<VV> Old/New Alternator Mounts

[jvhroberts at aol.com]

Hear hear. I've put a bunch of 10SI and CS130s on all sorts of things, from marine engines, farm equipment, WWII military vehicles, etc.. The voltage sense lead on these installations ALWAYS went to the junction block, and kept the voltage nice and steady, regardless of the load. 
 

 

John Roberts
 

 

-----Original Message-----
From: BobHelt <BobHelt at aol.com>
To: Sethracer <Sethracer at aol.com>; ronh <ronh at owt.com>; corvairduval <corvairduval at cox.net>; virtualvairs <virtualvairs at corvair.org>; jvhroberts <jvhroberts at aol.com>
Sent: Fri, Aug 9, 2013 11:17 am
Subject: Re: <VV> Old/New Alternator Mounts



Hi Guys,
Concerning the one wire vs. the three wire alternator hookups, some may not know about the voltage control aspects of the 3-wire. Yes, it is mentioned in the reference that Seth cited. But do you really understand its advantages?
 
Electrical things, like lights and motors like to have their design voltages supplied to them. If they don't get the proper voltage, then they don't work so well. Lower voltage to the headlights means DIM lights. That is not the best situation, wouldn't you agree? So now you are aware of the other big difference between the two types of alternators. The 3-wire has a voltage control circuit that maintains the proper voltage to all electrical devices. The 1-wire setup doesn't. Thus the voltage to electrical devices with a 1-wire can and do vary to lower their outputs. Dim light and slower blower speeds result.  GM thought it important to have the 3-wire setup.
 
Regards,
Bob Helt
 

In a message dated 8/8/2013 8:05:47 P.M. US Mountain Standard Time, Sethracer at aol.com writes:
For an   evaluation of the One-wire alternator installation, check out this    
web   site:

http://www.madelectrical.com/electricaltech/onewire-threewire.shtml

Then   make your choice. - Seth Emerson


In a message dated 8/8/2013   7:27:29 P.M. Pacific Daylight Time,  
ronh at owt.com   writes:

I  wouldn't use one if you gave it to me unless I could   convert it 
back to  normal and that requires that some parts be    replaced.

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