[SEL] voltage regulator (kinda related)

[Bill Brueck]

Others will surely jump in if I don't have this quite right, but I believe
the starter-generator you describe is kind of self-polarizing by just using
it to start the engine.  The polarity is a question of what regulator you
have, not of the starter-generator itself.  The regulator is normally
stamped for voltage and ground polarity, usually on the base; thus I'd
expect you to find a 12P or 12V P (or N) stamped or sometimes printed.
Printing is a sign of an aftermarket regulator; Delco used a good stamp so
it couldn't wear off.  Thus be careful when cleaning it looking for the
mark, in case yours is printed. If a regulator is run at the wrong polarity
it will work OK for a while, maybe quite a while.  But the points do burn up
quicker if run with reverse polarity. 

You can also tell the polarity of a regulator by looking at the points, but
I don't remember how.  Maybe someone can explain that to us.

Polarity will not affect the direction of rotation, for either starting or
for generating.

B²
 
Bill Brueck (brick)
Chatfield, MN, USA
 
Confusion is a higher state of knowledge than ignorance.


-----Original Message-----
From: sel-bounces at lists.stationary-engine.com
[mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Lew Best
Sent: Wednesday, May 16, 2007 5:14 PM
To: 'The SEL email discussion list'
Subject: Re: [SEL] voltage regulator (kinda related)

Since we're in the subject, I just got a Cushman golf cart with a Kohler
engine that uses the generator (12v) as a starter also.  I found a wiring
diagram for a newer one with a similar setup; it's negative ground.  I feel
this one should be but the ground terminal is large (fitting the pos battery
terminal) & the solenoid cable is too small for the positive post on the
battery.  No battery in it when I got it.  I've got it running using the
positive ground but haven't put a meter on it to see if it's charging.  

I'd prefer to use it with negative ground (unless it spins backward which I
doubt it will); been so many years since I messed with a generator tho I've
forgotten how to re-polarize one.  Pretty sure it's a Delco.

Thanks!

Lew Best near Waco, TX

-----Original Message-----
 Hi all.
Where could I find a chart to tell what voltage regulator goes with a
Delco-Remy 1100501 6V generator?
Thanks.

Ron Haskell
rdhaskell at juno.com
Riverside, California
USA
http://albums.photo.epson.com/j/AlbumList?u=3009370&f=0
 

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