1998 K1500 Fuel Pump Ground Wire Location

Just put a one wire sender inthe hole that is the proper OHM value for your gauge, then hot wire the relay or by pass the relay all together and wire your fuel pump to come on with the key or a toggle switch. Im also not getting spark. If there are no reference pulses, the PCM turns the fuel pump off after about 2-3 seconds. 98 Chevy k1500 oil pressure issues. 16 gauge steel fuel pump mounting bracket with rubber insulating washers (both sides) for noise reduction. The wire coming from the fuel pump is the other ground wire. The fuse is called: Fuel System/Anti-theft Maxi-fuse. Due to the problem being "off and on" I still think my best chance is the ground wire connection must be loose or not a good connection, but worst case scenario, a short in the pink power wire for the fuel pump somewhere, which means running a new wire from relasy to harness under dash then new wire from harness to fuel pump. Need to replace your 1998 Chevy K1500 Truck Fuel Pump Assembly? Then shop at 1A Auto for a Fuel Pump replacement for your 1998 Chevy K1500 Truck. while I had the tank down, I noticed that whoever dropped the tank previous and did a BAD vent tube repair did not disconnect the harness from the fuel pump before dropping the tank and the connector is broken. Chevy CK Pickup 1998, Electric Fuel Pump by Onix®. You lost the ground to the frame, I fought this problem for 3 days and the only way I found it was when I was under the truck after dark feeling for the ground wire for the fuel pump, I grabbed the E brake cable and saw a spark arking from the cable to the cable guide on the frame. A fuel pump rebuild kit is needed every so often with outboard motors. That may include but is not limited to vehicles from Ford, Dodge, Toyota, Chrysler, Jeep, Ram, Chevrolet, Nissan, Mitsubishi, Mercedes, etc. that is when i noticed that somehow the ground wire was broken that goes to the fuel pump. Check the ground wire to the fuel pump and be sure it is connected to the frame at the proper location and has good continuity to ground. I checked the relay like you said and it perform like it suppose to. Checked power to the fuel pump relay and all was good, mov. I have No Spark and No fuel prime/run. Wiring Diagram (SSP) Fuel pump. Gravity Fed type pump with simple two-wire design. The fuse is called: Fuel System/Anti-theft Maxi-fuse. Disconnect sender terminal wire at dash gauge. Order Spark Plug for your 1998 Chevrolet K1500 Pickup 4WD and pick it up in store—make your purchase, find a store near you, and get directions. Stop the fuel pump using the "FP" simulation function. Tips for Diagnosing Fuel Delivery Problems by Tommy Samuels. 1A Auto has many aftermarket Fuel Pumps for your 1998 Chevy K1500 Truck and ground shipping is always free!. Chances are, JEGS has just the harness or electrical accessory you need to make your electrical job a whole lot easier. Make sure that the power is off the circuit before making any resistance checks. Learn how we and our ad partner Google, collect and use data. In looking 4 in Exhaust & K47 Intake System GM 6. 1995 System Wiring Diagrams Chevrolet - Tahoe Ground Distribution Circuit (4 of 4) TRUNK, TAILGATE, FUEL DOOR. The PCM controls the fuel pump relay. This manual covers all 1989 Chevy C and K Pickup Truck models, including half ton, three-quarter ton, one ton, 1500, 2500, 3500, extended cab, dually, two wheel drive and four wheel drive. Diode isolate each wire. i checked the fuse block also. 4Runner Forum > 3rd gen T4Rs > Fuel Pump circuit not receiving power: User Tag List think there is a bad ground at. If your vehicle's fuel economy declines, check your fuel pump for problems. So, after hearing all of that it makes me think it could be something other than the neutral safety switch, like a loose ground. 3L Powerstroke Super Duty Trucks, Excursions and Vans. The fuel gauge is wired directly to the PCM. Using a jumper wire, ground the negative terminal of the fuel pump. The black white wire is the ground for the pump. But as soon as I place the transmission fuse in, the voltage from the ignition switch drops to either 1. Keep it simple. Mounting an electric fuel pump directly to the vehicle's frame or underbody, etc. You're in luck. Best Answer: I own a shop, and think this; You are going to have to get to the wires at the tank, or as close as you can, and check two things. Choose top quality brands AC Delco, API, Action Crash, Airtex, Autobest, Bosch, Carter, Delphi, Denso, Dorman. The fuel pump remains on as long as the PCM receives reference pulses from the electronic ignition system. Need wiring diagram for k3500 with 6. There will only be power to the fuel pump for a few seconds when you first turn the key to the on position. 