91 s10 fuel pump fuse location

Discussion Starter I have a 91 Chevy s10 pickup 2wd v6 4. 8 and found that the problem was the oil sending unit, which on my truck is located right Fuse box diagrams presented on our website will help you to identify the right type for a particular electrical device installed in your vehicle. Look for ECM, ECU, or fuel. It is getting fuel to the injector. If you do not keep at least a 1/4 tank of gas in the tank to lubricate the pump they go bad. The fuel pump relay is supposed to only energize the fuel pump for a few seconds to pressurize the fuel system so that the engine has enough fuel to start then shut off. Rabsr2006 found fuel-pump relay on 1994 chevr s10,it under dash,under radio. The fuse is located under the instrument panel to the left of the steering column. Thanks I had this problem on my 91' s10 2. 3 that is not getting fuel. The ECU fuse is # 56 which also controls the fuel pump. Can i hot wire fuel pump 1997 chevy s 10 blazer. Thanks for checking. Using a fuse that’s too small will cause the fuse to blow again. If the fuse is not there, look in the specialty fuse panels. Where is the fuel pump relay on a 91 s10? they are on the driver side fender well. If it had been sitting a while and all this happened 91 S10 Fuel Pump Relay location? Jump to Latest Follow 1 - 10 of 10 Posts. Testing the ford fuel pump relay on the car is not that hard to do. You can try swapping them. • Fuel lines • 12 volt supply to the mega fuse, if removed • All vacuum lines, electrical connec-tions and wiring harnesses • EGR valve and pipe, if removed • Throttle and if equipped, the cruise control cable • Heater hoses to the heater core • Power steering pump and attach the lines • A/C compressor • Radiator, all hoses A priming fuel pump sounds like a high-pitched whine for a few seconds and can be heard with a sharp engine right after the ignition key is turned, but before the starter is engaged. Chevrolet Master. 94 S10 Wiring Schematic Auto Electrical Wiring Diagram. You can't alter or modify it in any possible way. 2L 2001 Main Fuse Panel/Board – Fuse Symbol Map Chevrolet S10 2. This tends to be the usual location across the board. If it had been sitting a while and all this happened Fuse box diagram (fuse layout), location and assignment of fuses Chevrolet S-10 Blazer, GMC S-15 Jimmy and Oldsmobile Bravada (1982-1994). Issue 8 Answers. An easy way to confirm that the wire(s) from the relay, the oil pressure switch, to the fuel pump are ok is to jumper the gray and orange connections at the oil pressure 1991 Chevy S 10 Pick Up Won’t Start – No Spark or Fuel. I have a 1993 s-10 Blazer with the 4. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. It is about the same size as a large 04-06-10 06:03 PM - Post# 1894081 I have an '89 S-10 4. I can not get fuel to go through throttle body. Method 1Method 1 of 2:Performing an Electrical Test. 7L). cap and rotor and wires and plugs. (Fuel pump was replaced approximately 2 1/2 years ago. I suppose we have had a long enough rest from the constant posting of the fuel pump fuse blowing. 91 Chevy s10 4. I am looking for the location of the fuel pump relay on a 1997 Chevy S10. Personally, I would just put a 20 amp in there now 🙂 It won’t hurt the circuit. See more on our website. #3 · Feb 8, 2010. Wiring gm fuel pump. Basic safe electric fuel pump wiring diagram this is the basic wiring diagram for safe electric fuel pump wiring. Diagram of the fuel pump wiring for 91-93 cars. We can not find any pinched or worn spots on the wiring. It shows the components of the circuit as simplified shapes, and the capability and signal links in the midst of the devices. A wire that has continuity between the connector and the fuel pump. . ?Along the frame at the rear of the vehicle in front of the gas tank. Wiring diagram 1988 chevy s10 fuel pump the wiring diagram size. Look to the area on The '91 may or not be the same. Electrical problem. 