alternator troubleshooting

2000 CADILLAC DEVILLE DTS
132,000 MILES • V8 • FWD • AUTOMATIC
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MICHAELAK
  • MEMBER
  • 1 POST
I have a 2000 cadillac dts that will not charge i have replaced the alternator and it is still not charging.I check the volts going to the alternator,the orange wire has 12 volts on it.The red wire has 5 volts.The grey wire has 2 volts on it.
Apr 30, 2011 at 1:08 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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CADIEMAN
  • CAR REPAIR CONTRIBUTOR
  • 3,544 POSTS
red wire is from the battery 12v,the other connector goes the voltage regulater.you my have a bad rebuild.your battery could be bad and not takeing a charge.is the charging system light on?when you turn the key on do you see the charge light on?
Apr 30, 2011 at 3:25 PM
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