GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Tools Required

    • J 39200 DMM
    • J 35616-200 Test Light

1

Did you perform the Interior Lamps System Check?

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Go to Step 2

Go to Interior Lamps System Check

2

Turn the headlamp and the panel dimmer switch to the PARK position.

Are the park lamps and all of the component illumination lamps inoperative?

--

Go to Step 3

Go to Step 4

3

Connect a test lamp between the headlamp and the panel dimmer switch CKT 9 (BRN) cavity 5 to ground.

Does the test lamp light?

--

Go to Step 12

Go to Step 9

4

Connect a test lamp between CKT 9 (BRN) at the affected illumination lamp(s) and ground.

Does the test lamp light?

--

Go to Step 5

Go to Step 7

5

Connect a test lamp between CKT 150 (BLK) at the affected illumination lamp(s) and B+.

Does the test lamp light?

--

Go to Step 6

Go to Step 8

6

Replace the affected component illumination lamp(s).

Is the repair complete?

--

Go to Interior Lamps System Check

--

7

Repair the open in CKT 9 (BRN) between the headlamp and the panel dimmer switch and the affected component illumination lamp(s).

Is the repair complete?

--

Go to Interior Lamps System Check

--

8

Repair the open in CKT 150 (BLK) between the affected lamp(s) and ground.

Is the repair complete?

--

Go to Interior Lamps System Check

--

9

Connect a test lamp between the headlamp and the panel dimmer switch CKT 240 (ORN) cavity H and ground.

Does the test lamp light?

--

Go to Step 10

Go to Step 11

10

Replace the headlamp and the panel dimmer switch.

Is the repair complete?

--

Go to Interior Lamps System Check

--

11

Repair the open in CKT 240 (ORN) between the IP fuse block and the headlamp and panel dimmer switch.

Is the repair complete?

--

Go to Interior Lamps System Check

--

12

Repair the open in CKT 9 (BRN) between the headlamp and the panel dimmer switch and splice S210.

Is the repair complete?

--

Go to Interior Lamps System Check

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