4: Fuse application and amperage ratings-1994-98 56 If putting a Supra or Walbro pump in, you probably should swap out the 15 amp EFI fuse for a 20 amp in the engine bay fuse block. I've got a dead fuel pump (checked separately) and no power from the harness either. The first thing You will need to do is go to the front of Your vehicle, and open the hood. 96 s10 fuel pump wiring diagram. Feb 27, 2007 · The fuse for the radio is in the fuse box located on the driver's side below the dashboard. Grammar is FreeWare. Bret Bodas on February 11, 2010. Over time, this relay can go bad and cause symptoms similar to those of a WIRING INFORMATION: 1983 Chevy S-10 Blazer WIRE WIRE COLOR WIRE LOCATION 12V CONSTANT RED Ignition Harness STARTER YELLOW OR PURPLE Ignition Harness IGNITION PINK Ignition Harness ACCESSORY ORANGE Ignition Harness POWER DOOR LOCK (5-wire reverse polarity) LT. Do I need to pull the fuse on the pump before removal or ground? Is it also under any extreme pressure?Where is it located, and how do I change fuel filter on a 1999 Pontiac Trans Am. Bailey line road recommended for you. Hope this helps somebody out there thanks for watching. 4: Fuse application and amperage ratings-1994-98 The actual fuse (In-line 20amp) for the fuel pump to tank circuit (after relay) is located under the plastic cover, on the right side of the firewall with the fuel pump relay. Fig. This is somewhat easy to locate. no power is flowing. Open pass door, unscrew two screws under the glovebox (you will be upside down in the car), take off the fuse panel, unscrew third screw to plastic plate underneath glovebox, pull away carpet (velcro), pull down plastic plate (watch out for the Fuse Layout Chevrolet S-10 1994-2004 Cigar lighter / power outlet fuses are located in the Instrument panel fuse box. Once energized, a magnetic force pulls the switch downward and makes a connection. . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators Produced with CyberLink PowerDirector 13 5,065 Posts. Fuel pump wiring diagram. I get fuel all the way to the injectors but when I turn truck over nothing comes out of injectors. The fuel pump relay is usually controlled by the ignition or powertrain control module, and when switched on, will provide current to the fuel pump so that it may function. The relay is on the firewall next to the booster. 1991 Chevy S-10 6 cyl Two Wheel Drive Manual. Fuse will be under the steering column. Joined Feb 2, 2004 · 44 Posts . 94 S10 Fuel Pump Wiring Diagram – wiring diagram is a simplified conventional pictorial representation of an electrical circuit. Most fuel pumps will run a 15 (Blue) 20 (Yellow) or 25 (Clear) amp fuse. fotyfoe · Registered. Check the fuel pump relay which is under the hood, on the drivers side fire wall. The main part of the power supply circuits of the electrical equipment of the ameican pickup is protected by fuses. lamegaime. Logged. Where is the fuel pump located on a s10 blazer? Just changed fuel pump due to a no-run problem with oem pump. starts with gas is put A fuel pump relay in a 1991 Chevrolet S-10 acts as a breaker switch, in a way. ) After all of this it was discovered that the ECM fuse was blown. These diagrams include: Fig. Fuses and relays Chevrolet Blazer (S10), 1995 - 2005. For the 1993 fuel pump wiring diagram, check out the following article: 1993 Fuel Pump Circuit Tests (GM 4. I've seen several shorts in this location and depending on the orientation of the harness it can blow the efi fuse or In this video we show the location of the under hood fuse box on a vw passat. Your truck may have 2 relays in this spot. Posted on Mar 27, 2010. Easy explanation of how to wire your fuel pump relay. I have a 1993 s-10 Blazer fuel pump fuse size 5 Answers. Chevrolet S-10 (1993 – 1994) – fuse box diagram Year of production: 1993, 1994 Instrument panel The fuse block is in the instrument panel on the driver’s side. No Hairy Nosed Wombats were ran over on the trail today. Once again, Check your fuel pump relay, oil pressure switch, fuel pump and wires in between. We are not getting any fire to the plugs and the new injector is not spitting fuel. have checked fuses, not getting any juice to the fuel pump- even tried to direct wire from battery to fuel pump and nothing. You can find the link on main channel page. Yes. The fuel pump fuse is located in the fuse box inside of the car, or under the hood in a fuse box beside of the battery. It can be confused with the A/C Wide Open Throttle relay which is in the same area. So, placement of this relay doesn’t get more in-depth