Charging system not working

Tiny
NE69CHEVELLE
  • MEMBER
  • 1992 MERCURY COUGAR
  • 205 MILES
I recently worked on my grandma's 92 mercury cougar and found the battery dead, jump started it and it ran for about a minute or two and died. I replaced the alternator and plug, and had the battery tested, it was bad also and replaced it as well. After the new battery I checked the voltage and it was still only charging at 12.3 volts. What else could be wrong besides the new alternator possibly being bad? What else should I be checking?
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Thursday, September 29th, 2011 AT 8:08 PM

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Tiny
CJ MEDEVAC
  • EXPERT
I think on your vehicle, the voltage regulator is a part of the alternator (on older stuff was a separate unit)

I'd go with checking your fusible links, fuses, and connections. EZist thing to do 1st!

And of course, like I exclaim here a lot, "EVEN NEW STUFF CAN BE BAD!". On car or pull Mr. Alternator once again, for testing!

The Medic
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Thursday, September 29th, 2011 AT 8:29 PM

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