GM Service Manual Online
For 1990-2009 cars only

Battery Indicator ON at all Times with Engine Running

Step

Action

Value(s)

Yes

No

1

  1. Turn OFF the engine.
  2. Disconnect the generator connector.
  3. Move the ignition switch to the RUN position.

Does the battery indicator light?

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Go to Step 3

Go to Step 2

2

Repair the generator.

Is the repair complete?

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System OK

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3

Check for a short to ground in the RED (225) wire between the generator and the instrument cluster. If OK, replace the instrument cluster.

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System OK

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