7L Fuel pump ground wire help - I am replacing my fuel pump and I need help on finding out where my ground connects to on the frame. That fwd tank has a 4 wire connector I assume to power both the in tank fuel pump/sending unit combo. Owner's Manual, Maintenance Schedule, Warranty Manual, Troubleshooting Guide, Technical Service Bulletins, Theft Rate, Tire Ratings, Safety Ratings, Diagnostic. Or clamp it around the pump's power wire at the fuse box, at a relay or inertia switch or at an underhood test connector. Re: What would cause a fuel gauge to peg way past full? Take an ohmmeter and see what the resitance is between ground wire and the purple wire. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. I nned some help. With a variety of sizes available. I am about frustrated trying to figure out why there is still no power getting to the plug for the fuel pump? I am thinking of bypassing the MPI relays right now. The fuel pump relay is under hood, driver side fender lining, number 15. I then traced the wire leading to the fuel pump and applied power from the battery and the fuel pump kicked in so this confirmed that the fuel pump stil works. Body Parts. Fuel Pump Relay Wiring Diagram For Chevy/GMC pickups. If the fuel filter unit has recently been removed, it is possible to connect the lines improperly at the filter. They’re usually mounted inside the fuel tank and incorporated with the sending unit assembly that supplies a fuel level signal to the fuel gauge. Pump mounting. A stream of fuel in the valley is the result which drains through a hole and drops to the ground. Then we can go from there about trouble shooting the actuall gage. Has battery voltage at the Black/White wire at the fuel pump relay. Shop safely with us online or call 888-844-3393 and buy the quality part your car or truck needs today. The vehicle used in this tech article was a 1998 Z3 with a 4-cylinder engine. the coil has no power to it. I finally got it solved. Use a gage and check fuel pressure. Mount the pump as low and as near to the tank as possible without putting it so low that it would get damaged by highway debris. To activate the fuel pump the computer actually connects one of the ground wires to complete the circuit and send power to the fuel pump. The inner rubber diaphragm can develop cracks or pin holes that effect proper fuel flow, and inner check valves and springs can break causing complete pump failure. If it is still working intermittently, you may also notice misfires or a rough running engine that may stall. 1997 Chevrolet C/K 1500 I have a 1997 chevy silverado 305 vortec, my parents bought the truck brand new and the fuel pump kept going out, it was under warrenty so they. Checked the frame ground for the fuel pump and it is seems in good order. A fuel pump relay is a high-current electrical switch operated by a low-current circuit in the PCM. I cut through my truck bed right above the fuel pump so I would have easier access to it. If the colors on the truck don't match the tank, you'll have to test them to verify each circuit. You may find another relay in your car with the same configuration — arrangement and number of terminals — as your fuel pump relay. 1990 Chevrolet single cab. Leaks on the suction side of the pump between the pump and tank (on northern trucks the fuel sending unit often rusts out on top of the tank creating leaks) Plugged pickup sock in the tank or damaged pickup unit in the tank. Buy ACDelco 15061010 GM Original Equipment Fuel Pump Control Module: Electric Fuel Pumps - Amazon. The length of the circuit is also quite long resulting in significant voltage drop before making it to the pump. AFC - Air Flow Control. Leaks on the suction side of the pump between the pump and tank (on northern trucks the fuel sending unit often rusts out on top of the tank creating leaks) Plugged pickup sock in the tank or damaged pickup unit in the tank. Where is the fuel pump located on a 1998 chevy silverado - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. If you own a Toyota Tacoma – regardless of the year – and you learn that you have to replace your fuel pump, you might be in for a bit of a headache. The wire coming from the fuel pump is the other ground wire. If you are blowing fuses I would be checking the power wire from the f-p relay back to the pump for damage causing a