GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the headlamp system check?

--

Go to Step 2

Go to Headlight System Check

2

  1. Disconnect the inoperative headlamp.
  2. Turn the headlamp switch ON. Connect a test lampJ 35616-200 from CKT 11 (LT GRN) 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 11 (LT GRN) 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 11 (LT. GRN) between headlamp and S106.

Is the repair complete?

--

Go to Headlight System Check

--

5

Replace 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

--