Ignition System Circuit Wiring Diagram (1990 2.3L Ford Mustang)

APPLIES TO: This ignition system circuit wiring diagram applies to the following vehicles:

• 2.3L Ford Mustang: 1990.

NOTE: This wiring diagrams includes the following component circuits:

• Ignition Coil.
• Ignition Control Module (ICM).

ICM And Ignition Coil Tests: The following tutorial explains how to test the ignition coil and the ignition control module (ICM):

• How To Test The Ford Ignition Control Module (Distributor Mounted) (at: easyautodiagnostics.com).
• Ignition Coil Test -No Spark No Start Tests (Ford 4.9L, 5.0L, 5.8L).

Wiring Diagrams: You can find all of the available 2.3L Mustang wiring diagrams here:

• 2.3L Mustang Index of Articles.