short. Had the same problem with the same year, same truck. If the wire has power than the fuel pump is likely dead. Replaced the relay with same results. Need wiring diagram for k3500 with 6. Buy 1998 Chevrolet K1500 Auto Parts in Canada. The fuel pump assembly failed. Get a free battery charging and engine diagnostic testing while you are in store. Pumps require approximately one amp average draw at maximum delivery. If the voltage drop is greater than the recommended reading of 0. On mine there was a splash sheild somewhat in the way. He has changed the fuel pump and sensors. The PCM provides what is called a low reference, probably a ground, which is a black wire(PCM terminal C-1 #23). 7L 2 Answers. The fuel-pressure specification between the V-6 and the V-8 engines is. If the fuse is blown, it will be broken or burned. 95 Chevy K1500 Transmission limp mode issue was created by pittspeng My main issue is that when the transmission fuse is pulled, the wire from the ignition switch provides sufficient voltage (12-14). In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!. It is wired as a redundant fuel pump power supply so if you have a bad fuel pump. If gauge now reads Full, the trouble is in the sending unit. location of compressor clutch on a 1998 dodge where is the ground wire for a 1992 ford easiest way to change a fuel pump on a 2001 chevy silverado. There was one in the truck of my old Crown Vic that I had to use when I got rear ended 2 years ago, and if someone hits me again I need to know where it is so I can start my truck again. With easy installation and 100% factory testing and approval, Carter is a leading manufacturer of complete fuel system solutions. Check the slot of ground of the fuel pump relay there's no ground in that slot, can i cut that ground put another cable and ground it to the chasis?. Whether you need a stock replacement or an improved, aftermarket upgrade, check out AutoZone’s extensive line of the best fuel pumps for cars and trucks. P0230 FORD Meaning The Engine Control Module provides ignition positive voltage to the coil side of the fuel pump relay. FUEL PUMP BACK UP SWITCH. I called a professional thinking that I'd screwed something up. one of the inserts on the connector for the fuel pump is not getting juice to it. Establish the location of the fuel pump relay on the dashboard or the engine. There's a ground strap that attaches to the frame and a ground wire that goes to the filler neck. From now on whenever you start the car, pause in the run position before cranking it over. 1 wire code identification 1 - color of wire (light blue with yellow tracer) 2 - gauge of wire (18 gauge) 3 - part of main circuit (varies depending on equipment) 4 - main circuit identification wire color code chart color code color standard tracer color bl blue wt bk black wt br brown wt db dark blue wt dg dark green wt gy gray. PCM Connector: Blue (C1) 1998-99 In this article, you'll find the Pin Out descriptions of the 4 PCM Connectors for the 1998-1999 GM 4. Fuel Pump Relay Control - The computer on GM fuel injection systems is designed to control a fuel pump relay. It’s a snap to install. Make sure you use a 10 gauge wire or bigger, because the longer the current has to travel the bigger chance of a fire. The wiring aspect of any LS swap is undoubtedly the most difficult. 8 L- Engine - Motronic Multiport Fuel Injection (MFI)/103 kW, code AES, from September 1998. If relay clicks - and no power to fuel pump - check ECM B 20 amp fuse in under-hood bussed elect center. You have come to the right place if you need new or replacement parts for your 1998 K1500. The relay solenoid gets it ground thru the ECM. I changed the fuel pump on my 1996 GMC Sierra earlier in the year. With the key on it should get 12 volts for 2 seconds then open until the car is cranking. Loose or corroded wiring connections in the pump circuit, a bad relay or low system voltage can all affect the operation of the fuel pump. The black is chassis ground and the other is 12 volts from the fuel pump relay. The contact owns a 1996 Chevrolet K1500. Circuit Description. there are 4 ports in the connector. Stop by your local AutoZone and ask our staff how you can benefit from a new fuel pump or order online and enjoy Free Shipping on purchases of $75 or more. I didn't even think about the ground wires being a problem. VOM connected across the plug at the pump shows 12v thru the pump's ground wire. Electric pumps were designed to push fuel, not pull it. I ran into the same issue with my son's truck when replacing the fuel pump and that's all it was after a couple hours of trouble shooting more complex issues. 