alternator wiring diagrams please?

1999 GMC SAFARI
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PELK1992
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  • 1 POST
just replaced the alternator and now the volt meter reads 10 volt and sometimes it jumps up to 14 volt and the battery dies. seems like a short somewhere but dont know where to look for the short.
Jul 10, 2010 at 11:34 AM
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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INTERNETMECHANIC
  • CAR REPAIR CONTRIBUTOR
  • 700 POSTS
Did you test at alternator bat terminal, engine running? Just be careful and don't get leads or anything caught in belt or pulleys. The info shows two wire alternator, one circuit goes to the battery, the other is excite voltage, without excite voltage, the alternator won't charge.


https://images.2carpros.com/forum/automotive_pictures/512072_safari_alternator_1.jpg

Jul 10, 2010 at 12:33 PM
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