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  • Where does the purple wire get its juice??
  • Where does the purple wire get its juice??
  • Where does the purple wire get its juice??
  • Where does the purple wire get its juice??

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  1. #1
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    1984 Two tone Light/Medium blue metallic
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    Default Where does the purple wire get its juice??

    Hi folks,

    1984 Corvette, all original stock

    I PROMISE I will be using the search feature and dig about, but I am so close to solving my no-crank issue!
    Mind you, I bought my Corvette without ever driving it, so I hope you can understand!

    I can apply power via my power probe 3 to the purple wire on the theft-deterrent relay AKA the starter interrupt relay (i think), cranking happens and she runs GREAT!
    So obviously, I have an open or short to ground somewhere between the ignition switch and the relay. Does anyone happen to know where the source voltage for the purple wire comes from? Ignition module? Ignition module is new by the way, the old one looked worse for wear, but no corrosion. Using my power-probe to start the car all the time isn't exactly practical

    Thank you!

  2. #2
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    Default

    Found what I needed! Link here for future use in case someone (or I) run into the same problem in the future!

    https://photobucket.com/gallery/user/88f150xlt/media/cGF0aDovODQgODUgdGhlZnQgZGV0ZXJlbnRfenBzcWQ2a3Q1YWwuanBn/?ref=

    (Thanks to ECSS if you are still around!)

  3. #3
    Member LLC5's Avatar
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    98 black 6spd convert.
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    Default

    Quote Originally Posted by Desperado View Post
    Found what I needed! Link here for future use in case someone (or I) run into the same problem in the future!

    https://photobucket.com/gallery/user/88f150xlt/media/cGF0aDovODQgODUgdGhlZnQgZGV0ZXJlbnRfenBzcWQ2a3Q1YWwuanBn/?ref=

    (Thanks to ECSS if you are still around!)


    So what was your problem?

    Do you understand how the circuit works?
    Master Technician

    25+ year ASE Master Certified Tech

    22+ year Honda Master Tech
    Thanks Desperado thanked for this post

  4. #4
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    Default

    Hi LLC5,

    Turned out to actually be the linkage coming from the ignition cylinder binding. Can't believe I didn't notice it before.

    I definitely understand the circuit.. automotive electrical and CAN bus systems are my livelihood. I just don't love approaching an electrical problem without a diagram.

    Thank you!
    Likes LLC5 liked this post

  5. #5
    Member LLC5's Avatar
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    Default

    Quote Originally Posted by Desperado View Post
    Hi LLC5,

    Turned out to actually be the linkage coming from the ignition cylinder binding. Can't believe I didn't notice it before.

    I definitely understand the circuit.. automotive electrical and CAN bus systems are my livelihood. I just don't love approaching an electrical problem without a diagram.

    Thank you!

    Understood........
    Master Technician

    25+ year ASE Master Certified Tech

    22+ year Honda Master Tech

  6. #6
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    1990 conv. 6sp
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    Default

    If your going to be working on the care more often you should order the factory service manual.

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