Instrument Panel Lamps Do Not Dim. Buick GL7 (Export) 2000

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 | Inspect for a short to B+ on CKT 8. Is there a short? | Go to Step 3 | Go to Step 4

3

1. Repair a short to B+ on CKT 8.
2. Inspect the system.

Is the symptom still present?

Go to Step 5

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4

1. Replace the headlamp and instrument panel (IP) lamp dimmer switch. Refer to Headlamp Switch Replacement .
2. Inspect the system.

Is the symptom still present?

Go to Step 5

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5 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2