1996gmc Sierra fuel pump or switch in the line. Truck won't turn over and battery dies fast

Asked by Mar 25, 2017 at 02:00 AM about the 1996 GMC Sierra 1500 C1500 SLT Extended Cab LB

Question type: Maintenance & Repair

Truck won't turn over fuel not getting
through and batt wants to die when u try
starting it too much. Is it the relay or do u
think there is a fuel cut off switch?

2 Answers


There would be a relay, fuse box under the hood. With a charge in the battery you should be able to turn the ignition key to the on position and be able to hear the fuel pump primp up, run, if power is getting to the fuel pump.

Did you test your fuel relay? Are all your pins working in that relay? If you want to check your fuel pump to see if it's working then take a thin wire and put one end into pin 30 and the other end in pin 87 tire the key and you should hear if the fuel is getting up to the engine.

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