GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Interior Lights Schematics or Body Control System Schematics

Connector End View Reference: Component Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Verify the console, glove compartment or trunk lamp is inoperative.

Does the console, glove compartment or trunk lamp operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Identify the inoperative lamp.

Go to Step 3

3

Test the inoperative lamps supply voltage circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

System OK

Go to Step 4

4

Disconnect and test the switch of the affected input circuit for correct continuity in the open and closed positions. Refer to Testing for Continuity .

Is continuity correct in both positions?

System OK

Replace the switch in the affected circuit.