Comanche 4WD L4-150 2.5L VIN P MFI (1991)
Oil Pressure Warning Lamp/Indicator: Testing and Inspection
1.
Turn ignition switch to Run position.
2.
Touch oil pressure switch terminal S to ground.
3.
If indicator illuminates, replace switch.
4.
If bulb is satisfactory, repair open to instrument cluster connector terminal B7.