Fuel Pump Circuit Wiring Diagram. 2003, 2004, 2005, 2006, 2007 4.8L, 5.3L, 6.0L Chevrolet Express And GMC Savana.

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

Chevrolet:

  1. Express (1500):
    1. 4.8L, 5.3L: 2003, 2004, 2005, 2006, 2007
  2. Express (2500):
    1. 4.8L, 5.3L, 6.0L: 2003, 2004, 2005, 2006, 2007
  3. Express (3500):
    1. 4.8L, 6.0L: 2003, 2004, 2005, 2006, 2007

GMC:

  1. Savana (1500):
    1. 4.8L, 5.3L: 2003, 2004, 2005, 2006, 2007
  2. Savana (2500):
    1. 4.8L, 5.3L, 6.0L: 2003, 2004, 2005, 2006, 2007
  3. Savana (3500):
    1. 4.8L, 6.0L: 2003, 2004, 2005, 2006, 2007

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

The fuel pump can easily be tested with a fuel pressure test gauge. You can find the tutorial here:

  1. How To Test The Fuel Pump (2003-2007 V8 Chevrolet Express, GMC Savana).

RELATED WIRING DIAGRAMS:

  1. Starter Motor Circuit Diagram (2003 V8 Chevrolet Express, GMC Savana).
  2. Ignition Coil Circuit Wiring Diagram (2003-2007 V8 Chevrolet Express, GMC Savana).

More Chevrolet Express (GMC Savana) Tutorials

You can find a complete list of V8 Chevrolet Express (GMC Savana) 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. Crank Sensor Test -No Spark No Start Tests (GM 4.8L, 5.3L, 6.0L).
  2. Bad Fan Clutch Troubleshooting Case Study (GM 4.8L, 5.3L, 6.0L).
  3. How To Do A Compression Test (2003-2014 V8 Chevrolet Express, GMC Savana).
  4. How To Test The Fuel Pump (2003-2007 V8 Chevrolet Express, GMC Savana).
Thank You For Your Donation

If this info saved the day, buy me a beer!

If This Info Saved the Day, Buy Me a Beer!