Control Switches

1. Check cruise control circuit fuse and stoplight fuse. If fuses are okay, unplug 6-pin amplifier connector. Connect voltmeter between circuit No. 151 (Light Blue/Black wire) and ground (Red/Yellow wire on Escort and Tracer).
2. Turn ignition on. Press cruise control ON button. Check for battery voltage. If battery voltage does not exist, check circuit between control switch and amplifier connector. Repair circuit as necessary.
3. Turn ignition off. Disconnect negative battery cable. Connect ohmmeter in place of voltmeter. Rotate steering wheel through its full range while performing following checks:
   • Press OFF button. Resistance should be 0-1 ohm.
   • Press SET/ACCEL button. Resistance should be 646-714 ohms.
   • Press COAST button. Resistance should be 114-126 ohms.
   • Press RESUME button. Resistance should be 2090-2310 ohms.

If resistance is not within specification, isolate and check individual switches and ground. Repair or replace switches and ground as necessary. Reconnect amplifier connector.