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1990 Toyota Corolla Having Alternator Problems Please Help!

Tiny
JIMMYL645I
  • MEMBER
  • 1990 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 190,000 MILES
Hi, I have been having some problem with my alternator lately and now it decided to call quit.
I already tested and everything so its a definate because the battery is brand new also.
I went to my local autoparts and I found one for around 80-110 depending on brands and what not.
Then the gentlenment said they have 2 different alternator for this MAKE and MODEL.

So my main question would be. How do I know which one to get?

Thanks a ton guys!
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Monday, November 2nd, 2009 AT 6:11 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Take old alternator in and match it up to new one. Higher amp alternators are generally physically larger.

It is also important to match the electrical connections (called "clocking"), to new or reman'ed alt.
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Tuesday, November 3rd, 2009 AT 8:45 AM

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