Converting to a newer 1 wire alternator - Team Camaro Tech
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post #1 of 12 (permalink) Old Jan 15th, 11, 09:18 AM Thread Starter
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Converting to a newer 1 wire alternator

I tried to find a 100A "CS" alternator referenced in tech tip #14 but couldn't find any with the 6 and 12 o'clock mounting positions to fit my existing March pulleys. I ended up buying a Power Master one wire alternator with an internal regulator. A little direction with the wiring would be much appreciated. How can I safely wire this and remove the external regulator without messing anything up?
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post #2 of 12 (permalink) Old Jan 15th, 11, 11:47 AM
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Re: Converting to a newer 1 wire alternator

Quote:
Originally Posted by Edm View Post
I tried to find a 100A "CS" alternator referenced in tech tip #14 but couldn't find any with the 6 and 12 o'clock mounting positions to fit my existing March pulleys. I ended up buying a Power Master one wire alternator with an internal regulator. A little direction with the wiring would be much appreciated. How can I safely wire this and remove the external regulator without messing anything up?
Just run the Red ALT wire. Abandon the reg wires at the Alt and the Reg.
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post #3 of 12 (permalink) Old Jan 15th, 11, 06:26 PM Thread Starter
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Re: Converting to a newer 1 wire alternator

What does that Red alt. wire connect too? I need to put a larger gauge wire in and would like to keep everything as neat and clean as possible.
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post #4 of 12 (permalink) Old Jan 15th, 11, 08:18 PM
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Re: Converting to a newer 1 wire alternator

The battery.

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post #5 of 12 (permalink) Old Jan 15th, 11, 11:59 PM
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Re: Converting to a newer 1 wire alternator

A 1-wire will not allow any method of remote voltage sensing so it can not compensate for and drop in voltage from lights, electric fans, a/c, etc. Check out MadElectrical.com for some good info on how to wire up a internal regulated newer alternator and the problems with the 1-wire. This is a good post: https://www.camaros.net/forums/showth...ernator+wiring

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post #6 of 12 (permalink) Old Jan 16th, 11, 06:13 AM Thread Starter
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Re: Converting to a newer 1 wire alternator

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The battery.

I UNDERSTAND THAT. It goes to the existing voltage regulator or the horn relay first THEN TO THE BATTERY.
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post #7 of 12 (permalink) Old Jan 16th, 11, 06:23 AM Thread Starter
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Re: Converting to a newer 1 wire alternator

Quote:
Originally Posted by larryh56 View Post
A 1-wire will not allow any method of remote voltage sensing so it can not compensate for and drop in voltage from lights, electric fans, a/c, etc. Check out MadElectrical.com for some good info on how to wire up a internal regulated newer alternator and the problems with the 1-wire. This is a good post: https://www.camaros.net/forums/showth...ernator+wiring

Great info. Thanks.

The alternator I ordered was supposed to be 3 wire. I am just gonna send it back. This is frustrating.

Anyone know of a 105 A "CS" alternator with a 12 and 6 mounting position?
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post #8 of 12 (permalink) Old Jan 16th, 11, 07:14 AM
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Re: Converting to a newer 1 wire alternator

This says late-80's GM truck or full size car... http://www.novaresource.org/alternator.htm
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post #9 of 12 (permalink) Old Jan 16th, 11, 02:36 PM
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Re: Converting to a newer 1 wire alternator

H-body cars like the Olds 88, Bonneville, etc.

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post #10 of 12 (permalink) Old Jan 18th, 11, 12:23 PM Thread Starter
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Re: Converting to a newer 1 wire alternator

88 Delta 88 has the 12 and 6 mounting pattern. Every truck alternator found from 86 on had the 3 holes and wouldn't work for my application.

Last edited by Edm; Jan 18th, 11 at 12:34 PM.
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post #11 of 12 (permalink) Old Jan 18th, 11, 02:57 PM
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Re: Converting to a newer 1 wire alternator

My CS130 was designed for some mid-90s area chevy truck. I remember the part number was something odd like 123456A or somesuch (almost looked fake). The point however is that I reclocked the alternator to fit properly. I just removed the 3 or 4 case screws, turned the halves to align the way I needed and reinstalled the screws.

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post #12 of 12 (permalink) Old Jan 18th, 11, 06:56 PM Thread Starter
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Re: Converting to a newer 1 wire alternator

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Originally Posted by dnult View Post
My CS130 was designed for some mid-90s area chevy truck. I remember the part number was something odd like 123456A or somesuch (almost looked fake). The point however is that I reclocked the alternator to fit properly. I just removed the 3 or 4 case screws, turned the halves to align the way I needed and reinstalled the screws.
Thats a good idea too but this Delta 88 is a perfect fit.
Did you wire yours the way the tech tip says too? I noticed on the Novasource site the schematic was slightly different. I want to get it right the first time if possible. Did you wire a fusible link in to the alternator or at the horn relay?

Thanks,
Ed
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