GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you perform the Battery Inspection/Test?

Go to Step 2

Go to Battery Inspection/Test

2

  1. Turn ON the ignition, with the engine OFF.
  2. Observe the charge indicator on the instrument cluster (IPC).

Is the charge indicator illuminated?

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

Go to Step 3

3

  1. Turn OFF the ignition.
  2. Disconnect the generator connector.
  3. Connect a 3 amp fused jumper wire between the charge indicator control circuit and a good ground.
  4. Turn ON the ignition, with the engine OFF.

Does the charge indicator remain OFF?

Go to Step 4

Go to Step 5

4

Test the charge indicator 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 7

Go to Step 6

5

Inspect for poor connections at the harness connector of the generator. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and repair the condition?

Go to Step 7

Go to Charging System Test

6

Replace the battery lamp in the instrument cluster. Refer to Instrument Cluster Bulb Replacement in Lighting Systems.

Did you complete the replacement?

Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3