GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

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 HI position.
  2. Remove the bulb from the IP compartment lamp.
  3. Connect a test lamp between the IP compartment lamp power feed circuit and a good ground.
  4. Turn ON the ignition, with the engine OFF.

Does the test lamp light?

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Go to Step 3

Go to Step 6

3

Connect a test lamp between the IP compartment lamp power feed and the IP compartment lamp control circuit.

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 12

Go to Step 5

5

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

Did you complete the replacement?

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Go to Step 12

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6

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

Did you complete the repair?

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Go to Step 12

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7

Connect a test lamp between battery positive voltage (B+) and the IP compartment lamp switch ground circuit.

Does the test lamp illuminate?

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Go to Step 9

Go to Step 8

8

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

Did you complete the repair?

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Go to Step 12

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9

Test the IP compartment lamp control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 12

Go to Step 10

10

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

Did you find and correct the condition?

--

Go to Step 12

Go to Step 11

11

Replace the IP compartment lamp switch. Refer to Instrument Panel Compartment Lamp Switch Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

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Go to Step 12

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12

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