When did I change the fuel pump on my GMC Sierra?
I changed the fuel pump on my 1996 GMC Sierra earlier in the year. I cut through my truck bed right above the fuel pump so I would have easier access to it. For the most part my truck has been fine but I have had problems with the ground wire coming from the fuel pump. At first I thought it was just the old rusty bolt that grounds the fuel pump
How to fix ground wire from fuel pump connection?
Same with the power wire from the relay to the fuel pump connector.You can also try sliding the wire between two fingers while slightly bending the wire to feel for a soft spot but this may not work due to the fact that it works sometimes so the bad spot isn’t real big yet. 5 people found this helpful.
How does the sending unit in a fuel tank work?
Our modern OEM Tier-1 fuel delivery expertise at the service of vintage vehicles. Visit our online catalog. The float arm of the sending unit within the fuel tank sends a signal about its position of the float. This indicates how much fuel is left in the tank.
Is there a ground strap for a fuel pump?
There should be a ground strap from the starter to the frame, and another from the same bolt to the firewall. These can also cause your fuel pump issues. make sure all are good and clean, electrical grease or CRC as recommended above.
How many Chevy 1500 fuel pumps are left?
Only 4 left in stock – order soon. . . Only 13 left in stock (more on the way). . Only 20 left in stock – order soon. . Only 9 left in stock – order soon. . Only 6 left in stock – order soon.
How to check O’Reilly fuel pump harness connector?
Read reviews for Standard Ignition 2 Terminal Multi-Purpose Connector When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures. When autocomplete results are available use up and down arrows to review and enter to select.
I changed the fuel pump on my 1996 GMC Sierra earlier in the year. I cut through my truck bed right above the fuel pump so I would have easier access to it. For the most part my truck has been fine but I have had problems with the ground wire coming from the fuel pump. At first I thought it was just the old rusty bolt that grounds the fuel pump
Where is the fuel filter located on a Silverado?
I have a 2005 silverado with a 4.8l, where would the fuel filter be located at on the truck. Ive looked every on the truck and cant find it. Second problem when I decelerate or turn the steering wheel when im stopped the engine lugs down below 500 hundred rpm.
How to check fuel pressure in a GMC Sierra 1500?
You will have to check the fuel pressure at the rail, the test port is ontop driverside about 3/4 the way back. Black cap on aluminum fuel line. The best thing would be to buy or rent a fuel pressure test gauge as it would thread onto this port. If not I’ve used good safety glasses a rag and a screwdriver to check for pressure.
Can a clogged fuel filter cause low engine pressure?
Some vehicles come equipped with fuel pressure sensors that monitor the pressure of the overall fuel system. A clogged fuel filter may cause low pressure, which will set off the Check Engine Light to alert the driver — if detected by the sensor.
Where is the connector on a Chevy fuel pump?
When you get the Delco replacement parts it comes with a new connector on the fuel pump side. The problem is the connector on the vehicle side of the harness. In the online Chevrolet repair manual I use, a Tech Tip states, the connector should be replaced with the fuel pump assembly.
Where can I get parts for my GMC Sierra 1500?
Whenever you need GMC Sierra 1500 parts, it’s a good strategy to find the most world-class replacement and OEM parts available – and if you get parts from Parts Geek you see the most affordable prices around all done with the very best in order fulfillment.
When you get the Delco replacement parts it comes with a new connector on the fuel pump side. The problem is the connector on the vehicle side of the harness. In the online Chevrolet repair manual I use, a Tech Tip states, the connector should be replaced with the fuel pump assembly.
There should be a ground strap from the starter to the frame, and another from the same bolt to the firewall. These can also cause your fuel pump issues. make sure all are good and clean, electrical grease or CRC as recommended above.
Where can I get a fuel pump harness replaced?
Replacement of the harness connector is a fairly simple operation and the parts are readily available from your GM dealer parts department. With the cost and difficulty of the repair it’s wise to follow the technical service bulletin. Take a few extra minutes and replace the connector.
How to test a GM 4.3L fuel pump?
