Making a wiring harness from other m series vehicles

Eades · Post by **Eades** » Mon Oct 08, 2018 1:25 pm

I have done this and it is not that difficult. I purchased a NOS M715 harness that turned out to be an M35 deuce harness. The kicker is that I have a SBC engine in the truck and I wanted the stock wiring. No big deal really.

The wiring loom for the big truck ran a different route so I had to take the tape off and reorganize the wires so the ran in the correct location. Driver's side front vs exiting through the center of the dash. The some wires are too long and other circuits to short. My solution was to purchase a cheep wiring loom from an Ebay vendor who didn't know what application the loom was for. So for $19.99 I picked up a new harness with endless connections. I cut and spliced them into the loom using high quality butt crimp connectors that heat seal and then applied liquid electrical tape and finally wrapped the loom again in regular electrical tape.

I purchased the special crimping tool but it just locked onto the Packard connector and would not release. The tool looks like the Astro shown above. I must have had the solder type ends.

Not a super difficult project but takes time and thought to get it correct.

Post by **wesk** » Thu Oct 11, 2018 10:48 pm

I purchased the special crimping tool but it just locked onto the Packard connector and would not release. The tool looks like the Astro shown above. I must have had the solder type ends.

The astro crimper came with 4 different size positioners. One for each wire gauge. Some guys buy these crimpers used and do not realize they have a tool that originally came with 4 gauge sensitive positioners and they try using using the only one they have with the wrong gauge wire.

bamaj · Post by **bamaj** » Fri Oct 12, 2018 4:39 pm

Is there a source for the aluminum wire numbers that are like the original?

Post by **wesk** » Fri Oct 12, 2018 10:19 pm

https://nationalband.com/industrial-and ... p-on-tags/

These are probably as close to original as you will get. Plus they are brand new.

RonD2 · Post by **RonD2** » Fri Oct 12, 2018 10:36 pm

If it helps Jeff, here's another post for wire tags ---- Keyes-Davis of Battle Creek Michigan, over a century in the business, Made in the USA. https://www.keyesdavis.com/

Good price and great service. After looking at their catalog, they sent me free samples to choose from to make sure I got what I wanted.

http://willysmjeeps.com/v2/modules.php? ... s&start=15

It took a few figuring out that it only takes a light tap to make a good impression........

bamaj · Post by **bamaj** » Fri Oct 12, 2018 11:45 pm

Thanks!

Post by **wesk** » Sat Oct 13, 2018 12:37 am

These are the old MIL spec ORD# 7524649

These are the new Mil Spec

9905-00-752-4649 An item cut to a specific length suitable for wrapping around a cable, pipe, wire, wire rope and the like. It is secured by crimping, slot and tongue, or similar method of fastening. It is intended to provide identification. It may be blank, specifically color coded, or inscribed with information. Excludes TAG, MARKER.

Part Alternates: M43436/1-1, M4343611, HCF1680, KC9407, TC151465, TC15-1465, MIL-B-43436/1-1, MIL-B-43436/1-1 TY1, MILB4343611, MILB4343611TY1, T1, 2701, 5939707, 7524649, 801692, 99242R1, 9905-00-752-4649, 00-752-4649, 9905007524649 , 007524649