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alternator swap

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Old Apr 1, 2015 | 01:50 PM
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Default alternator swap
Will an alternator from a 1989 4.3 match up in the 87 2.8? I think the alternator is bad in my 87 but it passed inspection at the parts store.
 
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Old Apr 1, 2015 | 06:07 PM
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Originally Posted by hoebob69
Will an alternator from a 1989 4.3 match up in the 87 2.8? I think the alternator is bad in my 87 but it passed inspection at the parts store.
Then its not your alt. Why do you think this?
 
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Old Apr 2, 2015 | 07:24 PM
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Because the alternator is locking up. The baron must be bad. With the alternator off it cranks fine
 
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Old Apr 2, 2015 | 07:47 PM
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maybe, if the holes line up, same amperage
 
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Old Apr 11, 2015 | 12:38 AM
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Call your local parts store and get the alternator part #'s for the 89 and the 87. See if they're the same. I had the alternator on my 91 lock up like that on me.
 
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