2024 Gmc sierra fuel pump relay location

I have a 2002 gmc sierra 1500 with a 4.8l vortec. The other day my truck suddenly wasnt getting fuel and wouldnt start. Stopped and thought bout it and 5 minutes later it started. Drove it home 2 hours and then no more start. I changed the fuel pump with one out of a parts truck and nothing.. Long grove farms

The fuel pump draw should be something like 6--7 amps. So a typical multimeter would be adequate unless the pump has excess current draw. The BEST way to check fuel pumps is with a low-amperage probe, connected to an oscilloscope. That way you can check the amperage draw of each individual bar of the fuel pump armature.GMC Sierra (mk5; 2019-2022..) fuses and relays. In this article, you will find fuse box diagrams of GMC Sierra 2019, 2020, 2021, and 2022, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay. See other GMC Sierra:GMC > 2004 > SIERRA 1500 > 5.3L V8 > Electrical-Switch & Relay > Fuel Pump / Circuit Opening Relay. Price: Alternate: No parts for vehicles in selected markets. ... Fits Fuel Pump Relay or 4 TERM; GAS Engine. ULTRA-POWER 1R1056. $3.38: $0.00 + Sold in packs of 1 x 1: $3.38: Alternate: Quantity: Add to Cart. STANDARD MOTOR PRODUCTS ...Hi all, I'm looking to add a kill switch to my truck, and i'd like to target the fuel pump relay's control wire, as from what i've read it should be given power when Key On Engine Off. I am familiar with the fuel pump relay under the hood, but i was hoping there was wiring under the dash or somewhere in the cab that i can access to splice into ...The excess fuel will be sent back to the tank by the fuel pressure regulator. Check the fuel pump fuse to see if it also gets warm/hot. If there is a bad connection or ground somewhere, more amps may be drawn to overcome the added resistance but maybe just enough to not blow the fuse. Toggle signature.Jan 8, 2016 · A faulty relay may allow the vehicle to be restarted a short while later, while a completely failed relay will not. 2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start. If the fuel pump relay fails the fuel pump will be left without power. The engine may still crank when the key is turned ... The 2010 GMC Sierra has 3 different fuse boxes: Instrument Panel Fuse Block diagram. Center Instrument Panel Fuse Block diagram. Underhood Fuse Block diagram. GMC Sierra fuse box diagrams change across years, pick the right year of your vehicle: Instrument Panel Fuse Block. Type.Yes, the VIN code is part of the VIN#. Have him spray carburetor cleaner into the air intake and see if that keeps the engine running. If so, he has a fuel delivery issue. No matter which engine (VIN code) it is, the fuel pump relay is located in or near the main relay/fuse/junction box. The code basically tells us which location in the box it is.The fuel pump for the 2010 Terrain gets power from the chassis control module. The RUN/CRANK relay found in the fuse box under the hood sends power to the chassis control module. To cut power to the fuel pump, you must remove the RUN/CRANK relay. You can locate that by referring to the fuse box diagram located under the fuse box lid or in your ...A faulty relay may allow the vehicle to be restarted a short while later, while a completely failed relay will not. 2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start. If the fuel pump relay fails the fuel pump will be left without power. The engine may still crank when the key is turned ...5.3L GMC Sierra: 1999, 2000. This typical circuit diagram includes the following circuits: fuel pump relay and fuel pump. You can find the fuel pump test procedure here: How To Test The Fuel Pump (1999-2006 V8 Chevrolet Silverado, GMC Sierra). More Chevrolet Silverado (GMC Sierra) Tutorials. You can find a complete list of V8 Chevrolet ...Shop for the best Fuel Pump Relay for your 1995 GMC Sonoma, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. ... Fuel Pump Relay Black; 35 Amp; 5 Way; High Power; With Resistor; Unshrouded; Code: 7866; 5 Terminal; High-Current 280 Micro. 1 Year Limited Warranty ...GMC SIERRA FUEL PUMP RELAY LOCATION 2007 2008 2009 2010 2011 2012 2013If you have GMC SIERRA and you want to see where the fuel pump relay, fuel pump not wor...Jul 19, 2009 · eallanboggs Discussion starter. 