Question about 1988 Pontiac Sunbird

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Battery isn't charging

We have replaced the battery and the altinator. Checked all known fuseable links and have power before and after them. The battery reads 12 volts, but the interior switch reads 10 volts and the new altinator isn't charging the system. Although the car runs as long as no other electrical devices are used ie. turning signals, lights, cruis controle, windows, radio ext. We are looking for a charging system wire diagram for a 1988 Pontiac Sunbird Turbo.
Thank You,

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  • Anonymous Mar 21, 2014

    WONT CHARGE BATTERY BUT THE MESSAGE DISPLAY SAYS CHARGING SYSTEM OK MY MULTIMETER SHOWS 12 VOLTS OR LESS WHEN I TEST THE BATTERY WITH CAR RUNNING

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  • Master
  • 360 Answers

Here ya go check for power to the alternator good luck ............ justuscc Charging & Starting System Wiring Circuit - VIN K battery isn't charging - 41908702

Posted on Oct 16, 2008

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