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Thread: Digital 6AL, no spark.

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  1. #1
    Join Date
    Sep 2018
    Posts
    4

    Default Digital 6AL, no spark.

    Hello. I bought a brand new Digital 6AL & 8910EIS tach adapter to install on my 1990 Celica GTS with a 2.2L engine. The problem I'm getting is it won't stay running. I get one single pop when I turn it over, but that's it. Everything was bought new not used. I have wired it as follows:
    Original coil negative - Tach Adapter Black
    Original coil positive - MSD small Red
    Tach Adapter Red - MSD small red (splice in)
    Tach Adapter Green - MSD Purple and Green
    MSD Orange - Coil Positive
    MSD Small Black - Coil Negative
    MSD Large Red - Battery Positive
    MSD Large Black - Battery Negative
    It seems like it fires, but doesn't run. It just gives me one pop, but that's it. Any help is appreciated! I've been chasing this problem for a while now any help is appreciated! The car runs just fine when I remove the MSD box, so I'm thinking it could be a wiring issue.

  2. #2
    Join Date
    Sep 2018
    Posts
    4

    Default

    Bump. Really hoping someone can help me out. I've spent a lot of money to get this going and it's still not running.

  3. #3

    Default

    Well let's go over some of the wiring then.
    How much voltage do you get on the small red wire WHILE CRANKING the vehicle over?
    Is this also the stock distributor?
    And the tach adapter DOES NOT go to the negative side of the coil.
    shake-n-bake

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