28 posts · Joined 2009. #1 · Jul 19, 2009. Installing a Meziere electric water pump on my 09 Silverado. Using a 40A relay to provide 12Vdc to the pump. Want to trigger the relay off of the fuel pump relay. Looked under the hood at the FUSE/RELAY panel. Found the location for the relay, but the relay socket is ... Oct 6, 2009. #1. Anyone with dual tanks having problems with fuel gauge or the automated balance flow system this may help. This module is located by the front (main) lift pump. Slightly toward the rear of vehicle along the frame rail. On top of this module is a fuel pump balance relay, it turns the rear pump on as needed to transfer fuel.2005 I4, Z85. 7" Touch Screen Double DIN. Paint matched Bumper. Decals removed. Door "bumpers" removed. MB TKO Wheels. Goodyear 255/45/20s. Custom Painted Hood stripe. "Failure only occurs when you stop trying".About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...93 GMC Sierra c1500 - No power to fuel pump. The fuel pump does work, I tested running a wire from the battery. I installed a new fuel pump relay. Checking at the fuse it shows 12v when I try to start then about 3sec it drops to 0v. I have read that some models run through the oil sending unit.Next, test for electrical current by performing a voltage check. If the fuses and relay are good, check the fuel pump relay control circuit from the relay to the engine control module/powertrain control module (ECM/PCM). If the circuit is good, have the ECM/PCM diagnosed and serviced by an authorized repair shop or dealership.GMC Sierra Fuel Pump Relay; GMC Canyon Fuel Pump Relay; GMC Sierra 2500 HD Fuel Pump Relay; GMC Yukon XL 1500 Fuel Pump Relay; GMC Sonoma Fuel Pump Relay; GMC Jimmy Fuel Pump Relay; Show Less. Advice and How tos. How To Clean Fuel Injectors; Carburetor vs Fuel Injection: Which Option is Better Today?Duralast Relay 19265. $1999. Part # 19265. SKU # 221854. Limited-Lifetime Warranty. Checkif this fits your GMC C6500 Topkick. Select store for pickup availability. StandardDelivery by May 02. Add TO CART.In addition, the fuel pump relay, is usually controlled by the ignition or powertrain control module (PCM). As a result, any faults with it, can cause fuel pump issues. Because, it is part of the control system of a fuel pump, its failure can lead to start up problems. Consequently, if it fails, the engine management system, records this event.Relay - Fuel Pump 1991 GMC Truck S15 Jimmy 2WD 4.3L TBI 6cyl The Relay - Fuel Pump Under hood, driver side, upper firewall, mounted in relay block Read full answer ... Location for fuel pump relay on 99 gmc safari van. 1992 GMC Safari; Open Questions: 0 answers. Whats the cost of road tax in the uk.Encoder Motor RTD Fuse #28 30A Real Time Damping (RID) RR PRK Fuse #29 10A RR Park Lamps ECM B Fuse #30 20A Fuel Pump Relay, Vehicle Control Module (VCM)/Powertrain Control Module (PCM) ... 2002 GMC Sierra Relay Panel Diagram. 2002 GMC Sierra Center of Dash Fuse Diagram.Yes, the VIN code is part of the VIN#. Have him spray carburetor cleaner into the air intake and see if that keeps the engine running. If so, he has a fuel delivery issue. No matter which engine (VIN code) it is, the fuel pump relay is located in or near the main relay/fuse/junction box. The code basically tells us which location in the box it is.Acadia. 2011. The 2011 GMC Acadia fuel pump relay location is in the glove box. It is the middle relay. A faulty fuel pump relay prevents Your engine from running as the fuel is not supplied. There are many signs of a bad fuel pump relay including loss of power, engine not starting, pump not making the common noise, and vehicle catching on fire.by Kyle Sanstrom. The fuel pump relay on a 1992 Chevrolet 1500 is designed to regulate power to the fuel pump depending upon the position of the ignition key. This relay is controlled by the powertrain control module (PCM). When the ignition is in the "ON" or "START" positions, the PCM energizes the fuel pump relay in order to turn on the fuel ...Start Engine: Start the engine and let it run for 15 seconds. Turn off the ignition switch. Check Your Lights: The final step is to look at the light on your fuel gauge and see if it turns green. It may change from red to yellow to green, so give it a little bit of time. What if you want to learn how to bypass the fuel pump relay without jumper ...Finally got the fuel pump in the truck, BUT..... like always, we ran into a small situation.. the battery died. Not a big deal but you will not hear the tr...C. cgates Discussion starter. 