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Thread: 90 chevy speedometer wire

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  1. #1
    Join Date
    Jun 2016
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    2
    I am wondering which wires on the 4L60E you are referring to? Do you have a picture? Are they spliced in to the speed output to the PCM or did you cut them and only run them to the purple/green wires?

  2. #2
    Join Date
    Jun 2016
    Posts
    2
    Quote Originally Posted by codyvette View Post
    I am wondering which wires on the 4L60E you are referring to? Do you have a picture? Are they spliced in to the speed output to the PCM or did you cut them and only run them to the purple/green wires?
    After waiting for a bit, I gave up and just tried it. The output wires from the transmission (purple and green) can feed the computer and the gauge in the dash. They are parralleled.

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