No Power To Fuel Pump Relay Chevy Truck

3L I am not getting power to fuel pump. AutoZone Repair Guide for your Wiring Diagrams Wiring Systems (2006) Power Distribution Schematics. I am thinking that, because pin 30 also leads off into the warmup regulator area, I should check around there. I removed the engine, had it rebuilt, and put it back in the truck. Largely enough, the installation of power steering has become a major segment of classic truck upgrading. Here are some fuse box diagrams from my 2001 Venture and some pictures of of each fuse box. Silverado & Fullsize Pick-ups - No power to fuel pump - This is my first post on this forum and I hope that someone of you might be able to identify the problem of no power to the fuel pump. Install the provided. This Suburban is equipped with dual tanks and as such has two relay switches, primary and secondary, both of which are located at the main fuse box in the engine bay, that power up the respective fuel pumps. When you first turn on the key, no crank, the fuel pump should run for a few seconds then stop. The fuel pump relay's circuitry opens and sends roughly 12 volts of power to the fuel pump. If the fuel supply pressure is zero, remove the fuel supply pump relay and jump #30 & #80 connector, this will send power to the supply pump with the ignition on. ) I only have one wire leading to the oil pressure switch. No TIPM programming is required since we're simply removing and replacing the faulty relay. if the pump works with the PRIME wire [red] connected to 12 volts , then I would replace the fuel pump relay. There shows to be an oil pressure switch in parallel with the fuel pump relay. A jumper wire to the pump turns pump on but truck still will not start. Engine compartment, fuel pump, stamped (7866). in order for a relay to work, you must have one power feed, one ground circuit, and one control circuit. PureFlow AirDog products are the only true air separation systems on the diesel market today and Raptor fuel pumps offer increased performance with a budget in mind. This is how I know it is not getting any power. JEGS is the source for performance parts with Same Day Shipping. The fuel pump fuse on your 1996 Chevrolet C1500 truck protects the fuel pump relay and the fuel pump motor from electrical overloads. Some European wiring diagrams are available also. It points to all of that stuff between the car's power system and the pump - relays, wiring, switches and such. Get the best deals on Car & Truck Fuel Pumps for Chevrolet when you shop the largest online selection If the pump breaks, the fuel won't be able to power the. now i have no power to fuel pump. Fuel pump relay. I have power to the pump relay but can't get at the pump without removing the tank. 0Gi means little by itself. It make take you a little experimentation to find the correct two terminals, but you don't have anything to lose anyway. Problems with Fuel pump Chevrolet Blazer 1997 The fuel pump fuse is marked ECM Batt and the fuel pump relay is in the glove box, There is three relays in there it is the first one closer to. I am converting a 78 GMC K15 with gen 1 sbc/th350 to TBI from a 1991 Chevy 1500 donor truck. Included With Fuse And Relay Box. Turn the key off and back on and we were back to no fuel pump. Power for the electric fuel pump shouEd be controtled through a relay or special oil pressure switch to assure Shut-down in the event Of vehicle upset (see Figure A7-7-3). Included With Fuse And Relay Box. Step 2 - Switch Ignition. We weren't getting fuel pressure initially, and we thought that may have been the issue at first. If the relay isn’t closing, check the oil pressure switch. Which hasn't happened. motor will crank, and plugs get spark but wont turn over or get fuel. First is its bottom-fed fill design, which allows for consistent reservoir fuel level for improved fluid flow even when the fuel level in the tank is low. CHEVROLET > 1985 > CORVETTE > 5. So we jumped the power bypassing the relay and the pump powered up after that. Normal resistance is between 3-8 ohms at 20C (68F). The fuel pump remains on as long as the PCM receives reference pulses from the electronic ignition system. Fuse block-instrument panel, door lock. 5L Turbo Diesel found in 1992-2000 GM truck applications, along with top-knotch products for your 2001+ GM truck equipped with the strong-running 6. GMPartsCenter. com Performance Suspension Specialist. There are a couple of covers that have to be removed. Silverado & Fullsize Pick-ups - No power to fuel pump relay. There is no fuse specifically dedicated to the fuel pump on this year and model of