195 posts · Joined 2005. #1 · Dec 31, 2015. I have a 98 GMC Sierra that is rarely used as my tow vehicle. I tried to start it today and the fuel pump doesn't run and the fuel gauge reads way past full. The fuel pump relay is working and when I jump the load side of the relay and the pump still doesn't run.The 2016 GMC Sierra has 3 different fuse boxes: Engine Compartment Fuse Block diagram. Instrument Panel Fuse Block (Left) diagram. Instrument Panel Fuse Block (Right) diagram. GMC Sierra fuse box diagrams change across years, pick the right year of your vehicle: Engine Compartment Fuse Block. 61.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Have you ever wondered where to find non-ethanol fuel near you? With the increasing popularity of alternative fuel options, many consumers are seeking out non-ethanol fuel for thei...1988 chevy: wires, distributor,map sensor,O2,pvc,EGR..fuel filter. I have a 1988 chevy 1500 4x4 with a 350 engine.It will idle ok,when you dive it it sputters and has no power.Replaced plugs,wires, distributor,map … read more. John.Location. Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine's firewall. The end of the fuel pump relay is typically located near the center of the floorboard, under the carpet in the front section of the ...2000 GMC Sierra fuse box diagram. The 2000 GMC Sierra has 3 different fuse boxes: ... Fuel Pump (Relay) Fuse MINI . 02 A. Oxygen Sensors [Gasoline Engine] Fuse MINI . 02 B. Oxygen Sensors [Gasoline Engine] Fuse MINI . LR PRK. Left Rear Parking Lamps. Fuse MINI . RR DEFOG. Rear Window Defogger, Heated Mirrors.A faulty relay may allow the vehicle to be restarted a short while later, while a completely failed relay will not. 2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start. If the fuel pump relay fails the fuel pump will be left without power. The engine may still crank when the key is turned ...2014. On the 2014 GMC Sierra, You'll find the headlamp fuse under the hood, inside of the engine compartment fuse block. Particularly, the engine compartment fuse panel is located on far right (driver's) side of the vehicle if You're looking under the hood, above the windshield wiper fluid reservoir and to the right of the brake fluid reservoir.Doing a repair or project?? Want to be part of a Friend's Edition Episode? Interested Subscribers should contact Rob at [email protected] Absolutely NO-E...107K views 2 years ago. Quick overview of how to bypass the fuel pump relay. For more information read here. https://www.backyardmechanic.org/how-... ...more.The 1998 GMC Sierra has 2 different fuse boxes: Instrument Panel Fuse Block diagram. Underhood Fuse/Relay Center diagram. GMC Sierra fuse box diagrams change across years, pick the right year of your vehicle: Instrument Panel Fuse Block. Type.The 2008 GMC Sierra has 3 different fuse boxes: Instrument Panel Fuse Block diagram. ... Automatic Level Control Compressor Relay, SEO Upfitter Usage. Fuse MINI . 55. Climate Controls (Ignition) Fuse MINI . 56. Engine Control Module, Secondary Fuel Pump (Ignition) Fuse FMX/JCase . 57. Cooling Fan 1. Fuse FMX/JCase . 58. Not Used. Fuse FMX/JCase ...RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.In addition, the fuel pump relay, is usually controlled by the ignition or powertrain control module (PCM). As a result, any faults with it, can cause fuel pump issues. Because, it is part of the control system of a fuel pump, its failure can lead to start up problems. Consequently, if it fails, the engine management system, records this event.16 Oct 2023 ... 2004 GMC Sierra 1500 Starter Relay & Fuses ... 2004 GMC Sierra 1500 AC Relay ... CHEVROLET SILVERADO FUEL PUMP FUSE LOCATION REPLACEMENT 2014 2015 ...Check the fuel pump relay for voltage and ground. Unplug the pump relay, on the switch side of relay, on the right in diagram, use a proper jumper wire between the two terminals, the fuel pump should run, no need to use key. ... where is the fuel pressure regulator located on a 1991 GMC C1500 Sierra truck. 