Fuel Pump Circuit Wiring Diagram. 1999, 2000, 2001, 2002 4.8L Chevrolet Silverado And GMC Sierra. 1999, 2000 5.3L Chevrolet Silverado And GMC Sierra.

APPLIES TO: This simplified fuel pump circuit wiring diagram applies to the following vehicles:

  1. 4.8L Chevrolet Silverado: 1999, 2000, 2001, 2002.
  2. 5.3L Chevrolet Silverado: 1999, 2000.
  3. 4.8L GMC Sierra: 1999, 2000, 2001, 2002.
  4. 5.3L GMC Sierra: 1999, 2000.

This typical circuit diagram includes the following circuits: fuel pump relay and fuel pump.

You can find the fuel pump test procedure here: How To Test The Fuel Pump (1999-2006 V8 Chevrolet Silverado, GMC Sierra).

More Chevrolet Silverado (GMC Sierra) Tutorials

You can find a complete list of V8 Chevrolet Silverado (GMC Sierra) tutorials in this index:

  1. GM 4.8L, 5.3L, 6.0L Index Of Articles.

Here's a small sample of the tutorials you'll find in the index:

  1. Resistance Specifications Of The TAC Electronic Throttle Body.
  2. How To Test The GM Accelerator Pedal Position (APP) Sensor 2.
  3. How To Test The MAF Sensor (GM 4.8L, 5.3L, 6.0L, 8.1L).
  4. Blown Head Gasket Test (GM 4.8L, 5.3L, 6.0L).
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