APPLIES TO: This simplified fuel pump circuit wiring diagram applies to the following vehicles:
- 4.8L Chevrolet Silverado: 1999, 2000, 2001, 2002.
- 5.3L Chevrolet Silverado: 1999, 2000.
- 4.8L GMC Sierra: 1999, 2000, 2001, 2002.
- 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:
Here's a small sample of the tutorials you'll find in the index:
- Resistance Specifications Of The TAC Electronic Throttle Body.
- How To Test The GM Accelerator Pedal Position (APP) Sensor 2.
- How To Test The MAF Sensor (GM 4.8L, 5.3L, 6.0L, 8.1L).
- Blown Head Gasket Test (GM 4.8L, 5.3L, 6.0L).
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