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Oil Pressure Gauge Inoperative

WARNING: This page is about a different car, the 1995 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to ON position. Disconnect oil pressure sender connector, located on right side of engine next to distributor. If gauge needle goes to high end of scale, go to next step. If needle does not go to high end of scale, go to step 3).
  2. Install jumper wire from sending unit wire connector to ground. If needle goes to low end of scale, replace sending unit. If needle does not go to low end of scale, go to next step.
  3. Turn ignition switch to OFF position.Disconnect negative battery cable. Remove dash pad and cluster assembly. Disconnect printed circuit connector.
  4. Probe cavity C9 of printed circuit connector and check for continuity to ground. If there is no continuity go to next step. If there is continuity, repair short circuit as required.
  5. Still probing cavity C9 of printed circuit connector, check continuity to sending unit wire connector. If there is continuity, replace gauge. If there is no continuity, repair open circuit as required.
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