Comanche 2WD L4-150 2.5L VIN H TBI (1988)
Shift Light: Testing and Inspection
1. Turn ignition switch to run position.
2. Ground pin 7 of connector B.
3. If indicator illuminates, replace bulb.
4. Turn ignition switch to Off position.
5. Check for continuity between connector B pin 2 and pin 54 of engine controller.
6. If no continuity exists, repair open in circuit.