until you get to the 1992-93 year models. Divert Solenoid (Carbureted Models), Water in Fuel Sensor & Fuel Heater (Diesel) 6: 10 '82-'84: Electronic Control Module: 15 Wiring Diagrams 1994 S10 Pickup Wiring Diagram. CHEVROLET S-10S10 1998 Pick up Truck Owners Manual Download Now. 0L, or 5. Aug 29, 2019 · 91 S10 Radio Wiring Diagram. only Dead Fish go with the flow. Locate and remove the fuel pump relay from its location in the under-hood fuse and relay box. Chevy s10 fuse diagram. Using the prop arm on the left side of the hood, You can hold the hood firmly open, preventing injury or inconvenience of doing it manually. Each part ought to be set and linked to different parts in specific way. If your gas tank will be removed from the vehicle for an extended period of time, plug the fuel filler and sending unit holes as well as the fuel lines on the vehicle to Fuel Pump Relay Wiring Diagram (Automatic Trans. Over time, this relay can go bad and cause symptoms similar to those of a Remove the cover with a small screwdriver and pull the lid off of the fuse panel. Where is the fuse for the fuel pump on a 91 chevy blazer? where is relay located at? - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. The Chevrolet Silverado truck has a fuel pump reset switch that can be found on the toe board of the vehicle. There is a printout on the cover of the fuse box that tells you what each fuse powers. Discussion Starter · #1 · Mar SOURCE: no power at fuel pump chev. Access our free Fuse Block and Convenience Center Repair Guide for GM Full-Size Trucks 1988-1998 through AutoZone Rewards. The fuel pump relay is located under the Mass Air Meter on Fox bodied stangs built after 91. You can try to run with the 15 amp fuse, but be sure to keep a 20 amp in the car in case it blows. My Haynes manual says to check the fuel pump fuse, which is located in the engine compartment. Remove the fuel pump fuse first and then run the engine. The fuel pump works fine if you connect jumpers to it directly. 91 integra fuel pump relay location. 2L 1999 Fuse Box/Block Circuit Breaker Diagram Chevrolet S10 2 '85-'91: Instrument Cluster, Seat Belt & Lights On Buzzer, TBI Torque Converter Clutch Solenoid, Auxiliary Coolant Fan Relay, TBI Fuel Pump Priming Module, Transmission Kickdown Relay and Solenoid (M40), A. 1996 Chevy S 10 Fuel Pump I Have Recently Took On A Project Of Relay engine control module and the fuel pump in this wiring. 3: The fuse panel cover is located at the drivers side of the instrument panel. 3 litre pickup. It is an in-line pump, in the fuel line that runs from the gas tank to the carburetor. 1991 CHEVROLET S-10. Joined Aug 3, 2002 · 444 Posts . A typical TBI pump pressure must be able to maintain 15 to 18 PSI. 0. it has a 10 amp fuse put in the slot. The 91 Caprice had a change mid year, so the fuse could be in either one of Pull the cover off of the fuse box and look at the diagram printed on it to know where the fuel pump relay is located. if it is the 2. unplug the fuel line contecting from the pump to the filter, on the filter end and I have a 1993 s-10 Blazer fuel pump fuse size 5 Answers. The fuel pump relay is located Under hood, driver side, upper firewall, mounted in relay block. It is 4 wheel drive adn i keep blowing the fuse for my fuel pup. Once you sign in, follow these instructions to access our Repair Guides. Joined Mar 19, 2012 · 22 Posts . Where can I look to test the line, what. The engine turns just no gas. 800 x 600 px source. *First test the filter. 1991 Ford F 150 Fuel Pump Wiring Diagram Wiring Diagram Raw Need wiring diagram for 1991 ford f150 fuel pump 6 cylinder. 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. 1991 ford f 150 fuel relay wiring. Fuel Pump The ECM sends a signal to the Fuel Pump Relay to turn on the fuel pump. Check out our 86-91 fuel pump relay for sale! 1992-93 Fox Body Access our Chevy S10, S15, and GMC Sonoma Pick-Ups 1982-1993 Repair Manual Wiring Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. 1998-2004 – see fuses №2 “CIGAR LTR”(Cigarette Lighter) and №13 “AUX PWR” (Auxiliary Power). Fuse Diagram For 1993 Chevy S 10. 