Fuel Pump Circuit Wiring Diagram (1991 5.0L V8 Ford Mustang)

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

• 5.0L V8 Ford Mustang: 1991.

NOTE: This wiring diagrams includes the following component circuits:

• Fuel Pump.
• Fuel Pump Inertia Switch.
• Fuel Pump Relay.
• EEC Power Relay.

FUEL PUMP PRESSURE TEST: The fuel pump can be easily diagnosed as good or bad with a fuel pressure test gauge. This tutorial will show you how:

• How To Test The Fuel Pump (1990-1995 5.0L V8 Ford Mustang).

Fuel Pump Circuit Wiring Diagrams

• Fuel Pump Circuit Wiring Diagram (1990 5.0L V8 Ford Mustang).
• Fuel Pump Circuit Wiring Diagram (1992-1993 5.0L V8 Ford Mustang).

More 5.0L V8 Ford Mustang Diagnostic Tutorials

You can find a complete list of wiring diagrams and diagnostic tutorials for the 5.0L V8 Ford Mustang in this index:

• 5.0L V8 Ford Mustang Index Of Articles.

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

• How To Test The MAF Sensor (1990-1995 5.0L V8 Ford Mustang).
• How To Test The Throttle Position Sensor (1994-1995 5.0L Ford Mustang).
• How To Test For A Blown Head Gasket (1990-1995 5.0L V8 Ford Mustang).
• How To Do And Interpret An Engine Compression Test (1990-1995 5.0L V8 Ford Mustang).