Pinpoint Tests

Troubleshooting Chart, Oil Pressure Reads Inaccurate.:

C1-Verify power at fuse panel - load side.
C2-Verify power at fuse panel - feed side.
C3-Verify power at cluster.
C4-Verify ground circuitry at cluster.
C5-Test sender circuit at low.

Troubleshooting Chart, Oil Pressure Reads Inaccurate.:

C6-Check gauge response.
C7-Check sending unit / switch wiring.