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. Disconnect the IP compartment lamp switch connector.
  2. Connect a fused jumper between the IP compartment lamp switch connector cavity B (DK BLU/BLK) and ground.

Does the IP compartment lamp light?

--

Go to Step 3

Go to Step 5

3

  1. Remove the fused jumper.
  2. Connect a DMM from the IP compartment lamp switch connector cavity A (BLK) to ground.

Is the resistance less than the specified value?

0.5 ohms

Go to Step 4

Go to Step 8

4

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

Is the IP compartment lamp switch replacement complete?

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Go to Step 11

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5

  1. Remove the fused jumper.
  2. Disconnect the IP compartment lamp connector.
  3. Place the interior lamp switch in the ON position.
  4. Connect a DMM from the IP compartment lamp connector cavity A (DK BLU/WHT) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 6

Go to Step 9

6

Connect a DMM from the IP compartment lamp connector cavity B (DK BLU/BLK) to the IP compartment lamp switch connector cavity B (DK BLU/WHT).

Is the resistance less than the specified value?

0.5 ohms

Go to Step 7

Go to Step 10

7

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

Is the IP compartment lamp replacement complete?

--

Go to Step 11

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8

Repair the open in CKT 450 (BLK) between the IP compartment lamp switch and S210. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 11

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9

Repair the open in CKT 149 (DK BLU/WHT) between the IP compartment lamp and C308. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 11

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10

Repair the open in CKT 148 (DK BLU/BLK) between the IP compartment lamp and the IP compartment lamp switch. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Step 11

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11

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK.

Go to Step 2