GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the headlight system check?

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Go to Step 2

Go to Headlight System Check

2

  1. Disconnect the inoperative headlamp.
  2. Turn the headlamp switch ON.
  3. Connect a test lampJ 35616-200 from CKT 12 (TAN) at the LH headlamp to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Connect a test lampJ 35616-200 from CKT 12 (TAN) at the LH headlamp to CKT 250 (BLK).

Does the test lamp light?

--

Go to Step 5

Go to Step 6

4

Repair open in CKT 12 (TAN) between headlamp and S105.

Is the repair complete?

--

Go to Headlight System Check

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5

Repalce the headlamp Sealed Beam Headlamp Replacement Headlamp Replacement .

Is the repair complete?

--

Go to Headlight System Check

--

6

Repair open in CKT 250 (BLK) between headlamp and S104.

Is the repair complete?

--

Go to Headlight System Check

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