GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you perform the Charging System Check?

Go to Step 2

Go to Charging System Check

2

  1. Disconnect the generator connector.
  2. Turn the ignition switch to ON.

Does the charge indicator light?

Go to Step 4

Go to Step 3

3

Repair or replace the generator. Refer to Generator Replacement and Generator Overhaul .

Is the repair complete?

Go to Charging System Check

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4

Test for a short to ground in the YEL wire between the instrument panel (IP) cluster and the generator.

Is a short to ground present?

Go to Step 6

Go to Step 5

5

Repair or replace the IP cluster printed circuit.

Is the repair complete?

Go to Charging System Check

--

6

Repair the short to ground in the YEL wire between the IP cluster and the generator. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Charging System Check

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