[AT] 12-volt conversion

[Dudley Rupert]

Rev A:

1) Try this site for the alternator connections:
http://www.oldengine.org/unfaq/10si.htm

2) Remember to connect the negative 12 volt battery terminal to the tractor
frame (ground)

Dudley

-----Original Message-----
From: Dudley Rupert [mailto:drupert at premier1.net]
Sent: Friday, December 05, 2008 7:42 PM
To: Antique tractor email discussion group
Subject: RE: [AT] 12-volt conversion

Dick,

The following may be a help to get the conversion started:

1) Replace the 6 volt battery with a 12 volt;
2) Replace any light bulbs with12 volt bulbs;
3) Add a Ballast resistor (if keeping the 6 bolt coil); and
4) Replace Generator with Alternator -
The GM 10SI is a good/plentiful Alternator.  See the 10SI unFAQ for how to
install it.

Good Luck -
Dudley

-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com]On Behalf Of Dick Day
Sent: Friday, December 05, 2008 6:41 PM
To: at at lists.antique-tractor.com
Subject: [AT] 12-volt conversion

Can anyone give me (for a buddy) some pointers on doing a 6 to 12-volt
conversion on a '43 JD, electric-start B?

What exactly will need to be changed besides adding an alternator?  Any
favorite brand/types of alternators you would suggest?

Any websites that you know of that give detailed instructions?

Thanks!

Dick Day

DDSS, Inc.
Software For County Government
83712 552nd Avenue
Norfolk, NE  68701

402-379-1606

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