Fuel Pump Circuit Wiring Diagram (1989-1990 3.3L V6 Buick Century, Olds Cutlass Ciera)

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

• 3.3L V6 Buick Century: 1989, 1990.
• 3.3L V6 Buick Century Estate Wagon: 1989, 1990.
• 3.3L V6 Oldsmobile Cutlass Ciera: 1989, 1990.
• 3.3L V6 Oldsmobile Cutlass Ciera Cruiser: 1989, 1990.

FUEL PUMP PRESSURE TEST: The following tutorial explains how to test the fuel pump with a fuel pressure test gauge:

• How To Test The Fuel Pump (1989-1993 3.3L V6 Buick, Oldsmobile).

ENGINE NO-START DIAGNOSTIC TESTS: Troubleshooting an engine no-start problem, the following tutorial explains the basics behind finding out what's causing the issue:

• How To Diagnose A No-Start Problem (3.3L V6 Buick, Oldsmobile).

1991-1993 FUEL PUMP CIRCUIT WIRING DIAGRAM:

• Fuel Pump Wiring Diagram (1991-1993 3.3L V6 Buick Century, Olds Cutlass Ciera).

More 3.3L V6 Buick Century Tutorials

You can find a complete list of 3.3L V6 Buick Century tutorials and wiring diagrams in this index:

• GM 3.3L Index of Articles.

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

• How To Test The Throttle Position Sensor (1989-1993 3.3L V6 Buick, Oldsmobile).
• How To Test The MAF Sensor (1989-1993 3.3L V6 Buick, Oldsmobile).
• How To Test Engine Compression (3.3L V6 Buick, Oldsmobile).
• How To Test A Blown Head Gasket (3.3L V6 Buick, Oldsmobile).