Suburban. High Oil Flow PPE Ford 6. I removed the engine, had it rebuilt, and put it back in the truck. Today(2 days later) I went to crank it and I could no hear the pump. I ran out of gas a couple too many times (yes, i'm aware that it's not good) and a couple weeks ago on the way home, it just randomly sputtered out like it was running out of gas. You need a voltmeter, or at least a 12V test light. Blown fuel pump relay (Relay is energized by PCM to route power to fuel pump when ignition is on). - Answered by a verified Chevy Mechanic. can anyone help?. We have done the following, Changed the fuel relay, Fuel pump is working, when we unhook the wires we can prime the fuel pump with a battery fuel comes out. We offer the most complete selection of restoration parts, styling and performance upgrades, and accessories for your classic truck. If no power or ground then. This is a typical wiring diagram for a standard relay installed for headlights, horn, fuel pump, electric fan, etc. G6 is the fuel pump. Is this pump supposed to run when the engine is running or just when the engine is starting?When i bled out my fuel system,i disconected the starter wire so the engine wouldnt turn over. Replaced MICRO Relay large looking fuse from under hood #18 on panel chart no compression e. It would not start, and all lead to the fuel pump. Here's how to perform the test. (I have no power to the fuel pump fuse, ever. Every time it dies I repeat the procedure and it starts back up. There will be no "vigorous clicking" a fuel pump or circuit opening relay (note word order there is no 'open circuit' relay, there is a 'circuit opening' relay). Fuel pump relay. If you own a 1947-1972 Chevy or GMC Truck, you've come to the right place!. Guess I have a new fuel pump and relay at least :). To optionally reset the codes once in manual mode, press and hold RESET until it displays "NO CODES". The tester fits most systems, except for Bosch, CIS-Jetronic, and GM throttle body systems. A jumper wire to the pump turns pump on but truck still will not start. Body Control Module (BCM) LT HI BEAM Fuse. The (master) tech there said there was no power to the fuel pump relay, and when he jumped power from the battery to the fuel pump relay it started and ran fine. Below are a number of telltale signs that your car's fuel pump relay is acting up. You need a voltmeter, or at least a 12V test light. The pigtail plug on the new fuel pump has two wires, grey and purple. Ground at tank has been checked and ruled out. Engine Shut Off Going Down The Road Now It Won't Start. The relay wires should have ground on two wires, power on one wire and switched power on another wire. P1236 Fuel Pump Control out of range. Replace relay with jumper wire (paperclip) truck runs like new with. Throttle Body. Fuse Panel Layout Diagram Parts: floor parcel tray, auto only, manual only, power circuit, 30 amp circuit braeaker, power seat, fog lamp relay, mirror lamp,ignition, over speed warning, cruise control, defogger timer, electric shift transfer case, 4 wheel drive indicator, wiper/washer, switch lamp. Ford usually has it on either inside left or right rear trunk fenders. Normal resistance is between 3-8 ohms at 20C (68F). I pretty much have completely rebuilt the truck or am in the process of. The oil pressure sending switch supplies power to the pump (pre 99) through a relay so check them also. Ground at tank has been checked and ruled out. Unfortunately, even with the best of care, some engine parts will eventually require replacement. The cost of the repairs amounted to $642, and was not covered under warranty. 32 GPH Holley Mighty Mite Electric Fuel Pump, 4-7 PSI. Locate the fuel pump power wire coming from the fuel pump relay as shown in Diagram #4. No start, then take a chance on the. Silverado & Fullsize Pick-ups - No power to fuel pump - This is my first post on this forum and I hope that someone of you might be able to identify the problem of no power to the fuel pump. BUT when we jump the fuel pump the truck still doesn't not. I've also checked the fuel pump relay which seems to be working aswell. 