1991 GMC Sierra 1500 C1500 Extended ...on opposite side of fuel pump relay .there the relay and fusible link then at the end there is a small block it contains the fuse 20 amp. 1111 Answers. Posted on Aug 24, 2009. SOURCE: 1995 GMC Sierra 5.7 liter stalls and is hard.The 2008 Nissan Titan fuel pump relay location is on the right rear side of the engine compartment near the intelligent power distribution module (IPDM). ... SAE 75W-85 API GL-5 synthetic gear lubricant is considered the best for a 2015 GMC Sierra 1500, and here’s what you need to know about how to replace it. Natalie Todoroff.SOURCE: replaceing fuel pump on gmc sierra. The fuel pump is located INSIDE the gas tank and is a combination fuel pump/sending unit for the fuel gauge. Be prepared for a large repair bill. About $600! Video.Relay - Fuel Pump 1991 GMC Truck S15 Jimmy 2WD 4.3L TBI 6cyl The Relay - Fuel Pump Under hood, driver side, upper firewall, mounted in relay block Read full answer Jul 02, 2009 • 1991 GMC S-15 JimmyDec 18, 2007 · Here is a schematic of your fuel pump wiring: You can try unplugging the fuel pump relay and putting 12V to the GRAY wire and see if it comes on. GMTechBernard. Category: Chevy. Satisfied Customers: Experience: GMTechBernard and 87 other Chevy Specialists are ready to help you. Ask your own question now. GMTechBernard. Make sure the ground terminals to the chasis are tight and clean. Try checking w/test light. Good Luck!! Don't forget to rate this post.!! Posted on Sep 03, 2010. john h. 29304 Answers. SOURCE: 1997 Gmc Sierra fuel pump relay has no power. check fuse and fuse panel connections.GASTON57. MEMBER. 1994 GMC SIERRA. V8. 4WD. AUTOMATIC. 285,000 MILES. I have a 6.5 td with an electric lift pump. The pump does not run, I replaced it and still will not run.I checked the fuse and it does not have power with engine running if I put 12v to the fuse the pump will run so it has to be yhe relay or the oil pump switch.As far as I can tell, the fuel pump relay is clicking when the key is turned on, but I still need to do some more testing. I still need to trace the wire to see where it goes also. ... Chevy Silverado and GMC Sierra Forum. 1.4M posts 183.2K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and ... NOTE: The wiring diagram illustrations in this article cover only: 1993 4.3L, 5.0L, and 5.7L GMC/Chevrolet pickups with the 4L60-E automatic transmission. Fuel Pump Relay Diagnostic/Troubleshooting Notes: Should have 10 to 12 Volts DC with Key On Engine Cranking or Key On Engine Running (KOER). This voltage comes from the GRY inline fusible ... I think the DKGRN/white wire powers the fuel pump relay from the ECM. Check to see if that relay operates for 2 seconds after you turn the ignition switch to run position. If not try replacing it with a similar relay in the fuse box. It means the ECM is not powering the relay. 2002 Silverado LS Ext cab long bed 5.3L 4x4 Z71.I replaced the fuel pump relay yesterday just because its cheap and easy, so we'll see how that goes. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. G. ... Chevy Silverado and GMC Sierra Forum. 1.4M posts 182.4K members Since 2009 A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners ...MEMBER. 2002 GMC C1500. 240,000 MILES. I thought that my fuel pump went out but after removing the bed I discovered that I do not have power at the plug fior the fuel pump. I checked all connections and they are fine. I only have power on one leg of the relay. The relay has been changed so it should be good, fuses are good.The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle. GMC Sierra – fuse box – engine compartment. Micro J-Case Fuses. Usage. 1. Trailer Brake. 2. Trailer Battery. J-Case Fuses.RECox286. 5338 posts · Joined 2010. #4 · Feb 12, 2013. The 95 is an animal unto itself. The f/p relay is located under the hood, passenger side, over the heater box area. If you find you need. a new relay, definitly take the old one with you to the store to match up, else you will come home with the wrong part.1 post · Joined 2014. #1 · Sep 11, 2014. Hello, Recently came out to a completely drained battery. After charging and restarting the truck, then shutting it off, I heard the pump running continuously. Could not get it to shut off so I disconnected the battery. There is no fuel pump relay so I'm thinking the problem might be with the Fuel Pump ...Well gotta love getting humbled by the circuit design from an OBD 1 fuel system. I apologize for my voice, I was losing it due to a cold. I don't work on O...GMC Sierra Fuel Pump Relay; GMC Canyon Fuel Pump Relay; GMC Sierra 2500 HD Fuel Pump Relay; GMC