Where is the fuel pump relay in a GMC Sierra 1500?
Where is the fuel pump relay in a GMC Sierra 1500?
The control module under the truck box took the place of the fuel pump relay or fuel pump regulator. It is a 5″×5″ flat box about 1/2 in. Thick bolted up under the box. Remove spare tire to get to it. 9 people found this helpful. Remember: There is nothing in the fuse box marked [Fuel Pump] location.
Where is the fuse for the fuel pump?
Were is the fuse and relay located if not in the box 23 people found this helpful. The fuel pump relay has no relay. Only a yellow 20 amp fuse for the pump. It may be marked under the plastic cover but not present. The control module under the truck box took the place of the fuel pump relay or fuel pump regulator.
Where is the oil pressure switch on a GMC Sierra 1500?
Because you have a ECM electronic control module. You only have a yellow 20 Amp fuse in the upper far right corner of the fuse box panel under the hood. Extra tip: replace your oil pressure switch. It way in the back of the motor. You need a 27mm deep well socket, 3/8 drive and a stubby flex ratchet, small hands help too.
The control module under the truck box took the place of the fuel pump relay or fuel pump regulator. It is a 5″×5″ flat box about 1/2 in. Thick bolted up under the box. Remove spare tire to get to it. 9 people found this helpful. Remember: There is nothing in the fuse box marked [Fuel Pump] location.
Were is the fuse and relay located if not in the box 23 people found this helpful. The fuel pump relay has no relay. Only a yellow 20 amp fuse for the pump. It may be marked under the plastic cover but not present. The control module under the truck box took the place of the fuel pump relay or fuel pump regulator.
Because you have a ECM electronic control module. You only have a yellow 20 Amp fuse in the upper far right corner of the fuse box panel under the hood. Extra tip: replace your oil pressure switch. It way in the back of the motor. You need a 27mm deep well socket, 3/8 drive and a stubby flex ratchet, small hands help too.
How to replace the fuel pump for a 2003 Chevy Silverado 1500?
How Do I Replace the Fuel Pump for a 2003 Chevrolet Silverado 1500? Removing and replacing a fuel pump in a 2003 Silverado 1500 truck means replacing the entire pump/sending unit module that is mounted within the fuel tank. This pump can wear out if you constantly drive your truck with the fuel level low.
Why does my GMC Sierra have a bad fuel pump?
If you get P0420 or P0430 trouble codes with a scanner, it very well may be the catalytic converter causing these symptoms. One of the best indicators of a clogged fuel pump is going to be that the your Sierra is difficult to start. This because there’s not enough fuel pressure to properly atomize the fuel as it enters the combustion chamber.
Where is the fuel pump fuse box located?
Remember: There is nothing in the fuse box marked [Fuel Pump] location. Because you have a ECM electronic control module. You only have a yellow 20 Amp fuse in the upper far right corner of the fuse box panel under the hood. Extra tip: replace your oil pressure switch. It way in the back of the motor.
How to test the fuel pump on a Chevy Silverado?
All of the following fuel pressure test gauge kits will help test the fuel pump on your Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL): As I mentioned at the beginning, testing the fuel pump simply involves connecting the fuel pressure test gauge to the fuel system.
Where is the fuel pump fuse on a 1996 Chevrolet c 1500 truck?
Where Is the Fuel Pump Fuse on a 1996 Chevrolet C 1500 Truck? The fuel pump fuse on your 1996 Chevrolet C1500 truck protects the fuel pump relay and the fuel pump motor from electrical overloads. It is rated for 20 amperes and should not be replaced with a higher capacity fuse.
What to do if your fuel pump is not working?
Check out your vehicle’s service manual to find out where to check and the proper procedure for checking it. Test for source voltage, to determine whether or not the good charge that’s leaving the fuse is getting to the pump. If no power is making it to the fuel pump, then check the fuel pump relay circuit.
Where is the fuel pump on a 1996 Chevy truck?
The fuel pump on a 1996 Chevrolet truck is mounted at the top of the fuel tank, wired and routed from several connectors at its front. The fuel pump can wear out and require replacement, but removal of the fuel tank is required. The procedure is not complex, but proper preparation can reduce the time and effort necessary.
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 check no fuel condition on GM 4.3L?
I’ve also included how to check a no fuel condition with starting fluid (although this is not the most effective way to test the fuel pump). It’s been my experience that misdiagnosing a bad fuel pump is a common occurrence on the 4.3L, 5.0L, 5.7L GM vehicles with the ‘Spider’ fuel injector assembly.
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…
How does a fuel pump relay control the fuel pump?
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. As the fuel pump relay controls power to the fuel pump, any faults with it can cause issues with the fuel pump,…
Where is the fuel pump control module located?
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. 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.
When do you need to replace the fuel pump relay?
Touch device users, explore by touch or with swipe gestures. If your engine is stalling or won’t start, there’s a chance you need to replace the fuel pump relay. If no sound is coming from your fuel pump, it’s time to inspect the pump relay or fuse to see if it’s providing any power to the pump.
How to check fuel pump signal in gmflash?
1. CONNECT PIN1 (BLACK GROUND) TO PIN16 (PINK GROUND) 2. CONNECT PIN32 (RD/WH BATT + ) TO PIN47 (GY FUEL PUMP 12+) THIS WILL POWER THE PUMP TO RUN AND CHECK FOR A FAULTY FUEL PUMP. 3. NEXT, CHECK FOR FUEL PUMP SIGNAL AT THE FUEL SYSTEM CONTROL MODULE. 4. FIND THE DARK GREEN/WHITE WIRE IN PIN13.