GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The IP compartment lamp does not turn on when the IP compartment is open.

1

Was the Interior Lamps System Check performed?

--

Go to Step 2

Go to Interior Lamps System Check

2

Inspect the IP compartment lamp bulb filament.

Is the IP compartment lamp bulb filament open?

--

Go to Step 6

Go to Step 3

3

  1. Disconnect the IP compartment lamp harness connector.
  2. Using the test light, probe between B+ and the IP compartment lamp harness connector terminal B.

Does the test light illuminate?

--

Go to Step 4

Go to Step 7

4

  1. Disconnect the IP compartment lamp switch harness connector.
  2. Turn the ignition switch from the OFF position to the RUN position.
  3. Using a test light, connect between the IP compartment lamp switch harness connector terminal B and ground.

Does the test light illuminate?

--

Go to Step 5

Go to Step 8

5

  1. Connect a test light between the IP compartment lamp harness connector terminal A and ground.
  2. Connect a 10A fused jumper between the IP compartment lamp switch harness connector terminals A and B.

Does the test light illuminate?

--

Go to Step 9

Go to Step 10

6

Replace the IP compartment lamp bulb.

Is the repair complete?

--

System OK

--

7

Repair the poor connection or an open in circuit 1450.

Is the repair complete?

--

System OK

--

8

Repair the poor connection or an open in circuit 1393.

Is the repair complete?

--

System OK

--

9

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

Is the repair complete?

--

System OK

--

10

Repair a poor connection or an open in circuit 148.

Is the repair complete?

--

System OK

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