Yukon XL 1500 Fuel Pump Relay; GMC Sonoma Fuel Pump Relay; GMC Jimmy Fuel Pump Relay; Show Less. Advice and How tos. How Fuel Injectors Work; How to Clean a Throttle Body; Fuel Injector Replacement Cost;Do you need to Replace the fuel pump on your Chevrolet Silverado 2500 (2015 - 2019) but don't know where to start? This video tutorial shows you step-by-step...1 Answer. Rocguy. GMC Master 377 Answers. Posted on May 17, 2017. I don't know for sure but very commonly GM has located relays up along the firewall.In a *quiet environment* - turn key on and listen closley for fuel pump RELAY click - under hood fuse/relay box .. IF no relay click .. Possible blown fuel pump fuse .. IF relay click is present but NO fuel pump operation .. Replace fuel pump module! Fuel pump relay failures are 'very rare' on these vehicles! I turn on ignition , no noise from ...2000 GMC Sierra fuse box diagram. The 2000 GMC Sierra has 3 different fuse boxes: ... Fuel Pump (Relay) Fuse MINI . 02 A. Oxygen Sensors [Gasoline Engine] Fuse MINI . 02 B. Oxygen Sensors [Gasoline Engine] Fuse MINI . LR PRK. Left Rear Parking Lamps. Fuse MINI . RR DEFOG. Rear Window Defogger, Heated Mirrors.P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand alone module. NOTE: The wiring diagram illustrations in this article cover only: 1993 4.3L, 5.0L, and 5.7L GMC/Chevrolet pickups with the 4L60-E automatic transmission. Fuel Pump Relay Diagnostic/Troubleshooting Notes: Should have 10 to 12 Volts DC with Key On Engine Cranking or Key On Engine Running (KOER). This voltage comes from the GRY inline fusible ... GASTON57. MEMBER. 1994 GMC SIERRA. V8. 4WD. AUTOMATIC. 285,000 MILES. I have a 6.5 td with an electric lift pump. The pump does not run, I replaced it and still will not run.I checked the fuse and it does not have power with engine running if I put 12v to the fuse the pump will run so it has to be yhe relay or the oil pump switch.The fuel pump for the 2010 Terrain gets power from the chassis control module. The RUN/CRANK relay found in the fuse box under the hood sends power to the chassis control module. To cut power to the fuel pump, you must remove the RUN/CRANK relay. You can locate that by referring to the fuse box diagram located under the fuse box lid or in your ...Test the FP relay connections in the under hood fuse box. Have constant power and ground to the 2 appropriate terminals. Test for 2 second prime when ignition is keyed shows that terminal is energizing properly. When I remove the FP relay and jump terminals 30 and 87 the truck starts and runs fine.Start somewhere, like say, the fuse box, make sure there is 12.x V there, then follow the wire to it's next connector and test the voltage there, repeat until you get to the fuel pump or you get less than 12.x V. 2004 Sierra 3500 dually, 6.0L extended cab, cab&chassis flatbed, upgraded to 4wd.No power to fuel pump, constant, o5, 05, fuse relay wire harness plug, noPart 1 -testing the fuel pump relay (1997-1999 chevy/gmc pick up and Silverado locatedFuel pump location relay gmc sierra 1500 cargurus fuse helpful found people.SOURCE: replaceing fuel pump on gmc sierra. The fuel pump is located INSIDE the gas tank and is a combination fuel pump/sending unit for the fuel gauge. Be prepared for a large repair bill. About $600! Video.On my 1990 gmc sierra, I recently installed a new fuel pump, and I jumped the relay to see if the pump would run, and when I did, I jumped the wrong two prongs on the relay connector, and shorted the connector. I spliced a new connector in and now im getting power to the fuel pump, just not the needed 12 volts.Get the Borgosesia, Piedmont, Italy local hourly forecast including temperature, RealFeel, and chance of precipitation. Everything you need to be ready to step out prepared.The fuel pump relay located in the fuse box is susceptible to electrical power surges. Surges will go directly to the fuse box and will result in blowing a fuse. Or in this case, a burnt fuel pump relay. This can happen for various reasons, such as the fuel pump drawing too much amperage. However, this issue can easily be identified with a ...NEWR. MEMBER. 1992 GMC SIERRA. Electrical problem. 1992 GMC Sierra V8 Four Wheel Drive Automatic. Can I get a wiring diagram for the Fuel Pump Relay for this model? I cant seem to find it online. Thanks Ron. Monday, March 15th, 2010 AT 7:08 PM.