87 Chevy Pick-up, Fuel Pump Problems Q: I have an '87 Chevy pickup that won't start. Classified ads, photos, shows, links, forums, and technical information for the Volkswagen automobile. I had two bent valves. Remove spare tire to get to it. It does sound like you may have a problem with the fuse block at the right strut tower. Accelerator control 6. The fuel tank pressure sensor is part of the fuel pump assembly and is mounted on top of the tank or inside the tank. Power to the relay is routed through the oil pressure switch to kill the pump if the engine is not running (a safety measure to cut off the fuel in an accident). The regulator maintains a preset pressure to the fuel injection system, which is 55 to 62 psi (or 48 to 54 psi on engine VIN code Z). The pink wire should be the fuel pump wire, the tan/white wire is for the sending unit, ground the test light to a good clean section of the frame (grind it shiney to be sur. It's just a redundant power supply to the fuel pump. Fuses and relay Chevrolet Aveo 2011-2016. No TIPM programming is required since we're simply removing and replacing the faulty relay. 1995 silverado starter turns but fuel pump doesn't run. first off, 1996 chevy 1500 vortec engine 4. Fuel Pump Wiring Diagram. browse photos, prices and more for Power Pump, buy now!. P1232 Low Speed Fuel Pump Primary circuit failure. × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. Our goal is to help you cool your specialty vehicle in a more informed way with parts specially designed for street rods, sport trucks and performance cars. Hello, the pcm powers the fuel pump relay, thus powering the fuel pump. The fuel pump relay of a 1983 Chevy Camaro can be found inside the relay fuse block. Fuses and relay Chevrolet Aveo 2011-2016. 7 engine and automatic transmission. 1997 Chevy Fuel Pump Relay Wiring Diagram -- welcome to our site, this is images about 1997 chevy fuel pump relay wiring diagram posted by Alice Ferreira in 1997 category on Oct 31, 2019. If you do not hear this clicking or humming noise, you should check the Chevrolet K1500 fuel pump relay. checked power to pump. This is how I know it is not getting any power. took me a long time to get it to fire even after i put 5 gallons of gas in the truck, it would turn and muffle a little bit then it would die. Electric fuel pumps for fuel injection requires a relay to carry the current because it's operated by the car's computer and that would be too much current. Advance Auto Parts is your source for quality auto parts, advice and accessories. The truck has a fuel pump relay that supplies power to the fuel pump when: - Anytime the ECM receives a distributor reference pulse. Continuity test if power wire from fuse box to plug at pump check out good. If you own a 1947-1972 Chevy or GMC Truck, you've come to the right place!. I have a 99 Silverado 5. The injector fuel control systems have a electric fuel pump, located in the fuel tank on the gauge sending unit. P1231 High Speed Fuel Pump Relay activated. The oil pressure sending switch supplies power to the pump (pre 99) through a relay so check them also. Get targeted search results for your check engine light. Models ranging from 14,500GVW to 33,000GVW. found some good instruction on checking the pump instructions----- Unplug the fuel pump connector by the tank and check for power with a test light while someone turns the key to on. Contributed By: Enginebasics. truck cranks, no power to fuel pump, when i short the fuel pump relay, pump runs, still a no-start, checked and no power to ecm fuses (ECM-I, ENG-I). If voltage and ground are not present while the vehicle is being cranked, check to see if the fuel-pump relay is being. " During a 30 mph frontal impact into a rigid barrier. All the components of the Hilux are made to withstand the most rigorous tests. Fuel filters. Having been online since 1999 makes a huge difference -- incredibly fast shipping from our network of auto parts warehouses, hundreds of millions of new, aftermarket, OEM, replacement, performance, and discount auto parts, and that's just the beginning. You can plan local FSC meets in the Events Planning sub-forum and then tell us how it went in the Wrap Up sub-forum located inside. There is no power to the wire at relay when key is in run. Throttle Body. If hose comes loose, loss of power steering and power brakes would result. Not sure which Duramax Diesel you have?. now heres the kicker. Therefore, the problem lies in the fuel pump / DME relay, the DME computer, or loss of the signals to the DME computer which cause the fuel pump to start or remaining running after it starts. Fuse box diagram Chevrolet Captiva 2006-2011. 