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1989 Ford Probe charging system

Tiny
AZDIRTRACER
  • MEMBER
  • 1989 FORD PROBE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 189,000 MILES
I have a problem somewhere in my charging system. I have replaced the battery and alternator and still not charging. The voltage at the battery when the car is running is only 12.8 volts(when it actually charges) I have checked all fuses and am at a loss for what else I can check. Any ideas?
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Friday, December 25th, 2009 AT 5:17 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Get the alternator bench tested if its producing the correct output
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Friday, December 25th, 2009 AT 5:23 PM
Tiny
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  • 3 POSTS
I had the alternator tested and everything came out good. Any other ideas?
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Sunday, December 27th, 2009 AT 3:13 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Next step is to check the wiring all the way back to the key and charge indicator.

BTW do you have an external voltage regulator?
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Sunday, December 27th, 2009 AT 3:15 PM
Tiny
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Alright I will have to have fun with the wiring.
And I do not belive so I haven't been able to find one
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Monday, December 28th, 2009 AT 7:51 PM

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