Fuel Injector Circuit Wiring Diagram (1990 5.0L V8 Ford Mustang)

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

• 5.0L V8 Ford Mustang: 1990.

NOTE: This wiring diagrams includes the following component circuits:

• Fuel Injectors.
• EEC Power Relay (PCM Power Relay).

Fuel Injector Tests: The following tutorial will help you troubleshoot a bad or clogged fuel injector:

• How To Test The Fuel Injectors (Ford 5.0L And 5.8L V8 Engine).

Wiring Diagrams: You can find all of the available 5.0L V8 Mustang wiring diagrams here:

• 5.0L Mustang Index of Articles.