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1981 Other Toyota Models alternator overcharging frying Volt

Tiny
WILLGIRRES
  • MEMBER
  • 1981 TOYOTA
  • 4 CYL
  • FWD
  • MANUAL
  • 130,000 MILES
I have a 1981 toyota starlet and the voltage regulator is burning up I replaced the alternator and regulator. Checked the wiring and cannot find a short.
Wednesday, September 24th, 2008 AT 11:33 AM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check all connections on the battery and alternator-makes sure its wired correctly in accordance with the electrical wiring diagram.

Start the car -put a voltmeter on the battery what is the reading? Get back
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Wednesday, September 24th, 2008 AT 2:05 PM
Tiny
WILLGIRRES
  • MEMBER
  • 3 POSTS
The alternator is wired correctlty and the voltage reads 14.5 volts while running. But the voltage regulator is smoking
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Wednesday, September 24th, 2008 AT 2:20 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It could be the alternator field windings is shorted out-
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Wednesday, September 24th, 2008 AT 3:15 PM
Tiny
WILLGIRRES
  • MEMBER
  • 3 POSTS
If the field windings are inside the alternator that couldn't be it I replaced the alternator
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Thursday, September 25th, 2008 AT 7:23 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
There such thing as manufacture's defects-check your wiring and report back-regulator burning sounds like it not controlling the alternator
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Thursday, September 25th, 2008 AT 9:18 PM

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