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JaceM38 Member
Joined: Jan 15, 2014 Posts: 18 Location: Pocatello, Idaho
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Posted: Thu Apr 03, 2014 7:39 pm Post subject: Wiring Harness Repair |
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So I have been looking at replacing the wiring harness for my M38 by building my own since I cant afford the 800 for a per-built one. However as I have been taking more of the original harness out I have noticed that there is a good portion of it that is in decent shape (the wires seem sound but all of the insulation has rotted off). Is there anyway of repairing what is there? I thought of just re wrapping all the bare wires with electrical tape but Im not sure if that is the right way of doing it. _________________ Jace
1952 M38 |
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RICKG Member
Joined: Aug 31, 2010 Posts: 1741 Location: SO IDAHO
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Posted: Thu Apr 03, 2014 7:55 pm Post subject: Re: Wiring Harness Repair |
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JaceM38 wrote: | I thought of just re wrapping all the bare wires with electrical tape but Im not sure if that is the right way of doing it. |
SNAKEBITE!! _________________ keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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Xamon Member
Joined: Sep 18, 2012 Posts: 589 Location: South East Saskatchewan
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JaceM38 Member
Joined: Jan 15, 2014 Posts: 18 Location: Pocatello, Idaho
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Posted: Fri Apr 04, 2014 1:31 pm Post subject: |
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Rick what would your suggestion be? If I am going to do this I want to make sure I do it right _________________ Jace
1952 M38 |
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RICKG Member
Joined: Aug 31, 2010 Posts: 1741 Location: SO IDAHO
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Posted: Fri Apr 04, 2014 2:41 pm Post subject: |
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Early in your jeep project thread we discussed building harness from scratch. If as you say your old harness is complete but bare you have an advantage as you can use the old harness as a template. Each wire has a metal tag on each end with the wire #. You can begin building a loom that matches the old unit all the while carefully marking the wire# on each end of each new wire. Reuse the metal parts from your douglas connectors or change to more easily worked packards, the options are endless. Great wiring diagrams are here on this website for the taking. As wire harness goes the M-38 harness is purty straightforward. If you're not worried about authenticity you can get fresh run 14ga black (or any color if you decide to color code a harness) from any electrical supply house by the foot off the roll. Repairing failing harness will have you chasing shorts, running down batts and wondering where that smoke and sizzling bacon sound is coming from. An additional benefit is you will learn and know which wire went where and why. You can do it!! _________________ keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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chrisk Member
Joined: Apr 22, 2012 Posts: 119 Location: the Netherlands
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Posted: Fri Apr 04, 2014 3:40 pm Post subject: |
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A possible answer to your question:
Remove the terminal from the end of the wire.
Build up the bare wires with Heat Shrink Tube insulation multilayer to the external diameter of the original insulation and finally a Heat Shrink Tube that you slide a piece over the original insulation.
The end of the terminal drill it out and solder the wire back into the terminal.
Chris _________________ 2x 1956 M38A1(Nekaf);1954 1/4TON trailer,Polynorm(Dutch);1983 Honda VF750C (Magna) |
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JaceM38 Member
Joined: Jan 15, 2014 Posts: 18 Location: Pocatello, Idaho
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Posted: Fri Apr 04, 2014 4:04 pm Post subject: |
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Thanks Rick, I'm definitely intimidated by trying to build a harness my self but I want to make sure I do this project right. I will probably be asking many more stupid questions thanks for the help. _________________ Jace
1952 M38 |
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RICKG Member
Joined: Aug 31, 2010 Posts: 1741 Location: SO IDAHO
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Posted: Fri Apr 04, 2014 4:27 pm Post subject: |
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You may also find a few of the sub-harnesses that you'll need from some of the guys here on the forum. For example I have a spare 5-wire spider for the rear of the inst panel just lookin for a loving home.. _________________ keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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DJ Member
Joined: Apr 15, 2005 Posts: 289 Location: Wis.
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Posted: Fri Apr 04, 2014 8:52 pm Post subject: |
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If the insulation is gone there is a good possibility some of the strands of wire are broken. My opinion(2 cents worth) is spring for new wiring either a complete harness or a homemade one with new wires. The old adage" pay now or pay later" could very well apply. New wires of your choice vs watching your jeep burn. They are mostly steel, but there is still enough to make a pretty sad looking mess. _________________ 51 M38 ,52 M38 ,53 Jeep PU ,62 M 37 ,68 M 715 |
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BullRun Member
Joined: Mar 10, 2009 Posts: 459
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