1996 x-90 red. I looked for any sort of fuse with a FP or Fuel Pump indicator next to it, but couldnt find anything. I briefly looked at this vehicle where they had it towed to after it had stalled on the road and they couldn’t get it to start. M. Fuel pump relay wiring diagram for chevygmc pickups. 1987,1988,1988,1990 samurai's, 1953 m38a1, 1996 x-90,blue. mfell2112 · Registered. has to be an elect. The eight digit in ther VIN code indicates where the fuel pump is in that truck a 'Z' is in the cab, while a 'W' is in the fuse box under the hood. So, please keep that in mind the next Fuel pump Fuse location 95 s10 pickup. #5 · Jun 22, 2011. You can freely use and distribute it. Science math history. 5 engine. A new fuse was put it and it blew the moment the ignition was turned. Remove the panel to access the fuses-1996-98 models shown. Do I need any special wrenches. 34f 94 S10 Wiring Harness Wiring Resources. (Open the passenger door, you will see it on the "end" of the dash). R. The video above shows how to replace blown fuses in the interior fuse box of your 1993 Chevrolet S10 Blazer in addition to the fuse panel diagram location. When there is no power, the switch inside the relay opens up, not permitting power to reach the fuel pump. with a unplugged and b plugged in it will blow fuse, but with a plugged in and b unplugged it will not blow fuse. Anonymous commented. Check in your owner's manual for the location of the fuse box, then find the fuse that corresponds to the fuel pump. when nothing is plugged in it does not blow the fuse. This is a normal condition as the fuse isn’t rated for the higher amps of a fuel pump circuit. 6L New Fuel Pump stalled while driving. 1994 fuel pump circuit tests gm 43l 50l 57l. the relay will be labeled on the inside cover of the fuse/relay box cover. As you're already aware, the throttle body fuel injection system on your 1987 to 1995 4. A wiring diagram usually gives recommendation more or less the relative tilt and deal of Fuel pump relay wiring diagram for chevygmc pickups. Remove the panel. The secondary pump is in position #1 (10 amp) of a 4 position fuse block located under the passenger side dash and towards the firewall. Re: where is the fuse for the fuel pump on a 1991 s10 - 1991 Chevrolet S-10 Cars & Trucks. LOOK FAR LEFT SIDE OF THE INSTRUMENT PANEL. Or verify there is power and signal getting to the plug with a meter. How low have you've been running your gas tank, since it is an 1991 there might be some sediment build up on the bottom of your tank, the problem being is that the pump is probably located in the gas tank. F. If you search you will find many post on the fuel pump and ECMB fuse. The pump one is closest to the booster. On the inside of the lid there should be a label that identifies the fuse arrangement, similar to the label on the power center under the hood. 1994-1997 – see fuse №7 “PWR AUX” (Auxiliary Outlets). 14. 2. 8 the fuel pump relay will be the closest to the brake booster. … read more JOHN aka Eauto For the 1998 s10 theres no fuelpump switch, there is a fuelpump relay. 3 liter, throttle body. Question type: Maintenance & Repair. 7L pickup (or SUV) uses a low pressure (12 PSI) electric fuel pump located in the gas tank. The GRAY wire labeled "Fuel pump Feed+" must be connected to the positive fuel pump power wire to energize the fuel pump. For 1986-91 Mustang year models, the Fuel Pump relay location is located under the driver's seat area. Fuse box diagram (fuse layout), location and assignment of fuses and relays Chevrolet S-10 Blazer, GMC S-15 Jimmy and Envoy, Oldsmobile Bravada (1995-2005). The fuel pump relay fuse is located under the hood in the fuse box on a 2003 Chevy 2500 HD 6. A 12 volt signal with the key on. Discussion Starter Fuel pump relay wiring diagram for chevygmc pickups. A good ground connection. Use our website search to find the fuse and relay schemes (layouts) designed for your vehicle and see the fuse block’s location. 