off switch. The fuel pump may be reactivated by finding and pressing the reset button for the switch. Now, take a look in the area of the 1987 - 1996 F150 - Fuel pumps wont shut off - 1992 f150 4. I have changed the tank transfer switch, the fuel pump relay, and the fuel pump in the front tank and still have no power to the front pump. The Inertia fuel shut-off switch power comes from the Fuel pump relays NO contacts. Its an easy fix and you will onl Ford F150 Forum. 8L off the shelf as it has been sitting for over a year. 69,00 EUR / each: Safety shut-off relay 12 Volts 127 025 000R available from stock When the ignition is switched on, the relay switches the fuel pump on for about 2 seconds and then shuts it down again. I also show how to rewire your fuel pump for an upgraded fuel system or race car. iqyqvzmkwemoxihhqesuyodfmvaohyhrwlwbgkqgfmrjwpnkgbnix