Questions & Answers for: Chevrolet 1500 low voltage on fuel pump

Question about 1995 K1500

1 Answer

...voltage ) It should go low on the other side of the circuit . Watch this video on voltage drop . Voltage is not being pulled low , it should not not drop voltage till it goes through the relay coil , ...

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...voltage at pump, either to prime, or when cranking. Seems simple, but here is the head scratcher.... Car still won't stay running even with FP directly connected to 12v source. It WILL run with carb ...

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...the fuel pump harness located up in the engine compartment. All fuses are fine. What am I missing? Check All Engine and Chassis Grounds!Grounding Issues cause most Low voltage or No voltage

Question about 1996 K1500

1 Answer

turned truck off for five minutes wont start has 4 volts at plug for fuel pump changed fuel pump relay what could cause the low voltage at the plug? ignition switch or a corroded wire

...low of capacity. We really want current measurements, but in real world situations, voltage can be used to indicate current relatively. So a voltmeter across the battery should read 12.5 in theory. ...

...voltage noticed at coil pack then its faulty coil pack that has to be replaced. If all the possible options checked out ok then check the vehicle starter. The starter gets power from battery to start ...

...low, the scan tool may reset during the cranking test. This step tests the ignition relay for proper operation. The ignition relay supplies voltage to the injectors and the ignition coils. When the ...

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