GM Service Manual Online
For 1990-2009 cars only

Step

Action

Values

Yes

No

1

Inspect other instrument lights.

Are those lights also off?

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Go to Symptoms - Lighting Systems

Go to Step 2

2

  1. Remove the controller.
  2. Turn ON the ignition.
  3. Measure the voltage between terminal A13 and of the controller and ground

Does the voltage measure within the specified value?

11-14 V

Go to Step 4

Go to Step 3

3

Repair the wiring harness between splice S206 and terminal A13 of the controller connector or between splice S206 and terminal A14 of the controller connector.

Did you complete the repair?

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System OK

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4

Inspect the illumination bulb.

Is the bulb burned out?

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Go to Step 5

Go to Step 6

5

Replace the bulb. Did you complete the repair?

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System OK

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6

Replace the controller.

Did you complete the repair?

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System OK

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