GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Interior Lamps System Check?

--

Go to Step 2

Go to Interior Lights Dimming System Check

2

Connect a test lampJ 35616-200 from CKT 40 (ORN) to the inoperative reading lamp to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 5

3

Inspect for an open in CKT 1350 (BLK) to ground G400.

Did you find an open?

--

Go to Step 4

Go to Step 6

4

Repair the open in CKT 1350 (BLK) to ground G400.

Is the repair complete?

--

Go to Interior Lights Dimming System Check

--

5

Repair the open in CKT 40 (ORN) from the reading lamp to splice S308.

Is the repair complete?

--

Go to Interior Lights Dimming System Check

--

6

Replace the reading lamp bulb Dome and Reading Lamp Bulb Replacement .

Is the repair complete?

--

Go to Interior Lights Dimming System Check

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