GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Diagnose any stored DTCs before continuing.
  2. Turn the Ignition Switch to the RUN position.
  3. Measure voltage at the Generator BATT terminal.

Is voltage measured within the specified range?

B+

Refer to Charging System Check

Go to Step 2

2

Repair open in the Fusible Link or circuit 2 between the Generator and the Starter Solenoid. Refer to Wiring Repair in Wiring Systems.

Is the repair complete?

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System OK

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