87 Chevy Pick-up, Fuel Pump Problems Q: I have an '87 Chevy pickup that won't start. Some European wiring diagrams are available also. m, so I powered it up with a power probe. im getting spark and it has a brand new fuel tank, pump and filter. (Engine running / engine cranking) - The key is turned on engine not cranking – relay applied for 2 to 20 seconds (most trucks 2 seconds), depending on emissions equipment. How To: Lift the bed of a Chevrolet S-10 pickup truck for easy access to the fuel pump How To: Make an external fuel tank and pump for starting dead cars How To: Diagnose an electrical problem with a fuel pump on an LLV postal truck How To: Install a BedRug pickup bedliner. If figured the fuel pump sucked maybe 7 to 10 pounds but since its was unregulated, i. When putting in an aftermarket fuel pump or looking to get more fuel out of your factory pump, one mod worth doing is re-wiring that fuel pump. GM knows of no crashes or injuries. NOTE !! Only reset the codes IF you want to - it is NOT necessary to do this. A quick check found no fuel pressure and a code P0231 (low voltage on fuel pump monitor circuit). The electric fuel pump ran when i turned the key to the start position,but with the key to on the pump wasnt running. Chevy never had a fuel reset button on any of there trucks. Fuse is good as well. For the last few months I noticed that if I hopped in and tried to start it immediately it would crank for aces seconds 5-10 before it started. The relay wires should have ground on two wires, power on one wire and switched power on another wire. ) I only have one wire leading to the oil pressure switch. REAR DEFOG Relay - BATT 3. The pigtail plug on the new fuel pump has two wires, grey and purple. FAN 3 Relay - Engine Cooling Fan - Right. Most Reliable Inventory of Classic Ford Truck Parts. The ground and fuel-level sensor return both use a black wire. Fuel Pump Relay Wiring Diagram For Chevy/GMC pickups. The new frame also contributes to improved handling and ride comfort, working hand-in-hand with the new suspension and gear ratios. We weren't getting fuel pressure initially, and we thought that may have been the issue at first. Relay 5 Relay 4WABS Relay No. These trucks are very sensitive to fuel pressure at Key-On. 7 List of what I have done so far: Used a jumper from battery to pump and verified pump runs Confirmed a ground at pump Performed continuity test on power wire to the fuel pump from fuse block all good Paperclip jumper where fuel pump relay is on fuse block and truck runs like new. We checked the main relay and it checked out fine. Walbro performance fuel systems are designed to deliver the speed, power, torque and reliability you expect. Automotive basic wiring diagrams are available free for domestic and Asian vehicles. Step 1 - Prepare the Settings. still no luck. ) The Engine Stops Shortly After Start-Up One of the most common. Description: This is the AirDog II-4G DF-100 fuel system for the 1992-2000 Chevy 6. I am having similar problems with my 89 Chevy 454. now i have no power to fuel pump. A/C CMPRSR Relay - A/C CMPRSR Fuse. CASE 2: The fuel pressure test gauge recorded 0 PSI. On Chevy trucks for example the oil pressure switch is wired in Parallel with the fuel pump relay creating a fail-safe system. When I power the key on I am missing that fuel pump sound and the truck turns over but no gas coming out of injectors. How to re-wire a fuel pump off a relay. 3 vortec turns over fine but won't start. It doesn't work in the tank. The 2002 Chevrolet Silverado has 1 problems reported for no power to fuel pump relay. 1993 Chevy Blazer 4WD Fuse Box Map. 2009 chevy 1500 5. 1951 Chevy Truck Parts | Chevs of the 40s has the most complete inventory of 1951 Chevy Truck restoration parts and 1951 Chevy Truck street rod parts. Contributed By: Enginebasics. it is about in the middle and there is four of the kinda in a row and the top one is the fuel pump and the fuse that runs it is the ECM B which is beside the relay on the left. Order By Description. It provides power to the fuel pump. Engine Shut Off Going Down The Road Now It Won't Start. If you have installed a Fuel Injection system in your vehicle and are having some initial issues here is a quick checklist to work from to get you started. Classified ads, photos, shows, links, forums, and technical information for the Volkswagen automobile. Make sure there are no broken circuits anywhere between the fuel pump and relay. SO, is there a relay that I can swap out for an easy start to the troubleshooting process? If I had a relay known as "good," then I should be able to rule that out? **SWAPPED WITH AC RELAY - NO CHANGE - RELAY IS NOT THE ISSUE** Also, could that little intermittent shudder been a sign that portended the doom of my fuel pump?. Relay 3 Relay Horn Relay. The TBI harness has a grey wire from the fuel pump relay that should go to the pump. It is designed for easy installation, even if you have no electrical experience. changed filters other day. I have a 99 Silverado 5. When you first turn on the key, no crank, the fuel pump should run for