Comanche 2WD L4-150 2.5L VIN E TBI (1989)
Brake Warning Indicator: Testing and Inspection
1.
Turn ignition switch to Run position. Apply parking brake and disconnect brake warning switch connector.
2.
Install a jumper between brake warning switch connector terminal B and ground. If lamp illuminates and bulb is satisfactory, repair open to
indicator.
3.
Turn ignition switch to Off position.
4.
Measure resistance between brake warning switch connector terminal A and ground.
5.
If measurement reads zero ohms, check switch and/or brake system.
6.
If measurement does not read zero ohms, repair open to park brake switch ground.