GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the interior lights circuit description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Lighting Systems

2

With the key in the ignition switch, turn the lamps ON and OFF and observe.

Did the lamps illuminate and turn OFF?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

Replace the inside rearview mirror. Refer to Inside Rearview Mirror Replacement in stationary windows.

Did you complete the repair?

Go to Step 4

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4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2