Circuit Description
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Charge indicator has battery voltage supplied when ignition is in RUN and START positions. PCM controls ground for this circuit and will supply ground during bulb check or when a failure is detected due to a generator failure or a battery voltage that is out-of-range.