7L vortech and what keeps happening is my fuel pump stops pumpingI have tried taking it to a dealer and they said that the only thing wrong is the fuel pump and changed it (that pump lasted 2200 miles)I am on my 9th pump I have tried EVERY brandit runs perfect for the 1st 15 starts after that you have to cycle the key 3-10 times to build up. The vast majority of vehicles will have either an automatic or. If not within the specification, inspect the following:. If there are no reference pulses, the PCM turns the fuel pump off after about 2. But while it is hooked up the fuel injector is wide open. If you are having trouble firing up your engine or you suddenly experience strange idling while on the road, it could be that your fuel pump is on its last legs. You have come to the right place if you need new or replacement parts for your 1998 K1500. It's important to familiarize yourself with the warning signs of a faulty fuel pump—that way you can address any problems before it's too late. Truck stopped running, it will crank and idle for 3-5 seconds and during that time the injectors are firing but barely any fuel coming out. wire? Also wondering if a toggle switch connected to the jump would work well, because if the jump causes the fuel pump to. The fuel gauge is not one to be afraid of and most problems can be solved with the proper ammunition!. That may include but is not limited to vehicles from Ford, Dodge, Toyota, Chrysler, Jeep, Ram, Chevrolet, Nissan, Mitsubishi, Mercedes, etc. If it shows high or infinite resistance after unplugging the fuel pump, replace the shorted fuel pump. I was just wondering where the fuel pump cutoff switch was located. Question: My truck won't start unless I hook the battery straight to the fuel injectors. Check the fuel pump fuse. Fuel Pump Failures. I changed the fuel pump on my 1996 GMC Sierra earlier in the year. In an automobile, the ground is the return path for power to get back to the alternator and battery. I've replaced plugs, plug wires, cap, rotor, and fuel filters to no avail. Now have a helper turn the key to start and crank the engine over. 0 show four wires to the fuel pump relay and my car has 4 wires but one of them is green not org/lt blue. location of compressor clutch on a 1998 dodge where is the ground wire for a 1992 ford easiest way to change a fuel pump on a 2001 chevy silverado. I've tested all related wiring (wires at pump, relays, etc. one 3/8"=supply one 5/16"=vent, and one 1/4"=return. I have No Spark and No fuel prime/run. Our most popular BOOST-A-PUMP® has always been the “Universal Splice” Kit. Mount the pump as low and as near to the tank as possible without putting it so low that it would get damaged by highway debris. That’s it!. With the key on it should get 12 volts for 2 seconds then open until the car is cranking. Problem with ground wire from fuel pump connection to truck frame 20 Answers. We use cookies to give you the best possible experience on our website. The fourth is the power wire going to the fuel pump. Find 1998 GMC K1500 SUBURBAN Fuel Pumps & Regulators and get Free Shipping on Orders Over $99 at Summit Racing! In-Store Pickup Location. I would be very interested to know what the cure for yours is. NOTE: For other PCM pin-out charts, take a look at the following:. The ground wire from the pump may not be getting a good ground at the frame where it hooks, or the ground wire from the battery to the frame is not making a good connection. It sends a ground signal to the fuel pump relay. Fuel Pump A3500M for Chevy Silverado 1500/2500/3500 GMC Sierra 1500/2500/3500/C3 Denali with 2 Electrical Connectors E3500M Fuel Pump Assembly for 1997 1998 1999. Testing fuel pump. There's a ground strap that attaches to the frame and a ground wire that goes to the filler neck. FUEL PUMP BACK UP SWITCH. Advance Auto carries over 3,805 aftermarket parts for your 1998 Chevrolet K1500, along with original equipment manufacturer (OEM) parts. you can get oem spec galvanized replacement fuel tanks at the lins below. 95 Dorman 904-104 Fuel Pump Driver Module. Ground Straps are an often overlooked part of the electrical system. 