94 Gmc 1500 Fuel Pump Wiring

Find the dark green white wire in pin13. Fuel pump pressure regulator and injector s checks out start checking the ignition system power to coil coil s itself distributor pick up control module cam and crankshaft. Chevrolet k1500 fuel pump strong sturdy and exceedingly capable by design your chevy k1500 is a leader in its class.

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Orange wire if you do then the engine module is not grounding the wire to energize the relay.

94 gmc 1500 fuel pump wiring. For the 1993 fuel pump wiring diagram check out the following article. This could be due to a faulty wiring or the ecm but i would also check to make sure the ecm is getting a spark signal does the ignition system work. Fuel pump relay wiring diagram automatic transmission only note. Occasionally the 1994 chevrolet 1500 might develop problems with its fuel relay system.

The illlustrations and info in this page apply only to 1994 chevrolet gmc pickups with a 4 3l 5 0l or a 5 7l engine. With a test light connected to that wire turn the key to the run position. 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. Fuel pump relay wiring diagram automatic trans.

Some simple diagnosis techniques can often resolve the problem. 1993 fuel pump circuit tests gm 4 3l 5 0l 5 7l. If so you have a fuel problem check the fuel pressure to rule out the fuel pump pressure regulator and listen to the injector s are they pulsing or hook up a noid light. 1994 95 96 97 98 99 gm truck erratic crazy fuel oil gauge needle aircore motor repair chevy gmc duration.

While troubleshooting wear protective gear and keep a class b fire extinguisher nearby. Make sure you re getting your money s worth at the pump with the purchase and installation of a new custom chevrolet k1500 fuel pump from autozone. Next check for fuel pump signal at the fuel system control module. Do you have power to the fuel pump relay.

The wiring diagram illustrations in this article cover only. 1993 4 3l 5 0l and 5 7l gmc chevrolet pickups with the 4l60 e automatic transmission for the 1994 fuel pump wiring diagram check out the following article. 1994 fuel pump circuit tests gm 4 3l 5 0l 5 7l. Wiring gm fuel pump.