More GM 4.3L, 5.0L, and 5.7L Tutorials. It’s very important that you start off your fuel pump relay diagnostic by first testing the fuel pump pressure with a fuel pressure test gauge. If the fuel pump relay IS NOT activating the fuel pump, the fuel pressure test gauge will register 0 PSI when cranking the engine.
How to test a GMC fuel pump relay?
TEST 1: Swapping Out The Fuel Pump Relay. TEST 2: Making Sure The Fuel Pump Relay Has Power. TEST 3: Bypassing The Fuel Pump Relay. TEST 4: Bench Testing The Fuel Pump Relay. Fuel Pump Circuit Diagram. Where To Buy The Fuel Pump Relay. More GM 4.3L, 5.0L, and 5.7L Tutorials.
How to remove a fuel pump from a truck?
Basic instructions on how to tip your bed and remove your fuel pump and sender assembly, replacement of the fuel pump from the sender unit and putting it back into the tank with gasket o-ring and lock ring. I also show video of the bolt hole locations on my short bed frame. Loading…
More GM 4.3L, 5.0L, and 5.7L Tutorials. It’s very important that you start off your fuel pump relay diagnostic by first testing the fuel pump pressure with a fuel pressure test gauge. If the fuel pump relay IS NOT activating the fuel pump, the fuel pressure test gauge will register 0 PSI when cranking the engine.
TEST 1: Swapping Out The Fuel Pump Relay. TEST 2: Making Sure The Fuel Pump Relay Has Power. TEST 3: Bypassing The Fuel Pump Relay. TEST 4: Bench Testing The Fuel Pump Relay. Fuel Pump Circuit Diagram. Where To Buy The Fuel Pump Relay. More GM 4.3L, 5.0L, and 5.7L Tutorials.
What kind of fuel pump does a Chevy Silverado have?
01-03 ChevySilverado 3500 V8 8.1L 496cid; 01-03 Chevy Silverado 1500 HD V8 6.0L 5967cc 01-03 Chevy Silverado 2500 HD V8 6.0L 5967cc; 01-03 Chevy Silverado 2500 HD V8 8.1L 496cid Always keep enough fuel in the tank for the pump to be submerged in gas.K eep the habit of fueling to your car in time.A
What is the PSI of the fuel pump?
If the fuel pump relay IS NOT activating the fuel pump, the fuel pressure test gauge will register 0 PSI when cranking the engine. If the fuel pump relay is activating the fuel pump, then it’ll register about 56-62 PSI even if the engine does not start.
Where is the fuel pump relay on a 1987 car?
Locate the fuel pump relay, it is in the engine compartment, on the top of the firewall, next to the AC evaporator or where it would be if you don’t have AC. There should be a red wire about 6 inches long coming out of the plug on the bottom of the relay that is not connected to anything.
What happens when you turn off the relay on a gas tank?
Contacts in this switch close and send 12 volts to the fuel pump. The system will stay in this configuration until you turn the key off or the engine looses oil pressure. The 3 second operation of the fuel pump by the relay is to prime the fuel system, this makes the engine easier to start.
Locate the fuel pump relay, it is in the engine compartment, on the top of the firewall, next to the AC evaporator or where it would be if you don’t have AC. There should be a red wire about 6 inches long coming out of the plug on the bottom of the relay that is not connected to anything.
Contacts in this switch close and send 12 volts to the fuel pump. The system will stay in this configuration until you turn the key off or the engine looses oil pressure. The 3 second operation of the fuel pump by the relay is to prime the fuel system, this makes the engine easier to start.
How to repair a 1988 GM Truck wiring diagram?
Access our GM Full-Size Trucks 1988-1998 Wiring Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides. Add your vehicle in Manage My Vehicles. Enter your vehicle details.
Is there a way to run a fuel pump without turning the key?
If you connect a wire from the positive battery post (using an inline fuse about 10 amps or so) to this lead, you can run the fuel pump without turning the key on or trying to start the truck. Much easer and safer way to troubleshoot.