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Thread: Ignition wiring
          
   
   

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  1. #1
    Matt167's Avatar
    Matt167 is offline CHR Member Visit my Photo Gallery
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    Ignition wiring

     



    ok, here's my dileima, I'm putting on a MSD 6 BTM box on my '67 Falcon, using a factory DSII distributor and a 8869 harness for the DSII- MSD connector ( plugs into the factory distributor plug ). that's the easy part. next part is, I need a 12v switched source, and I know my coil wire is my best bet, but it's a resistor wire, and when I checked it, produced 7.2V at idle ( I was having an intermittent problem with the bypass circut, so it wouldn't start, no need for a bypass ne more, so I'm not worried ), not enough for the MSD I don't belive. now, I know that I have to splice b4 the resistor wire, or run a new wire off the ign switch, but... which wire is it? I had every wiring diagram I needed ( even tho it was for a Mustang, Falcon and Mustang harnesses, are the same ) on my computer, but IDK where I put them. I kno I could go the easy way out and get a relay that will act on the low voltage, and wire it in that way but, that's cheap.
    Last edited by Matt167; 03-02-2007 at 04:44 PM.
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  2. #2
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Just take your test meter, and see which wire on the switch is hot in the run position, connect your new wire to that terminal......
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  3. #3
    Gearhead559's Avatar
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    make sure its also hot during cranking or youll still have starting issues.

  4. #4
    Matt167's Avatar
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    Quote Originally Posted by Gearhead559
    make sure its also hot during cranking or youll still have starting issues.
    I could fix and connect the original bypass to the MSD box switched wire, if it wasn't hot on cranking
    You don't know what you've got til it's gone

    Matt's 1951 Chevy Fleetline- Driver

    1967 Ford Falcon- Sold

    1930's styled hand built ratrod project

    1974 Volkswagen Super Beetle Wolfsburg Edition- sold

  5. #5
    NTFDAY's Avatar
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    Matt, I'll PM you a copy of a 66 Mustang wiring diagram as soon as I get out to the garage.
    Ken Thomas
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