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Gauge Control Module Input Test

Gauge Control Module Input Test

1. Turn the ignition switch OFF.
2. Remove the gauge control module.




3. Disconnect the gauge control module connector A (20P) and B (28P).
4. Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.
- If the terminals look OK, go to step 5.




5. Reconnect the connectors to the gauge control module, and make these input tests at the connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 6.




6. Disconnect the connectors to the gauge control module connector A (20P) and B (28P), and make these input tests at the connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the gauge control module must be faulty, replace it.
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