GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Interior Lights Dimming System Check performed?

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Go to Step 2

Go to Interior Lights Dimming System Check

2

  1. Remove the bulb from the instrument panel compartment lamp.
  2. Connect a unpowered test lamp between the IP compartment lamp connector, cavity A for CKT 40 (ORN), and ground.

Does the test lamp light?

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Go to Step 4

Go to Step 3

3

Repair the open in CKT 40 (ORN) between the IP compartment lamp connector and splice S227.

Is the IP compartment lamp operative?

--

Go to Interior Lights Dimming System Check

Go to Step 4

4

Connect a J 39200 DMM between the IP compartment lamp connector, cavity B for CKT 150 (BLK), and ground.

Is continuity present?

--

Go to Step 5

Go to Step 6

5

Replace the IP compartment lamp bulb.

Is the IP compartment lamp operative?

--

Go to Interior Lights Dimming System Check

Go to Step 6

6

Repair the open in CKT 150 (BLK) between splice S202 and the IP compartment lamp connector.

Is the IP compartment lamp operative?

--

Go to Interior Lights Dimming System Check

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