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No out put from the alternator

Tiny
SHOP.139
  • MEMBER
  • 1999 TOYOTA SIENNA
There is no out put from the alternator 12 volts running in battery only we've tried 3 alternators and nothing happens alternator fuse 140 amps is okay.

Alternator and battery are good. There is only 12 volts running through battery
Monday, April 30th, 2012 AT 9:04 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have battery voltage at the alternator Batt terminal?
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Monday, April 30th, 2012 AT 9:12 PM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
Check all fuses in the under hood fuse box and in the car. There are some large fuses that could be blown.
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Monday, April 30th, 2012 AT 11:09 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check/Test all the fusible links-square looking box in the power distribution box
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Monday, April 30th, 2012 AT 11:22 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the harmonic damper. The pulley could be slipping.
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Tuesday, May 1st, 2012 AT 9:40 AM

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