Fuel Pump Relay Wiring chart (Automatic Trans. Only)

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NOTE: The illlustrations and also info in this page apply only come 1994 Chevrolet/GMC pickups with a 4.3L, 5.0L or a 5.7L engine. Because that the 1993 fuel pump wiring diagram, inspect out the adhering to article:

Fuel Pump Relay Diagnostic/Troubleshooting Notes:

FP relay terminal A (ORG wire):Should have actually 10 come 12 Volts DC with crucial On Engine Cranking or crucial On Engine running (KOER).This voltage originates from the GRY inline fusible connect located in the engine compartment junction block.FP relay terminal E (GRY wire):Should have actually 10 to 12 Volts DC once the engine is being cranked and relay has activated.FP relay terminal D (BLK/WHT wire):Should have Ground every one of the time.FP relay terminal F (DK GRN/WHT wire):Power provided by the PCM to the FP relay coil to activate the relay.

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Fuel Pump Relay Wiring diagram (Manual infectious diseases worldwide Only)

Fuel Pump Relay Diagnostic/Troubleshooting Notes:

FP relay terminal A (ORG wire):Should have actually 10 come 12 Volts DC with vital On Engine Cranking or key On Engine to run (KOER).This voltage comes from the GRY inline fusible attach located in the engine compartment junction block.FP relay terminal E (GRY wire):Should have 10 come 12 Volts DC when the engine is gift cranked and relay has activated.FP relay terminal D (BLK/WHT wire):Should have Ground all of the time.FP relay terminal F (DK GRN/WHT wire):Power supplied by the PCM to the FP relay coil come activate the relay.

Fuel Pump Wiring Diagram

Fuel Pump Troubleshooting Notes:

Oil pressure switch:If the fuel pump relay fails, what normally happens is that the oil push switch feeds power to the fuel pump and also gets the engine started and keeps the running.When this happens, the engine will certainly crank it spins the oil pressure gets up and the oil push switch closes.

Location of The Fuel Pump Relay Components

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Fuel pump in-line fuse -20 Amp.
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Junction block.
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Fuel pump relay.

Where to Buy The Fuel Pump and also Save

You can discover the fuel pump and also fuel pump strainer filter in any type of auto components store. If you"re wanting the to buy the original AC Delco (Delphi) fuel pump and fuel pump strainer filter, you deserve to buy it digital for a totality lot cheaper than somewhere local.

The adhering to links will aid you to compare shop for the AC Delco (Delphi) and also after sector fuel pump and fuel pump strainer filters:


Will the over fuel pump and fuel pump strainer filter right your details GM pickup? Don"t worry, as soon as you gain to the website they"ll make sure it fits (by questioning you the specifically, of your details vehicle). If that doesn"t fit, they"ll find you the best one.

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More GM 4.3L, 5.0L, 5.7L Tutorials

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