3L. 7L engine. The drivers door must be open to gain access to the fuse box. Conclusion: Chevy S10 Bad Fuel Pump. Look for the same lettering that designates the fuel pump fuse. Grammar is NOT OPEN SOURCE. Pull it out and inspect it for signs of failure. i've got a 99 s-10, died on the way home,had it towed, checked the fuel pump replaced the fuel filter, new alternator, new starter and battery, nothing leaking, when i start it the battery gauge goes normal, and the fuel gauge works, the oil pressure gauge and the temp don't which sounds normal when not starting. The fuel pump relay is usually colored green or gray. Another place to look is where the harness goes under the intake plenum and over the fuel rail. It is often found in the fuse box located in the engine bay and These are the test steps: 1. Protective elements are installed in the cabin and engine compartment mounting blocks. Likewise, you can select the car make and model listed below or from 1991 Chevy S 10 Pick Up Won’t Start – No Spark or Fuel. On the left side of the spare tire well there is an access panel that is held shut by 4 phillips-head screws. I changed fuel pump, fuel filter and tested it all the way up to the injectors. Asked by j9kremzar Oct 24, 2014 at 07:46 PM about the 1993 Chevrolet S-10 RWD. were is the fuel pump located and were on the fuse box is the fuel fuse. When the selector is moved. I have an idea that the fuel pump died in a bad way, and either blew the fuse or zapped the relay. 4. Enter your vehicle details. besides the relay the only other problem for a fuelpump not working on these trucks is the fuelpump is bad or the wiring connector to the pump is bad. 1986-91 Fox Body Mustangs. I have a 1994 Chevy S-10 6 cylinder, where is the fuel pump 1 Answer Went for a drive and shut truck off and it wouldn't start, has spark and have replaced fuel filter. SOURCE: trying to locate fuel pump relay for 1991 corvette- coupe The fuel pump relay in the 1991 corvette is located under the IP on the pass side. 91 chevy s 10 how fuel pump relay oil sender unit works. If it does not stop running after 10 minutes, look for the three pronged connector at the tank and disconnect it. Only) NOTE: The illlustrations and info in this page apply only to 1994 Chevrolet/GMC pickups with a 4. MASSIVEINTEGRA · Registered. I. BLUELARRY. Checked power to fuel pump and. B9808 92 S 10 Wiring Diagram Digital Resources Wiring Schematic 1992 Chevy S 10 Wiring Diagram. If you disconnect the relay and check the 4 terminals, you should have: 1. Where is the fuel pump relay on a 95 Chevy s10? fuel pump relay is in glove-box. A fuel pump relay in a 1991 Chevrolet S-10 acts as a breaker switch, in a way. S10 wiring diagram pdf 1995 s10 wiring diagram pdf 1996 s10 wiring diagram pdf 1997 chevy s10 wiring diagram pdf every electric structure is composed of various unique components. It's not uncommon to find the harness to the O2 sensor burnt to the exhaust blowing the efi fuse. Reader Question My son has a 91 s-10 with a 2. Place your trusty multimeter in Volts DC mode. 2021. Underneath the panel you must remove the plug from the sending unit. 14,092 Answers. Replace A Fuse 2012 2019 Volkswagen Passat 2012 Volkswagen Passat For 1998 vw passat v6 the fuse box is located on the left side of dashboard behind a plastic cover for left hand steering wheel vehicle. Open the drivers side door and look at the side of the dash. There is a bank of relays on the firewall on the passenger side, but I do not have any info on which relay is for the fuel pump. The fuel pump relay is an electronic component that is found on virtually all vehicles equipped with an internal combustion engine. Throttle Body. Let the car run until it dies from lack of fuel. Access our Chevy S10, S15, and GMC Sonoma Pick-Ups 1982-1993 Repair Manual Wiring Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. 02-29-2008, 11:38 AM. Primary pump fuse in in location #24 (10 amp) of the fuse block on the outside end of dash on passenger side. Location of fuselink for feul pump in a 91 blazer s10 - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. 1993 S10 2. Add your vehicle in Manage My Vehicles. ECMB fuse keeps blowing, unplugging ECMB fuse does not blow fuse. Often, it's not the pump itself that fails to function, but the power that supplies it. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse that has blown out. visible water damage on outside of ecm none on isnide and its a silicone coded pc board. 3 liter Vortex under the hood. Armed until the security light goes off. And although GM did not include a Schrader valve to which you could connect a fuel pressure gauge, it can be tested with one to find out if the fuel The 10 amp fuse marked "ECM B" located in the fuse box at the far end of the dash protects the fuel pump circuit. 