GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

SCHEMATIC REFERENCE: Interior Lights Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Place the interior lamp switch in the ON position.
  2. Remove the bulb from the IP compartment lamp.
  3. Connect a test lamp between the feed circuit of the IP compartment lamp bulb and a good ground.

Does the test lamp light?

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Go to Step 3

Go to Step 6

3

Connect a test lamp between the feed circuit of the IP compartment lamp bulb and the ground circuit of the IP compartment lamp bulb.

Does the test lamp light?

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Go to Step 4

Go to Step 7

4

Inspect for poor connections at the bulb of the IP compartment lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

Go to Step 5

5

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

Did you complete the replacement?

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Go to Step 8

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6

Repair the open or high resistance in the feed circuit of the IP compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

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7

Repair the open or high resistance in the ground circuit of the IP compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

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8

Operate the system in order to verify the repair.

Did you find and correct the condition?

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System OK

Go to Step 2