High Amp Alternator
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Senior User
Joined: Jun 1999
Posts: 207
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From: Oklahoma
High Amp Alternator
I am hoping someone can help me. I understand only the basics of automotive electrical systems. I have a 1978 Ford F150 pickup that has a 460 V8 with a stock 60 something amp alternator. The whole system is stock with an external regulator.
I am installing some high amp draw equipment and want to replace the stock alternator with a 180 amp alternator.
My only question is, do I need to replace the stock regulator? I understand that the regulator only senses voltage and I was thinking that I should not have to replace it. Am I correct? If not, what kind of external regulator do I need to replace the stock one with?
Thank you for any help.
I am installing some high amp draw equipment and want to replace the stock alternator with a 180 amp alternator.
My only question is, do I need to replace the stock regulator? I understand that the regulator only senses voltage and I was thinking that I should not have to replace it. Am I correct? If not, what kind of external regulator do I need to replace the stock one with?
Thank you for any help.
Posting Guru
Joined: Sep 2001
Posts: 1,531
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From: in the country
High Amp Alternator
Willie , If you acquire one of the newer, one-wire alternators, it should have an internal regulator------I don't know if "Summit" is banned but they carry a 140 amper that will function as a one-wire or you can hook it up with your existing harness and you don't have to change your old regulator if I remember correctly.........besure and tell them you want the "Black" model or they'll sell you the chrome model for an extra 100 bucks or so......fd
Thread Starter
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Senior User
Joined: Jun 1999
Posts: 207
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From: Oklahoma
High Amp Alternator
Thanks for the quick reply. I appreciate your input but I've already got a 180 amp alternator and really can't afford another one. I was just wondering if my stock regulator is going to work with the 180 amp alternator.
Thanks
Thanks
Postmaster
Joined: Aug 2000
Posts: 3,312
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From: Eldorado Ca. USA
High Amp Alternator
I would pony up the whooping $12 and go buy the proper regulator for your 180a alternator. You will have to splice it into your existing system more than likey, or make your own harnass. I would aquire wiring diagrams for the donor vehicle, and your truck to make the wiring job simpler. BTW, what did this alternator come off of??? Is it an aftermarket deal, or a remanufactured unit from the parts house?
Tony
'77 F250, 4X4 460 transplantee, "Flamer"
'74 F250. 460, "beater" now "1 dead ford"
'73 F250, "midnight auto" now a trailer for the flamer
Tony
'77 F250, 4X4 460 transplantee, "Flamer"
'74 F250. 460, "beater" now "1 dead ford"
'73 F250, "midnight auto" now a trailer for the flamer
New User
Joined: Jan 2008
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High Amp Alternator
The GR-540A V/R relates to all applications.
There is no special V/R .
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There is no special V/R .
[font color=red]Dennis
FTE Assistant Administrator
[/font]
[link:www.ford-trucks.com/guidelines.html|Club FTE]
[link: motorhaven.autoanything.com|How YOU Can Support This Site]
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