Comanche 2WD L4-150 2.5L VIN E TBI (1989)
Four Wheel Drive Indicator Lamp: Testing and Inspection
1. Apply parking brake with engine running and vehicle in 4WD lock or 4WD.
2. Unplug switch and touch harness side of wire to ground. If lamp illuminates, check switch operation. Replace if necessary.
3. If bulb is satisfactory, repair open to indicator.
