GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Interior Lights Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

1

Did you perform the Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

Open the IP compartment.

Does the lamp turn ON?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Place the ignition in the ON position, with the engine OFF.
  2. Remove the IP compartment lamp.
  3. Probe the IP compartment lamp voltage supply circuit with a test lamp connected to ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 5

4

Connect a test lamp between the voltage supply circuit of the IP compartment lamp and the ground circuit of the IP compartment lamp.

Does the test lamp illuminate?

Go to Step 7

Go to Step 6

5

Repair the poor connection, or an open in the voltage supply circuit of the IP compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 8

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6

Repair the poor connection, or an open in the ground circuit of the IP compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 8

--

7

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

Did you complete the replacement?

Go to Step 8

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8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3