a few seconds then stop. This truck had a new fuel pump installed and still did not have fuel pressure. If your vehicle's engine has been exhibiting start-up problems or failing to run at peak proficiency, you may be dealing with a bad fuel pump relay. Fuse Panel Layout Diagram Parts: floor parcel tray, auto only, manual only, power circuit, 30 amp circuit braeaker, power seat, fog lamp relay, mirror lamp,ignition, over speed warning, cruise control, defogger timer, electric shift transfer case, 4 wheel drive indicator, wiper/washer, switch lamp. 9 volts then I would say the fuel pump relay has not closed or it has a bad fuse link at the starter relay. It is getting power, just seems to not be getting any fuel. There are many others that will do the same thing but the 1227747 is most well known and documented and will be the basis for this article. For some scan tools enter VIN 10th "L" 3rd "C" 8th "K". You need a voltmeter, or at least a 12V test light. Neither has a decent wiring diagram for me to figure anything fuel pump/relay related so anyone has one ?? I should mention that before the truck was together, I noticed that the fuel pump would stay running sometimes ,even after the truck was off and key out. when cranking the relay will stay energized supplying power to the pump. 1995 chevy 1/2 ton. replaced fuel pump and confirmed it was not working. I have a 1998 chevy K1500 5. Code 77- Cooling fan control relay circuit. The fuel pump relay of a 1983 Chevy Camaro can be found inside the relay fuse block. I checked and no gas was coming from injectors. From now on whenever you start the car, pause in the run position before cranking it over. GM part # 14089936 - Fuel Pump Relay. For exam-ple, the Auto Shutdown Relay is most likely to be found in Group 30, so it is shown there complete. This is the same exact pressure in my other truck with no problems and a new pump. Body Control Module (BCM) LT HI BEAM Fuse. RPM for PUMP ON = If the RPM is above this speed, the internal relay is turned on to supply full power to the fuel pump. Install the provided. REAR DEFOG Relay - BATT 3. I have a 1987 Chevy Pickup, 350 TBI. Bob Dylan wrote “The times they are a-changin'” way back in the ’60s and those words still ring true today—even for the fuel you pump into the tank of your Mustang or Camaro. Found the location for the relay, but the relay socket is EMPTY. You may be a professional that intends to look for recommendations or resolve existing issues. I decided to go to the interior fuse box, where my wiring diagrams, stated the fuel pump relay and fuse are located. It is immediately in front of the motor mount. You're answer was great but just a little misleading. We have no power to the wires that connect to the pump. If the fuel pump doesn't turn on this doesn't immediately point to the fuel pump. Time to test for voltage upstream. I have a 99 Silverado 5. I held a steel bar from the tank to my ear and had someone turn the key on with no resulting noise. found some good instruction on checking the pump instructions----- Unplug the fuel pump connector by the tank and check for power with a test light while someone turns the key to on. The fuel pump's job is pretty self-explanatory: to pump fuel from the gas tank to the engine. Chevrolet Vehicles Diagrams, Schematics and Service Manuals - download for free! Including: 1923 chevrolet car wiring, 1923 chevrolet general wiring, 1923 chevrolet superior model, 1923 chevrolet wiring, 1925 chevrolet superior model series k, 1927 chevrolet capitol and national, 1927 chevrolet capitol and national models, 1928 chevrolet general wiring, 1928 chevrolet wiring, 1928 chevrolet. There are many others that will do the same thing but the 1227747 is most well known and documented and will be the basis for this article. These trucks are very sensitive to fuel pressure at Key-On. Want deals for Power Pump, find the best value and save big. When testing another automotive relay, check the diagram on the relay, or the wiring diagram in your car repair manual, because some relay power switches come normally closed and should open when energized — usually. Ground at tank has been checked and ruled out. Most Reliable Inventory of Classic Ford Truck Parts. Want to trigger the relay off of the fuel pump relay. What role does the ecm play in giving the fuel pump power to turn on? and fuel pump but fuel pump was getting power and relay but not at tank. Chevrolet Limited Warranty and Owner Assistance Information (GMNA-Localizing-U. SO, is there a relay that I can swap out for an easy start to the troubleshooting process? If I had a relay known