Fuel Pump Electrical Circuit Diagnosis: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Sonoma, 2003 GMC Safari, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Underhood Fuse/Relay Block

Courtesy of GENERAL MOTORS CORP.

Fig 2: Fuel Pump Electrical Schematic

Courtesy of GENERAL MOTORS CORP.