1 wire code identification 1 - color of wire (light blue with yellow tracer) 2 - gauge of wire (18 gauge) 3 - part of main circuit (varies depending on equipment) 4 - main circuit identification wire color code chart color code color standard tracer color bl blue wt bk black wt br brown wt db dark blue wt dg dark green wt gy gray. Universal design for most import 4 & 6 cylinder carburetor applications. The fuel pump remains on as long as the PCM receives reference pulses from the electronic ignition system. So the fuel pump went bad and we got a new one, Doesnt work Checked relays- theyre good Electrical is reaching pump because the float is working to measure fuel level ,but pump not engaging (tested it in a milk jug) they should both function because theyre part of the same harness right?. 1998 chevy 1500 5. Problem with ground wire from fuel pump connection to truck frame 20 Answers. wiring diagram for 1998 chevy silverado - Google Search. 2L engine is equipped with a dis-tributorless ignition. Fuel Injection In-Tank Fuel Pump Replacement Instructions. I moved over to the blue PCM connector and un-pinned the solid purple wire at the pin #9 location, which is what sends a signal from the PCM to the gauge, as we saw yesterday. I have a 98 k2500 with a 454, 130,000 miles on it, and am having issues with random misfiring under a load. With the key on it should get 12 volts for 2 seconds then open until the car is cranking. Turn the ignition switch to off to stop the fuel pump. 95 Dorman 904-104 Fuel Pump Driver Module. Find 1998 GMC K1500 SUBURBAN Fuel Pumps & Regulators and get Free Shipping on Orders Over $99 at Summit Racing! In-Store Pickup Location. For the most part my truck has been fine b. 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. I finally got it solved. Covers 89-99 Golf and Jetta, 90-97 Passat, all Cabrios, Corrados, and EuroVans. When the fuel pump fails, the engine will crank but not start. Pain to get at but if you use a racheting wrench it is ok. The rear body ground cluster is on the top of crossbrace right behing the tank. Because the sequential injection is killing the misfiring cylinder’s fuel delivery and no fuel is being burned in that particular cylinder, the total amount of exhaust emissions are not being raised considerably even though the engine is misfiring. Wiring Diagrams - Toyota 4Runner 1989 Fuel Pump Wiring Diagrams here are some wiring diagrams for Toyota 4Runner Fuel Pump, The fuel pump wiring consists of: Electronic Fuel Injection Main Relay, Fuse EFI 15A, Ignition Switch, Engine Check Connector, Circuit Opening Relay, Fuel Pump, Switch, Clutch Start, Neutral Start Switch, Battery and Main Fuse 40A. The fuel gauge is wired directly to the PCM. Need fuel pump wiring diagram of 1999 Chevy Silverado. The signal is only present for two seconds at key on. If the fuel pump wiring is not done correctly, the pump will not work, and the engine will not run. A better solution is to use an amp clamp on the positive wire of the fuel pump. You need to locate the exact location of the fault to rectify the problem. I'm wiring up my 12v carter fuel pump and using a relay connected to a toggle switch on dash. If relay clicks - and no power to fuel pump - check ECM B 20 amp fuse in under-hood bussed elect center. They’re usually mounted inside the fuel tank and incorporated with the sending unit assembly that supplies a fuel level signal to the fuel gauge. Put the key on without starting the engine. Where is the fuel relay located on a 1999 Honda Accord EX Coupe? Pics? The radio dose not turns on honda accord 1998. The ground for the fuel pump may be larger gauge wire that the fuel tank sender ground wire. Keep it simple. The yellow wire is the fuel tank sender to the fuel quantity gage. Set your digital volt meter to 20V DC, put the red probe to the suspected wire, then ground the black probe to the chassis. Our most popular BOOST-A-PUMP® has always been the “Universal Splice” Kit. The most common gauge problems are either a bad ground at the tank, or a sender problem. This impression (Gmc Sierra 1500 Questions - Location Of Fuel Pump Relay And Fuse) over can be classed along with: 1998 chevy silverado 1500 fuse box diagram, 1998 chevy silverado interior fuse box diagram, 98 chevy 1500 fuse box diagram,. I moved over to the blue PCM connector and un-pinned the solid purple wire at the pin #9 location, which is what sends a signal from the PCM to the gauge, as we saw yesterday. 