MAF Sensor And ACT Sensor Circuit Wiring Diagram (1990 5.0L V8 Ford Mustang)

APPLIES TO: This mass air flow (MAF) and air charge temperature (ACT) sensor circuit wiring diagram applies to the following vehicles:

• 5.0L V8 Ford Mustang: 1990.

NOTE: This wiring diagrams includes the following component circuits:

• Mass Air Flow (MAF) Sensor.
• Air Charge Temperature (ACT) Sensor.
• EEC Power Relay (PCM Power Relay).

MAF Sensor Tests: The following tutorial will help you test the MAF sensor with a multimeter:

• How To Test The Ford Mass Air Flow (MAF) Sensor (at: easyautodiagnostics.com).

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

• 5.0L Mustang Index of Articles.