GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the entire Interior Lights System Check?

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Go to Step 2

Go to Interior Lights Dimming System Check

2

  1. Disconnect the IP compartment lamp switch connector.
  2. Set the ignition switch to the RUN position.
  3. Connect a fused jumper between the IP compartment lamp switch connector terminal B (BLK) and ground.

Does the IP compartment lamp light?

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Go to Step 3

Go to Step 4

3

Inspect CKT 150 (BLK) for an open. Refer to Testing for Continuity in Wiring Systems.

Is CKT 150 OK?

--

Go to Step 8

Go to Step 7

4

Inspect CKT 39 (PNK) for an open or short to ground between S215 and the IP compartment lamp. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems.

Is CKT 39 OK?

--

Go to Step 5

Go to Step 7

5

Inspect CKT 157 (GRY) for an open. Refer to Testing for Continuity in Wiring Systems.

Is CKT 157 OK?

--

Go to Step 6

Go to Step 7

6

Replace the IP compartment lamp. Refer to Instrument Panel Compartment Lamp Replacement .

Is the repair complete?

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Go to Interior Lights Dimming System Check

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7

Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Interior Lights Dimming System Check

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8

Replace the IP compartment lamp switch.

Is the repair complete?

--

Go to Interior Lights Dimming System Check

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