GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the headlamp switch to the HEAD position on the headlamp and instrument panel (IP) lamp dimmer switch.
  2. Turn the headlamp dimmer switch to the HIGH position.
  3. Use a test lamp in order to backprobe between the instrument cluster connector C2 terminal Q to ground.

Did the test lamp light?

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Go to Step  3

Go to Step 2

2

  1. Repair the following connections in CKT 11 between S219 and the instrument cluster harness connector C2 terminal Q or between C2 terminal O and ground.
  2. Inspect the system.

Is the repair complete?

--

System OK

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3

  1. Inspect the high beam indicator bulb. Refer to High Beam Indicator Inoperative .
  2. If OK, service the instrument cluster. Refer to Instrument Cluster Replacement .
  3. Inspect the system.

Is the repair complete?

--

System OK

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