GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics

1

Did you perform the Lighting System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

Inspect the high beam indicator bulb for an open.

Is the high beam indicator bulb open?

Go to Step 5

Go to Step 3

3

  1. Disconnect the instrument cluster connector.
  2. Test for an open or high resistance in the high beam supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 4

4

Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Is the replacement complete?

Go to Step 6

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5

Replace the high beam indicator bulb.

Is the replacement complete?

Go to Step 6

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6

  1. Connect all connectors and components that were disconnected.
  2. Verify that the high beam indicator operates properly.

Does the high beam indicator operate properly?

System OK

Go to Step 2