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Engine Compartment Wiring

Discussion in 'Early CJ5 and CJ6 Tech' started by Vanguard, Dec 22, 2006.

  1. Dec 22, 2006
    Vanguard

    Vanguard Take Off! Staff Member

    Vista, CA USA
    Joined:
    Aug 30, 2006
    Messages:
    2,259
    I'm finishing up the wiring for the V6 in the engine compartment. My battery is mounted on the passenger side firewall. The heavy gauge battery cables, my rear light wiring, the ignition (start) wire and a CB antenna cable all drop down between the battery and the motor before heading off to their destinations. They come within about 3" - 4" of the headers and I'm concerned about heat.

    I've researched some insulating products but can't find anything I like that's very reasonable. I'm leaning towards a thermo-tec clamp on heat shield for the rear most header tube (closet to the wiring). I'd probably go for it, except I'm worried the diameter of small header tube may be too small for the product. Plus it's annoying that Summit want's 8.95 handling for any friggin order. No matter how big or small.

    I've looked locally as well, but can't find anything that I'm really happy with for the $$$. So I'm looking for suggestions.

    Thanks.
     
    Vanguard, Dec 22, 2006
    #1
  2. Dec 22, 2006
    trickpatrick

    trickpatrick Done? LOL

    North Idaho USA
    Joined:
    Nov 29, 2006
    Messages:
    838
    Shield the wires instead.
    That plastic split stuff should be good if you have a few inchs clearance.
     
    trickpatrick, Dec 22, 2006
    #2
  3. Dec 22, 2006
    MCSCOTT

    MCSCOTT Member

    Columbia, Tn
    Joined:
    Apr 24, 2006
    Messages:
    905
    X2. I've built some that ran pretty close and never had any problems as long as they were 3-4 inches away from the headers. The only one I ever had any trouble with was when my cousin re-routed it and for some reason had the wire laying directly on the header, and that one ran for two hours before it finally melted the insulation off, grounded out, and cought the truck on fire.:)
     
    MCSCOTT, Dec 22, 2006
    #3
  4. Dec 22, 2006
    beeser

    beeser Member

    Arizona
    Joined:
    Jan 8, 2003
    Messages:
    587
    Waytek has Ultra High Temperature Sleeving that's good up to 1200 deg. Maybe using some GXL wire (cross-linked polyethylene jacket stuff) would help too.
     
    beeser, Dec 22, 2006
    #4
  5. Dec 22, 2006
    AKCJ

    AKCJ Active Member

    Fairbanks, Alaska
    Joined:
    Aug 12, 2003
    Messages:
    1,035
    I've had the heat from the headers melt wiring that was more than 4 inches away. I went ahead and wrapped the headers with header wrap - the stuff that comes in a 2" wide roll. It's a pain and doesn't look very good, plus when you get it muddy on the trail it smells kinda funky. I don't like it but it does work.
     
    AKCJ, Dec 22, 2006
    #5
  6. Dec 27, 2006
    Montana Brown

    Montana Brown cowboy shooter

    Commerce, Ga
    Joined:
    Nov 16, 2004
    Messages:
    30
    Check out Eastwoods. They have lots of stuff for restoring and working on Jeeps or anything automotive.
     
    Montana Brown, Dec 27, 2006
    #6
  7. Dec 27, 2006
    Old Bill

    Old Bill Aggressively passive....

    Really Southern...
    Joined:
    Nov 12, 2004
    Messages:
    822
    I would bunch the wires up in the split loom, and then get some metal flashing and make a heat sheild that doesn't directly contact the wire loom but still covers it. As long as you have a few inches, you should be good.
     
    Old Bill, Dec 27, 2006
    #7
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