1998 Chevy 1500 Fuel Pump Replacement - Duration: F150 fuel pump wiring harness install / Spectra fuel pump - Duration: Low Fuel Pressure from a bad fuel pump ground (Ford Ranger. The vehicle was towed into a Chevrolet dealer, for service due to a crank but no-start issue on January 29, 2004. As we said earlier, fuel pumps are difficult to get to--in most modern cars they are mounted inside the fuel tank. My next step would be onto the fuel pump itself, had all the electrical tests above yielded negative results. drill screw holes, sand edges, paint, and screw. And also replace the fuel filter there are no other reasons why a fuel pump would. PCM Connector: Blue (C1) 1998-99 In this article, you'll find the Pin Out descriptions of the 4 PCM Connectors for the 1998-1999 GM 4. Problems with Fuel pump Chevrolet Blazer 1997 an replace the wiring harness supplied with the new fuel pump. Make sure that all the ground places are clean and shiny bare metal: no paint, no. The PCM provides what is called a low reference, probably a ground, which is a black wire(PCM terminal C-1 #23). WHY? The power circuit for the fuel pump in the Fiero has to travel through several connectors before making it to the fuel pump. The inertial fuel shutoff switch is between the relay and the fuel pump. Oil pressure switch wiring gray wire, fuel pump prime wiring over behind the A/C and alternator area also a gray wire with a single cavity connector on the end of it, a splice S115 for those two wires just mentioned and the long run to the back of the car. Includes an internal relay. Onix Automotive builds quality into every pump and does it at affordable prices. On all Speed Scene Wiring fuel injection wire harnesses, the right side (passenger ) intake manifold injector bank 2, 4, 6, 8, evens will have a Green wire controlling the pulsed ground to the injector. 1998 Ford F250 7. Seals in the pump have the tendency to collapse if it's cold. There will more than likely be an ECM pinout on diy-efi. Electric fuel pumps are used in fuel injection systems. Shop safely with us online or call 888-844-3393 and buy the quality part your car or truck needs today. It is definitely one you do not want to repeat. Carter delivers OE fit, form and function through a broad line of fuel pumps and accessories for the professional installer. It is definitely one you do not want to repeat. This manual covers all 1989 Chevy C and K Pickup Truck models, including half ton, three-quarter ton, one ton, 1500, 2500, 3500, extended cab, dually, two wheel drive and four wheel drive. there are 4 ports in the connector. If fuel shots out easy, there could be debris stuck in it, or it could just be bad. Given: Delphi FG0053-2 New Fuel pump installed won't pump gas. There was 2 extra wires that wasnt used and he taped them off. 1998 4x4 v6 The fuel pump will not turn on. The fuel pump driver module modulates the voltage to the fuel pump (FP) to achieve the proper fuel pressure. I'm not sure where this pump is located but if you can sometimes tap on the pump and see if it responds. There are a variety of symptoms that can, however, give you plenty of warning that your Chevy fuel tank is moving towards failure, allowing the alert driver to avoid dealing with the hassle of being stranded with a vehicle that will not start at all. Sudden trouble accelerating can also be a sign that you have a bad fuel pump. I'm wiring up my 12v carter fuel pump and using a relay connected to a toggle switch on dash. ground wiring diagram for a 2000 jeep grand 4. Vapor Lock. The black white wire is the ground for the pump. How to Convert Any in Tank Electric Fuel Pump to an External Inline Pump : Cost: £35. 4Runner Forum > 3rd gen T4Rs > Fuel Pump circuit not receiving power: User Tag List think there is a bad ground at. Jumping GMC fuel pump relay. Onix Automotive builds quality into every pump and does it at affordable prices. Most Hondas/Acuras use yellow and a stripe for the fuel pump wire. 5 PSI, 28 GPH. Fuel Injection In-Tank Fuel Pump Replacement Instructions. If that's right, then check the wiring going to the gauge for excessive resistance. I have replaced the cap, rotor, plugs and wires, and the issue has come back after only a few hundred miles. The fuel pump current can be measured by inserting an ammeter in series with the fuel pump load circuit at the fuse block and measuring current while the fuel pump is running. When the PCM needs to turn on the fuel pump, it energizes the fuel pump relay. Tug on wire in back to see if it comes out, if not, repeat process until tab is released. Best Answer: I own a shop, and think this; You are going to have to get to the wires at the tank, or as close as you can, and check two things. testing fuel flow on a CPI engine. You should have a spark!. Begin the test by remov-ing the coil wire from the distrib-utor and securely ground it to prevent the engine from starting. One wagon and one sedan. [2] Use yellow/black for the drivers door found in the drivers door harness, and gray/red for the passenger door found in the passenger door harness. 