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aaronac1 
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Joined: 07 Jan 2013
Location: Burlington Iowa
Points: 416
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 Topic: 7045 alternator
Posted: 04 Apr 2024 at 7:21pm |
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Does anyone know the acdelco part number for a replacement altenator off of a 7045? Trying to find one at a local automotive store.
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Wd-45 D-17s4 170 185 190xt 7045 8070
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Lynn Marshall
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2283
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Posted: 04 Apr 2024 at 7:35pm |
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I use a 100 amp 10SI Delco . You need one with three small terminals for the tach to work. A wiring change is required and a larger pulley too, if you want the tach to read correctly. I see that Shoup offers a complete assembly for sale. Alternator, pulley, and small wiring adapter for that application.
Edited by Lynn Marshall - 04 Apr 2024 at 7:44pm
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 04 Apr 2024 at 8:10pm |
Someone asked this a month ago and it seems like "MOST" of the Delco with the tach terminal are now 1 wire units.... Search of GOOGLE does not show much for the original 3 wire alternators with the extra "tach"..... but i did not look everywhere.
Edited by steve(ill) - 05 Apr 2024 at 1:10pm
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Like them all, but love the "B"s.
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aaronac1
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Location: Burlington Iowa
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Posted: 04 Apr 2024 at 8:40pm |
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Im assuming that i can take off the old double pulley and simpley install it on the new one?
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Wd-45 D-17s4 170 185 190xt 7045 8070
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steve(ill)
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Posted: 04 Apr 2024 at 8:50pm |
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yes... the pulley are all interchangable on the BORE.. Its the diameter that is important
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Like them all, but love the "B"s.
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steve(ill)
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Location: illinois
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Posted: 04 Apr 2024 at 8:58pm |
another option --- only 3 wire i saw...
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Like them all, but love the "B"s.
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Steve in NJ
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Joined: 12 Sep 2009
Location: Andover, NJ
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Posted: 05 Apr 2024 at 7:49am |
That's a good price on that 3 wire. That's the way to fly. As Lynn mentioned it would need the larger pulley or use your pulley. Still utilizes the same .670 shaft. Steve@B&B
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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Les Kerf
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Posted: 05 Apr 2024 at 12:21pm |
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Just curious: Where exactly does the "R" terminal tap into? Is it reading one phase or all of them?
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