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Cruise Command System Tests

Testing is performed with Cruise Command System Tester (AM PC-1-R). Remove wire harness connector from control module. Connect tester to wire harness connector. Perform the following tests as part of service diagnosis to determine the cause and correction of system malfunction. Various tester lights are associated with specific components, circuits, etc.

Fig 1: Cherokee, Comanche, Wagoneer & Wrangler Control Switch Continuity Test Chart
G15212Courtesy of AMERICAN MOTORS/JEEP CORP.
WRANGLER CRUISE CONTROL TESTING

Conditions Lights "ON"
Control Switch "ON" & Set Switch Depressed No. 1
Control Switch "ON" No. 2
Ignition Switch "ON" & Brake or Clutch Pedal Depressed No. 3 & No. 4
Cruise Control & Resume/Accel "ON" No. 5 & No. 6
Cruise Control & Resume/Accel "ON" & Engine Running (1) No. 5 & No. 6
(1) Servo will pull throttle wide open. Keep RPM at a safe level by releasing cruise control switch.