2001 instrument panel the fuse block is in the instrument panel on the drivers side. the relay is in the engine compartment inside the fuse/relay box. Chevrolet chevrolet s10 fuse box diagram. The 10 amp fuse marked "ECM B" located in the fuse box at the far end of the dash protects the fuel pump circuit. 0L, 5. The symptoms of a bad fuel pump match a lot of other common problems that can occur in the Chevy S10. Jump to Latest Follow 1 - 7 of 7 Posts. Jump to Latest Follow 1 - 4 of 4 Posts. 1994 2 door tracker. S-10 looking for fuel pump relay and fuse. We have the largest selection of Chevrolet S10/S15/Sonoma Pickup Box parts at discount prices. Check if the fuel pump relay is in place and functional. 5,065 Posts. 04. Almost all vehicles have a fuse in the panel that controls the fuel pump/ECU. The fuse box diagram for a Chevy S10 is located on the back ofthe panel cover. now if you pour gas into carburetor it’ll run fine Remove the fuel pump fuse from the fuse panel directly in front of the battery under the hood. 3. At least it is on my 93. Check the fuel pump fuse. 2,434 Posts. module are there to test. Look under the dash, next to the driver side foot panel. Fuses/Circuit Breaker Name Circuit protected A PWR ACCY Power Door Locks B PWR WDO Power Window 1 STOP/HAZ S Stop Lamps, Hazard Lamps, Chime Module 2 HORN/DM Dome Lamp, … You must have a blown fuse or a broken wire,the power relay turns on the ecm and your fuel pump will not run with out that relay working first. The fuel pump fuse is # 20 and the relay is located below fuse # 25. 3L, 5. We have changed the ecm and injector, dist. Probe the female terminal slot labeled with the B1 (in the illustration above) with the red multimeter test lead. MEMBER. BLUE Harness Coming Into Vehicle From Driver’s Fuel Pump Relay: Chevrolet S10 2. I had no tools at the time, but not hearing the hum of the pump Fuel pump wiring diagram. It’s important to replace the fuel pump fuse with the correct rating. Where is the fuel pump, I understand that 1994 is the last year that you. It shows the elements of the circuit as streamlined shapes and the power as well as signal links in between the gadgets. Also, check its connector and wiring; Check the fuse for the fuel injector, electric fuel pump; Check for clogged fuel filter located in the fuel tank or the engine compartment; Check if there is a leak in the fuel supply, causing low fuel pressure through the fuel rail. When the selector is moved from Vent or Heater to any of the AC settings or Defrost, the AC Fuse blows and there's no … read more. The fuel pump fuse in your 1993 Chevrolet S10 Blazer is most likely labeled ECM or ECM B. How to do it right. Thr fuel pump fuse is in the fuse box under the dash. one of the 2or3 big ones on left, dont matter which one it is, switch em-all around… Chevrolet S 10 1999 2000 Fuse Box Diagram Auto Genius Chevrolet s 10 2000 fuse box diagram. SOURCE: 91 chevy s10 fuel pump I believe u are referring to the lock ring on the fuel tank that holds the assembly in place, I use a hammer and a sturdy piece of wood (oak flooring 3/4" thick x 2" wide x 6" long), or a brass drift (punch). Stophaz stop lamps hazard lamps chime. Hey fellas I’ve got a 1998 Chevy s-10 that suddenly died on us, thinking it was the battery like AAA guy said we replaced it but the truck still wont start- might turn once then goes absolutely dead. Powerful current consumers are connected via relays. now if you pour gas into carburetor it’ll run fine Follow. 1991 Chevy S-10 fuel pump and fuel pump fuses. Wiring Diagrams 1994 S10 Pickup Wiring Diagram. 0L or a 5. Is there such a thing as a fuse for the fuel pump and if so where is it located in the fuse panel of a 1992 Chevy S10 Pickup, 4. 01 Blazer Fuse Box 2000 Chevy Blazer Fuel Pump Fuse 94 S10 4 3. The fuel pump on a 1991 Nissan 240 SX is located back by the fuel tank. If you can’t find the fuel pump relay, check your vehicle’s manual to see if it lists the location. Use the wire colors as shown in the diagram below to identify which relay is the fuel pump relay.

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