GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Headlights System Check?

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Go to Step 2

Go to Headlight System Check

2

  1. Turn the headlamp and panel dimmer switch to the ON position.
  2. Move the headlamp dimmer switch to the HI position.
  3. Use a test lampJ 35616-200 in order to backprobe CKT 11 (LT GRN) cavity C at the headlamp dimmer switch connector to ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

Replace the headlamp dimmer switch. Refer to Headlamp Switch Replacement .

Is the repair complete?

--

Go to Headlight System Check

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4

Repair the open in CKT 11 (LT GRN) between the headlamp dimmer switch and splice S106.

Is the repair complete?

--

Go to Headlight System Check

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