as "good," then I should be able to rule that out? **SWAPPED WITH AC RELAY - NO CHANGE - RELAY IS NOT THE ISSUE** Also, could that little intermittent shudder been a sign that portended the doom of my fuel pump?. Check relay circuit for open or shorts to ground. Do this by determining the power path to the pump, then undo the fuel line at the frame mounted filter, provide a suitable container to direct fuel discharge from it into, power up the pump with jumper wires for 30 seconds or so and check the volume of gas put out by the pump. From now on whenever you start the car, pause in the run position before cranking it over. I am told there is another safety switch or fuse , somewhere between ignition switch and the regulator. Fuse block-instrument panel, door lock. This model has three generations. 94 Chevy Truck fuel problems My 94 Chevy truck won't start after it was parked for a couple of months. Compression has been checked and is well with in specs. Advance Auto Parts is your source for quality auto parts, advice and accessories. The PCM controls the fuel pump relay by applying B+ to the control circuit via an internal switch called a driver. If, like me. Usually, it means the fuel pump relay has failed and hence, no power is reaching the fuel pump. Replaced fuel filter, but no pressure. CHEVROLET > 1985 > CORVETTE > 5. in your case the pcm. 3 Vortech engine. Accelerator control 6. All the components of the Hilux are made to withstand the most rigorous tests. The fuse block, can be easily mounted in the factory location. The pink wire should be the fuel pump wire, the tan/white wire is for the sending unit, ground the test light to a good clean section of the frame (grind it shiney to be sur. I just replaced the fuel pump and fuel filter. Not sure which Duramax Diesel you have?. The tester’s gauge reads 0-100 PSI, 0 to 7 bar. I have power to the pump relay but can't get at the pump without removing the tank. No voltage or low voltage, bad fuse link, bad wiring, bad ignition switch or ignition switch wiring or connections. Post truck shows, events and gatherings here. com® is the largest online marketplace for Original Equipment Manufacturer "OEM" Parts and Accessories. More fuel than necessary may be going into the engine system and flooding your engine if the relief valve isn't opening. That’s why Walbro high-performance fuel pumps and modules are developed and built specifically to meet the demands of today’s high-pressure and high-flow engines with efficient and durable performance. These trucks are very sensitive to fuel pressure at Key-On. Buy and sell electronics, cars, fashion apparel, collectibles, sporting goods, digital cameras, baby items, coupons, and everything else on eBay, the world's online marketplace. 87 Chevy Pick-up, Fuel Pump Problems Q: I have an '87 Chevy pickup that won't start. Kits and parts for steering,brakes,suspenion systems. Searched forever for an answer. The fuel pump relay's circuitry opens and sends roughly 12 volts of power to the fuel pump. If it is a 1994 and you are on the power wire for the fuel pump and you have grounded pin #6 of the self-test connector with the key in the run position and you are getting 6. 2) If all of that checks out, then you need to check if the PCM is providing a ground for the control side of the Fuel Pump Relay. Chevrolet Vehicles Diagrams, Schematics and Service Manuals - download for free! Including: 1923 chevrolet car wiring, 1923 chevrolet general wiring, 1923 chevrolet superior model, 1923 chevrolet wiring, 1925 chevrolet superior model series k, 1927 chevrolet capitol and national, 1927 chevrolet capitol and national models, 1928 chevrolet general wiring, 1928 chevrolet wiring, 1928 chevrolet. Continuity test if power wire from fuse box to plug at pump check out good. The fuel pump quit and had to be replaced, when the vehicle had just under 45,000 miles. Universal For All 12 Volt Cars , Trucks , Boats & Generators. I have power to the ignition, good fire at the coil, but when it doesn't work, I don't have 12 volts at the fuel pump. If no power is going to the pump, check the fuel pump relay. Eckler's Late Great Chevy can make the restoration, repair or upgrade of your 58-85 Full Size Impala, Bel Air, and Chevy Biscayne happen - one stop shopping - everything you need! Thanks for shopping with Eckler’s Late Great Chevy – Your home for Full size Chevy and Impala Parts!. The fuse block, voltmeter, fuel gauge, oil pressure gauge, temperature gauge, turn signal lights, high beam switch and dash. The pink wire should be the fuel pump wire, the tan/white wire is for the sending unit, ground