GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you perform the Diagnostic System Check for starting and charging?

Go to Step 2

Go to Diagnostic System Check - Engine Electrical

2

Turn the ignition ON, with the engine OFF.

Does the charge indicator lamp illuminate?

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

Go to Step 3

3

Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

Go to Step 4

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4

Operate the system for which the symptom occurred.

Did you correct the condition?

System OK

Go to Step 2