Engine harness Question

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    Author Topic: Engine harness Question  (Read 859 times)

    Offline 70CudaProstreet

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    • Posts: 91
    Engine harness Question
    « on: May 15, 2019 - 09:59:37 PM »
    Getting ready to install the engine harness on my 70 Cuda. I purchased a new one from Classic for a points distributor as it said in the description that the points version was easier to wire up for a MSD set up. I’ ve since read somewhere that somebody is making a really nice harness already set up for a MSD ignition that wouldn’t have cost much more and would be plug and play.Thinking of going that route. Anybody know who that person is selling those? Thanks for any info.
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    70 Pro Street Cuda
    76 Pro Street Plymouth Arrow
    2005 Magnum R/T modded
    2006 Dodge Ram 2500 4x4 CTD


    Offline 70chall440

    • Sr. Resident
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    Re: Engine harness Question
    « Reply #1 on: May 15, 2019 - 11:35:53 PM »
    Not sure who makes a harness but I am not sure why you would need one. Here is the set up

     heavy red = 12v batt
    - heavy black = good ground source
    - white is your trigger if using points
    - orange = goes to the + side of your coil
    - black = goes to the negatine side of your coil
    - small red = switched 12v , basically ignition (has to have power in both run and while cranking)
    - green and Violet wires= go to your distributor magnetic pickup, green to black(m-) and violet to orange(m+)
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    Current Mopar
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    05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
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    Offline 70CudaProstreet

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    • Posts: 91
    Re: Engine harness Question
    « Reply #2 on: May 15, 2019 - 11:54:31 PM »
    Thanks again man. I’ll keep what I have then. It’s just a 6AL setup. So the white will be abandoned then correct?
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    70 Pro Street Cuda
    76 Pro Street Plymouth Arrow
    2005 Magnum R/T modded
    2006 Dodge Ram 2500 4x4 CTD

    Offline 70chall440

    • Sr. Resident
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    Re: Engine harness Question
    « Reply #3 on: May 15, 2019 - 11:59:36 PM »
    Correct unless you need something triggered like an EFI system.

    One thing you will run into is getting the power during run and start. I would have to go back and research it or look at my wiring diagrams, but I believe you tie into the brown and blue wires going to your ballast resistor.
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    Current Mopar
    70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
    05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
    Past Mopars
    9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)
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