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Dash Lights Brightness Controller Input Test




Dash Lights Brightness Controller Input Test

'04-09 models

1. Remove the gauge assembly. Service and Repair

2. Inspect the gauge assembly connector A (22P) 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 3.

3. Reconnect the connectors to the gauge assembly, and do these input tests at the following connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, the controller switch board or the main printed circuit board in the gauge assembly must be faulty; replace it.