Pinpoint Tests

Troubleshooting Chart, Temperature Gauge Reads Inaccurate.:

B1-Verify power at fuse panel - load side.
B2-Verify power at fuse panel - feed side.
B3-Verify power at instrument cluster.
B4-Verify ground circuitry at cluster.
B5-Test sender circuit at cold.

Troubleshooting Chart, Temperature Gauge Reads Inaccurate.:

B6-Test sender circuit at hot.
B7-Check sending unit circuit wiring.