1948 Cub Wiring

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1948 Cub Wiring

Postby Redpower » Wed Dec 01, 2004 1:07 am

:?: I have inherited a 1948 Cub. It has a generator, magneto and a cutout relay. I have checked all the manuals I can find and cannot find a wiring diagram for this combinitation. IH parts manual TC37F Revision 1 doesn't show it. I also saw on another page to just replace the relay with a regulator. I would rather leave the tractor the way it is. Can any one help me :?:
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Wiring Diagrams

Postby Eugene » Wed Dec 01, 2004 1:32 am

cleancomputes.com/Cub The Cub owners manual (Operation Maintenance Lubrication) page 33 and 34 has wiring diagrams for the tractor.

I have an original Cub owners manual that has 6 pages of wiring diagrams for the Cub. Printed 6-12-67.

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Postby Bigdog » Wed Dec 01, 2004 5:30 am

Click on the top diagram at this link:

http://www.antique-tractor.com/CubFAQ/cub_faq_2.html#q3
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Thanks

Postby Redpower » Wed Dec 01, 2004 11:58 am

Thanks, I think from the two of these I can work it out. They always seem to leave out the magneto to on/off switch. Now, I have found several folks on the web that manufacture wiring harnessess. Do either of you know of a good dealer?
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Postby Bigdog » Wed Dec 01, 2004 12:22 pm

There are several sources:

Carter & Gruenewald

Wiringharness.com

O.E.M. Tractor Parts

Make your own
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Postby John *.?-!.* cub owner » Wed Dec 01, 2004 1:51 pm

The magneto on/off circuit is not considered part of the electrical system, so they don't include it in most diagrams. You won't find it as a part of most wiring harnesses. It normally is a seperate unit.
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Postby farmallcub49 » Wed Dec 01, 2004 8:29 pm

Do you gusy make your own or have you used a manufactured harness? Oem wants 76.00 and ytmag has them for around 30.00; any opinions?What gauge wire should I use to rewire it myself? Does anyone have the right color for each of the individual wires? Thanks
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Postby Bigdog » Wed Dec 01, 2004 8:43 pm

If you are doing a restoration and looking for authenticity, consider purchasing a good reproduction harness with wireloom. If your concern is functionality rather than appearance you can easily make your own for a lot less money. I'd run #10 wire for the charging circuit and # 14 for everything else. You can duplicate correct colors if you feel the need. If not, you can use one or two colors. Just run one wire at a time completing connections at both ends and bundling loosely as you go. Then snug everything together when you complete the runs.
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Postby Ron L » Wed Dec 01, 2004 10:15 pm

Redpower. Re-wired my '48 in October and took a few pictures. Got a new harness from Carter & Gruenewald p/n 351325R91. Below are a few pictures that may help..............

Image

Image

Image
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Postby Redpower » Wed Dec 01, 2004 10:24 pm

Nothing takes the place of a good picture!
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Postby Wireharness » Thu Dec 02, 2004 8:48 am

The ignition cable became part of the main harness loom when IH went to Regulators and battery ign in 1953.
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