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 Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the ignition ON, with the engine OFF.
  2. Disconnect the IP compartment lamp switch.
  3. Connect a test lamp between the courtesy lamps supply voltage circuit of the IP compartment lamp switch connector and a good ground.

Does the test lamp illuminate?

Go to Step 3

Go to Step 4

3

Connect a test lamp between the ground circuit of the IP compartment lamp switch connector and the courtesy lamps supply voltage circuit.

Does the test lamp illuminate?

Go to Step 6

Go to Step 5

4

Repair the open in the courtesy lamps supply voltage circuit of the IP compartment lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 7

--

5

Repair the 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 7

--

6

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

Did you complete the replacement?

Go to Step 7

--

7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2