WHAT IS MALFUNCTIONING IN MY CHARGING SYSTEM?

  • Tiny
  • steveski
  • 1989 Subaru GL
  • 216,000 miles

I've replaced my alternator and I, m still only getting 12 volts at the battery. The cables appear to be good. I'm getting 18 volts at the alternator at an idle.

Saturday, October 22nd, 2011 AT 3:08 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

The battery voltage should be the same at the battery and alternator batt terminal-18 volts the alternator is overcharging the battery-check for loose connections

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Wednesday, October 26th, 2011 AT 8:46 AM

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