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Thread: Help figuring out wiring to ignition coil, etc (1973)

  1. #1
    Biafra for President e_racer1999's Avatar
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    Default Help figuring out wiring to ignition coil, etc (1973)

    Well I'm currently elbows deep in a project with some ***** wiring and I was wondering if someone could help. I basically had to strip down the harness from where I connect to the ignition coil and where the temp sensor goes. I have been using my FSM for my '72 and am hoping that most of my tracing and guessing is correct.

    Here is what I have so far. The wiring abbreviations will be the same as the FSM standard:

    Long -
    Y - Temp sensor
    G - ?
    BY - ?
    B (becomes 2x B)
    - Neg coil
    - Neg dizzy (btw, swapped in an E12-80... I know how to wire that

    Short -
    BW - Pos coil from dizzy
    GW (becomes 2x BW when visible outside the harness)
    - Tach (?)
    - Pos coil (?)

    I'm not completely certain on ANY of these connections, but the ones without the question marks I'm FAIRLY certain of. If anyone knows these or is willing to chop open a wiring harness....

    Thanks,
    Jason
    Jason King
    6/72 240Z / HLS30 89646 (Yellow)
    1996 Infiniti I30 *I finally have all Nissans again!*
    1971 510 4door (wife's car)
    IZCC Member #14186

    Quote Originally Posted by xray View Post
    As unfortunate as it may be, if you want to vintage race, go Euro....If you want to race for real, stick with the Z!

  2. #2
    Professional Nut carguyinok's Avatar
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    Default

    This is a post I had up asking alot of the same things.
    http://www.classiczcars.com/forums/s...light=hot+wire
    There is a link for a zip file FSM
    If your still unsure I have my 72 harness still open and will look for you tomorrow.
    I reside in Oklahoma and live at the wheel of my 240Z

    gimmie the Z or he's toast






  3. #3
    Biafra for President e_racer1999's Avatar
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    Default

    I have that as one of the 6 that I bookmarked while searching earlier The FSM is identical to the hard copy I have, but there were still some wires that I still wasn't sure about; although now I have some idea where the G & BY wires go to, i'm still not 100%

    If you wouldn't mind checking that would be AWESOME
    Jason King
    6/72 240Z / HLS30 89646 (Yellow)
    1996 Infiniti I30 *I finally have all Nissans again!*
    1971 510 4door (wife's car)
    IZCC Member #14186

    Quote Originally Posted by xray View Post
    As unfortunate as it may be, if you want to vintage race, go Euro....If you want to race for real, stick with the Z!

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