Dec 18, 2007 · Here is a schematic of your fuel pump wiring: You can try unplugging the fuel pump relay and putting 12V to the GRAY wire and see if it comes on. GMTechBernard. Category: Chevy. Satisfied Customers: Experience: GMTechBernard and 87 other Chevy Specialists are ready to help you. Ask your own question now. GMTechBernard. . Portal.capario.net

GM Fuel Pump Flow Control Module GMC, Chevy, Silverado, Sierra, Tahoe, Yukon, Suburban, HummerThe video covers the replacement of the Fuel pump flow control ...107K views 2 years ago. Quick overview of how to bypass the fuel pump relay. For more information read here. https://www.backyardmechanic.org/how-... ...more.2002 gmc sierra fuel pump replacement (the easy way) Fuel eccpp 2500 1996 module 3l 4l Fuel line s10 gmc sonoma set chevrolet Pump fuel treperformance gmc sierra 1998 lph 1988 additional ... 1997 gmc sierra 1500 fuel pumpFuel pump fuse relay gmc suburban 1994 located where 2500 2009 cannot locate still let items know these if engine.. GMC ...MEMBER. 2002 GMC C1500. 240,000 MILES. I thought that my fuel pump went out but after removing the bed I discovered that I do not have power at the plug fior the fuel pump. I checked all connections and they are fine. I only have power on one leg of the relay. The relay has been changed so it should be good, fuses are good. 2003 GMC Sierra 1500 Fuel Pump Relay. 2002 GMC Sierra 1500 Fuel Pump Relay. 2001 GMC Sierra 1500 Fuel Pump Relay. 2000 GMC Sierra 1500 Fuel Pump Relay. Order GMC Sierra 1500 Fuel Pump Relay online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. TechCrunch tested the 2024 GMC Hummer EV SUV in the soggy hills of Napa. Our take? It's better than the Hummer truck and built for chaos. The Hummer is and always will be, a study ...Jul 19, 2009 · eallanboggs Discussion starter. 28 posts · Joined 2009. #1 · Jul 19, 2009. Installing a Meziere electric water pump on my 09 Silverado. Using a 40A relay to provide 12Vdc to the pump. Want to trigger the relay off of the fuel pump relay. Looked under the hood at the FUSE/RELAY panel. Found the location for the relay, but the relay socket is ... I have a 2017 L5P 2500 that won't start (I know) because the lift pump isnt turning on. I"m not sure what relay 1 or 2 is for the lift pump but all fuses seem to be fine and I have bench tested relay 1 and it seems to be fine. I'm gonna add also that the fuel gauge isn't working either. I don't seem to be getting a keyed 12v to the relay either ...gmc sierra 1500 fuel pump relay location 2 Answers. where is the fuel pump relay on a 2008 sierra 1500 c/cab 4x4. 2008 GMC Sierra 1500-Maintenance & Repair.The 2016 GMC Sierra has 3 different fuse boxes: Engine Compartment Fuse Block diagram. Instrument Panel Fuse Block (Left) diagram. Instrument Panel Fuse Block (Right) diagram. GMC Sierra fuse box diagrams change across years, pick the right year of your vehicle: Engine Compartment Fuse Block. 61.On my 1990 gmc sierra, I recently installed a new fuel pump, and I jumped the relay to see if the pump would run, and when I did, I jumped the wrong two prongs on the relay connector, and shorted the connector. I spliced a new connector in and now im getting power to the fuel pump, just not the needed 12 volts.After replacing my gas tank and fuel pump I found that there was intermittent power getting to the fuel pump. So I had to troubleshoot the problem and eventu....

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