[AT] [External] Re: Tractor harness wire sizing

[Gunnells, Brad R]

I'm a big fan of solder and heat shrink as well. Seems like a job you only want to do once.

I need to make a new wire harness for an old WD-45 I've acquired. I've found heat shrink braided sleeving that I'm thinking about using. It would give the protection you mention and hopefully shrink down and look similar to a factory wire loom. Has anyone used such a product before? Here's an eBay link to a source I was thinking of trying.

https://www.ebay.com/itm/2-1-Heat-Shrinkable-Braided-Sleeving-0-4-to-1-25-Electriduct/141762840391?ssPageName=STRK%3AMEBIDX%3AIT&var=440872175379&_trksid=p2060353.m1438.l2649
________________________________
From: AT <at-bounces at lists.antique-tractor.com> on behalf of Phil Auten <pga2 at basicisp.net>
Sent: Thursday, July 16, 2020 11:04 AM
To: at at lists.antique-tractor.com <at at lists.antique-tractor.com>
Subject: [External] Re: [AT] Tractor harness wire sizing

The biggest problem with voltage drop will be at the terminals. I would
solder every connection and protect them with heat shrink tubing, which
is available at Harbor Freight and other places like Northern Tool. If
you can find heat shrink in large enough sizes, I would also use that
for protecting the entire harness with the split plastic stuff on the
outside for better abrasion protection, plus it is much easier to
replace if necessary.

My 2¢,

Phil in TX


On 7/16/2020 9:25 AM, szabelski at wildblue.net wrote:
> This should help with determining wire size and making your own harness:
>
> https://www.calculator.net/voltage-drop-calculator.html
>
> It may look like it’s for AC, but you can select DC. With the short runs you’ll actually be dealing with, you shouldn’t see a large voltage drop.
>
> Carl
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> AT at lists.antique-tractor.com
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