the test light to a good clean section of the frame (grind it shiney to be sur. I can pour fuel in the throttle body and it runs. Neither has a decent wiring diagram for me to figure anything fuel pump/relay related so anyone has one ?? I should mention that before the truck was together, I noticed that the fuel pump would stay running sometimes ,even after the truck was off and key out. 92 Honda Civic, no power to fuel pump, but relay checks OK [ 3 Answers ] I have a 1992 Honda Civic That will start intermittently. checked fuses and swithed out the relay. G6 is the fuel pump. 1995 chevy 1/2 ton. If you are turning the key on then walking around the vehicle testing for voltage to the fuel pump circuit there will be no voltage and should not be power to the pump. Exide Batteries has a proud heritage and continue to be market leaders in stored energy solutions. When you turn key to on position i dont hear the fuel pump come on like usual and the lines have no pressure and are not getting fuel. SO, is there a relay that I can swap out for an easy start to the troubleshooting process? If I had a relay known as "good," then I should be able to rule that out? **SWAPPED WITH AC RELAY - NO CHANGE - RELAY IS NOT THE ISSUE** Also, could that little intermittent shudder been a sign that portended the doom of my fuel pump?. When I power the key on I am missing that fuel pump sound and the truck turns over but no gas coming out of injectors. I did not hear the fuel pump working, so I assumed it was bad. Fuel Pump Wiring Diagram. I've tested my fuel pump fuse and it is still working. Under insturment panel, rear defog. The vehicle being tested is a 1999 Chevy Suburban with no fuel pressure. The electric fuel pump is submerged in fuel inside the tank, attached to a module or hanger assembly that also includes a float and sending unit that supplies fuel level information to the dash gauge. Evaporation emission control system. Included With Fuse And Relay Box. Well I want to first thank everyone who help me with this problem and your years of experience, Well I started by tracing the wires that supplied power to the fuel pump and followed them back to a oil pressure sensor (located on the back of the engins drivers side) I unpluged it and jumped the wires and the power was there the trucked started right up so I replaced it $5. 94 Chevy Truck fuel problems My 94 Chevy truck won't start after it was parked for a couple of months. Fuel filters. So we jumped the power bypassing the relay and the pump powered up after that. 1991 Chevy Corvette - Fuel Pressure Problems Technically Speaking. Diagnostic Code Information for Caterpillar Electronic Control{1901, 1927, 1948, 144 Backup Alarm Relay 145 12 Volt DC Power Supply before fuel filter 290. 0L Turbo-Diesel that offers better fuel economy than any other pickup — 23 MPG city and 33 highway. I have a 1987 Chevy Pickup, 350 TBI. These trucks are very sensitive to fuel pressure at Key-On. The truck started and ran immediately when spraying ether into the throttle body, and died instantly when stopped spraying. Fuel Pump Relay Wiring Diagram For Chevy/GMC pickups. ok guys its been a while with no damn luck, ive looked into the fuel pump hotwire kit but cant find one for my 97 Tahoe, the pump is new and works, new relay, im getting spark, and its not a security issue, I had my mechanic test the fuel pump prime wire with 12 volts and he said he got nothing from it, its like it intermittently primes on. This relay actually checks out ok. Below are several of the top drawings we get from different sources, we hope these pictures will work to you, and ideally really appropriate to just what you want regarding the 1992 Chevy Truck Fuel Pump Relay Location is. Body Control Module (BCM) LT HI BEAM Fuse. I have seen on here others with the same problem and have tried everything. what controls it the pcm?jumped power from the fuse box back no problems. no fuel float God only know the true vacume it created. I had two bent valves. Also please check out the statistics and reliability analysis of Chevrolet Cavalier based on all problems reported for the Caval. If you are turning the key on then walking around the vehicle testing for voltage to the fuel pump circuit there will be no voltage and should not be power to the pump. After the install the truck ran great. Our goal is to help you cool your specialty vehicle in a more informed way with parts specially designed for street rods, sport trucks and performance cars. The truck has a fuel pump relay that supplies power to the fuel pump when: - Anytime the ECM receives a distributor reference pulse.