Pinpoint Test X: Constant Control Relay Module (CCRM): Introduction: Notes

NOTE: This pinpoint test is intended to diagnose the following:

• CCRM (12B581 12B577).
• Harness circuits: B+, FC,LFC, HFC, ACCS, WAC, VPWR, ACC PWR, FAN PWR, GND.
• PCM (12A650).

Fig 1: Identifying Constant Control Relay Module (CCRM) - 3.8L/3.9L Mustang

Courtesy of FORD MOTOR CO.

Fig 2: Identifying Constant Control Relay Module (CCRM) - 4.6L Mustang

Courtesy of FORD MOTOR CO.