5 amp circuit breaker. I'm not sure where this pump is located but if you can sometimes tap on the pump and see if it responds. im getting spark and it has a brand new fuel tank, pump and filter. This works for vehicles that use a pulse-width modulated voltage supply to the pump. Wiring a Fuel Injected 5. The black white wire is the ground for the pump. 1998 Chevy Silverado Wiring Diagram. How to Test for a Faulty Fuel Pump on a Saturn S Series. Need to check a few things but I think the heavier red wire in the "empty" terminal COULD be an earth ground (as opposed to circuit ground). The plug has four wires -- purple, white, black, black/white -- and I could not find a wire diagram for it in my Chilton's manual. If one is not available, there’s an alternative test that can be per-formed after the plenum is re-moved. I’m sure you probably just have a bad fuel pump that doesn’t have enough pressure or volume to start the truck, but at running speed can keep up. What fuse is blowing & does that cause the engine to die?. The electric fuel pump in a 1998 Chevrolet Silverado is controlled by the powertrain control module, or PCM. Fuel Pump Wiring Diagram. Ok im getting closer I can feel it, I have been testing alot of wires and I did find a problem with the wiring harness connection some kind of black dielectric gel many years old and kinda dried up it wasn't making good contact I finaly have power to the fuse panel but there is still no power to the brand new fuel pump where the wires connect to the pump. A combination of fuses, relays, and wiring are used to control the fuel pump's operation for multiple purposes on your Jeep. The vehicle was towed into a Chevrolet dealer, for service due to a crank but no-start issue on January 29, 2004. 1986 Chevy Camaro Fuel Pump Relay Location; 1997 Chevy K1500 Wiring Harness Diagram; 1995 Ford F 150 Fuse Box Diagram; 2001 Infiniti Qx4 Crankshaft Position Sensor Location; Honda Rebel Wiring Diagram; 2002 Chevy Trailblazer Engine; Range Rover Fuse Box Diagram; Saturn Vue Transmission Dipstick Location; Car Stereo Amplifier Wiring Diagram; Vw. Shop online and save up to 80% on 1998 Chevrolet K1500 Auto Parts in Canada Air and Fuel Delivery. I put another fuel pump in and nothing. According to the wiring diagram gods, that cable runs from tank to PCM with no change in the color of those. Cut 1/16" plate steel 2" oversize in this case it was 10"x17". If there are no reference pulses, the PCM turns the fuel pump off after about 2-3 seconds. The signal is only present for two seconds at key on. Wiring Diagrams - Toyota 4Runner 1989 Fuel Pump Wiring Diagrams here are some wiring diagrams for Toyota 4Runner Fuel Pump, The fuel pump wiring consists of: Electronic Fuel Injection Main Relay, Fuse EFI 15A, Ignition Switch, Engine Check Connector, Circuit Opening Relay, Fuel Pump, Switch, Clutch Start, Neutral Start Switch, Battery and Main Fuse 40A. Discover ideas about 1998 Chevy Silverado Fuel Pump Relay Wiring Diagram Agnitum Me And See more. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls. If your fuel pump is no longer turning on or is failing, you may hear a whining noise or no noise at all from the fuel tank. Customer responsible for return shi. With Wiring Harness. I cut through my truck bed right above the fuel pump so I would have easier access to it. fuel pump not engaging on 1998 gmc k1500 5. Choose top quality brands AC Delco, API, Action Crash, Airtex, Autobest, Bosch, Carter, Delphi, Denso, Dorman. These are the steps I went through to run the motor shown to the right. Fuel Pump A Control Circuit High. According to the wiring diagram gods, that cable runs from tank to PCM with no change in the color of those. 1998 4x4 v6 The fuel pump will not turn on. Tests/Procedures:1. Could it be the fuel pump relay and could I jump it with 18 G. If lighted, then replace pump, if not lighted replace relay providing you have 12v at Terminal A. 9 360ci 4x4 Automatic Trans w/4x4 floor stick. TEST 4: Bench Testing The Fuel Pump Relay Bench testing the fuel pump relay is pretty easy and in this test section I'll explain the test. ) and it's all right/good. Cut 1/16" plate steel 2" oversize in this case it was 10"x17". Fuel Pump Wiring Diagram. Find 1998 GMC K1500 SUBURBAN Fuel Pumps & Regulators and get Free Shipping on Orders Over $99 at Summit Racing! In-Store Pickup Location. The yellow wire is the fuel tank sender to the fuel quantity gage.