GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition ON with the engine in RUN.
  2. If the charge indicator is not on, detach the wire harness at the generator and the ground L terminal.

Does the indicator go on?

--

Go to Step 4

Go to Step 2

2

  1. Locate an open circuit between the ground lead and the ignition switch.
  2. Repair any open circuit.

Does the indicator go on?

--

Go to Step 4

Go to Step 3

3

Check for a burned out indicator bulb. Replace as needed.

Does the indicator go on?

--

Go to Step 4

System OK

4

Repair or replace the generator. Refer to Generator Replacement .

Is the repair complete?

--

System OK

--