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Nic Member
Joined: Dec 03, 2009 Posts: 116 Location: United Kingdom
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Posted: Wed Nov 19, 2014 8:07 am Post subject: M38a1 Molded Splicing Blocks |
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Guys
I want to get this right, do the Molded Splicing Blocks on the wiring loom sit inside or outside the rear left Chassis strengthening Gusset?
I have looked in the loom disconnect points in the TM9-8015 and to be honest it looks to be on the outside but my copy is a little blurry.
Thank You
Regards
Nic _________________ Restoring 1956 M38A1 Nekaf |
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skyjeep50 Member
Joined: Feb 20, 2007 Posts: 606 Location: Illinois
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Posted: Wed Nov 19, 2014 9:28 am Post subject: |
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When I rewired my M38 the block wound up on the top of the rear crossmember to the inside of the frame. That's where the wires stretched out to be from the right rear lights to the left. If you look at page 11 of the M38 power train manual the pic shows the block on the top or perhaps within the left frame member. http://willysmjeeps.com/downloads/M38-powerTrainBodyFrame.pdf I thnk that's where the original splice block was when I tore out the old harness.
On my M38A1 the splice block is inside the rear frame strengthening gusset. That is a fairly protected place on the frame. That jeep also has a repro wiring harness although I didn't install it.
So, it might be a matter of trial and fit if you have a new harness. _________________ 1951 M38 |
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Nic Member
Joined: Dec 03, 2009 Posts: 116 Location: United Kingdom
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Posted: Wed Nov 19, 2014 9:58 am Post subject: |
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Thanks for the quick reply.
It's a quandry if you look at TM9-8015 Page 67 it looks to be laid flat on it's side up aginst the strenghtening gusset I think!!!!
Different vehicles but similar chassis, different method of mounting?
Once I know how it is mounted I will start clipping the loom from the back forward.
Regards
Nic _________________ Restoring 1956 M38A1 Nekaf |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16241 Location: Wisconsin
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chrisk Member
Joined: Apr 22, 2012 Posts: 119 Location: the Netherlands
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Posted: Wed Nov 19, 2014 3:30 pm Post subject: |
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Hi Nic,
See member albums, page1, my album sinrisnekaf page 3 photos of the placement of the main harness.
You start at the steeringhouse, see picture 01) Uitgangs positie etc.
More questions let me know.
Chris _________________ 2x 1956 M38A1(Nekaf);1954 1/4TON trailer,Polynorm(Dutch);1983 Honda VF750C (Magna) |
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Nic Member
Joined: Dec 03, 2009 Posts: 116 Location: United Kingdom
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Posted: Wed Nov 19, 2014 3:31 pm Post subject: |
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Thanks as always Chris
Regards
Nic _________________ Restoring 1956 M38A1 Nekaf |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16241 Location: Wisconsin
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skyjeep50 Member
Joined: Feb 20, 2007 Posts: 606 Location: Illinois
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Posted: Thu Nov 20, 2014 9:15 am Post subject: |
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My splice block is pretty much just stuck behind the gusset on the left rear frame rail. This is a repro harness and at many points the wiring is held in place by modern wire ties, in other places by the original clips. The wire bundle is quite stiff, the block, while not tied down itself, can't move around much. _________________ 1951 M38 |
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Nic Member
Joined: Dec 03, 2009 Posts: 116 Location: United Kingdom
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Posted: Thu Nov 20, 2014 3:08 pm Post subject: |
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Thanks Wes,Chris & SkyJeep
I have a better understanding how it should be located now.
Regards
Nic _________________ Restoring 1956 M38A1 Nekaf |
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chrisk Member
Joined: Apr 22, 2012 Posts: 119 Location: the Netherlands
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Posted: Thu Nov 20, 2014 4:47 pm Post subject: |
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Hi Wes,
The main harness is made by myself.
This is axacte copy of two existing used original main harness that came of the M38A1(Nekaf).
I used original Prestolite cable AWG No. 14 and other Original parts.
Tomorrow I sent you a photo of "how the splice block is tucked into your rear left frame rail".
Chris _________________ 2x 1956 M38A1(Nekaf);1954 1/4TON trailer,Polynorm(Dutch);1983 Honda VF750C (Magna) |
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STXM38A1 Member
Joined: Jul 25, 2009 Posts: 139 Location: Fair Oaks Ranch, Texas
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Posted: Thu Nov 20, 2014 9:22 pm Post subject: |
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My M38A1 had barely enough Bubba wire to run so I'm not familiar with the "Splice Block".
Is it mostly a protective cover, or is it more like a junction box.
Is it waterproof?
Is it permanently molded or cast in place, or is it removable?
What material is it made with?
Do you fabricate it when making your own harness, or are ready-to-use blocks available from the military parts suppliers?
Thanks _________________ Warren
M38A1 12/54 MD 78343
PHOTO ALBUM:
http://www.willysmjeeps.com/v2/modules.php?set_albumName=album33&op=modload&name=gallery&file=index&include=view_album.php |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16241 Location: Wisconsin
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Posted: Fri Nov 21, 2014 9:08 am Post subject: |
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Quote: | Is it mostly a protective cover, or is it more like a junction box. NO & NO
Is it waterproof? Yes
Is it permanently molded or cast in place, or is it removable? Permanently molded rubber block.
What material is it made with? Rubber
Do you fabricate it when making your own harness, or are ready-to-use blocks available from the military parts suppliers? I have never seen a new block being sold. The harness is spliced at that point during assembly and then wrapped in the molded rubber box. |
_________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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chrisk Member
Joined: Apr 22, 2012 Posts: 119 Location: the Netherlands
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Posted: Fri Nov 21, 2014 4:58 pm Post subject: |
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Wes,
Photo's of the splice block the left frame rail and detail of 1 to 2 and 1 to 3 cable splice block, see my album.
Chris _________________ 2x 1956 M38A1(Nekaf);1954 1/4TON trailer,Polynorm(Dutch);1983 Honda VF750C (Magna) |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16241 Location: Wisconsin
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chrisk Member
Joined: Apr 22, 2012 Posts: 119 Location: the Netherlands
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Posted: Sat Nov 22, 2014 2:40 am Post subject: |
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Hi Wes,
Do you have a picture or photo of the:
" The American built M38A1's have a single large rectangular splice block that encloses all the splices that occur at the left rear corner of the harness."
Chris _________________ 2x 1956 M38A1(Nekaf);1954 1/4TON trailer,Polynorm(Dutch);1983 Honda VF750C (Magna) |
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