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Old 01-27-2019, 09:05 PM   #1
GTS61
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Alternator

I need an alternator because right now I have a bad generator. Can anyone tell me where they got theirs and what amperage? How much they cost? Any idea’s will be appreciated!!
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Old 01-27-2019, 10:26 PM   #2
franken
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Re: Alternator

Might want to figure out what year vehicle and what engine you have. If a V8, short or long water pump? Then look for a similar engine setup accessory drive.
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Old 01-28-2019, 08:07 AM   #3
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Re: Alternator

I got mine on Rock Auto. ACDELCO 3342190 - 12SI. 78 amp, 9:00 clock. Search for a 1985 Buick Rivera 5.0L. ~$55 with a $7 core.
https://www.rockauto.com/en/moreinfo...000317&jsn=256

They have a pigtail also for a couple $.

There are a bunch of threads and sites on how to wire it. I ran the brown wire that went to the regulator to the #1 connection. This is the exciter wire. I ran a ~16 gauge wire from the #2 connection to the junction on the passenger's fender. This is the voltage reference wire. I ran a 8 gauge wire from the lug to the junction on the passenger's fender. This is the main power feed wire.
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Old 01-28-2019, 08:59 AM   #4
nsb29
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Re: Alternator

You could also run and alternator with a built-in regulator the main thing is what motor you have you also need to change your mounting brackets accordingly
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Old 01-28-2019, 09:10 AM   #5
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Re: Alternator

The top bolt on the alternator I listed is 10mm x 1.5. I did have to grind the bracket to make to large enough for the bolt.
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Old 01-28-2019, 10:01 AM   #6
GTS61
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Re: Alternator

Wow just what I needed!! Thanks!!
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Old 01-28-2019, 10:30 AM   #7
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Re: Alternator

I found this thread with images of my install

http://67-72chevytrucks.com/vboard/s...si#post8331761

Another thing to note. There are kits available to do the conversion so you do not have to manually wire it. Plug and play, easily reversible. I decided to wire it manually to give cleaner wiring.

https://hhclassic.com/i-13698966-alt...n-harness.html
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Old 01-28-2019, 12:57 PM   #8
GTS61
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Re: Alternator

Thanks again you all. Being new at this sucks but it does get better with sites like this that are so informative!! Pictures help me a lot also.
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Old 01-28-2019, 01:29 PM   #9
corvettejim1968
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Re: Alternator

i took my alternator off my 1965 c10. i had it rebuilt and the amperage doubled at Genstar electric. now it puts out 90 amps works perfect. when i installed a new wire harness i updated the alternator at the same time. i can sell you my original rebuilt one. if interested text or call me at 602-361-6421
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Faceplate bezel $155
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ball mount set $20
ball felt set $20
center vent clip $5
hardware $5
side vent assembly $96 shipped
center assembly $284.10 shipped
center assembly with side vents $355.61 shipped
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