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Thread: TH425 to 411 for forced downshift ..didnt know where to put this one

  1. #1
    Tuner in Training
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    TH425 to 411 for forced downshift ..didnt know where to put this one

    Hey dont know if anyone has done the Eldorado wiring for the 1220041 was looking for some advice to use forced downshift for a customer

    Thanks if anyone can help
    Jim

  2. #2
    Tuner in Training
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    The TH425 is not pcm controlled it will have a electrical plug on the side of the box which goes thru a switch that will supply 12v pos to a solenoid when it is at full throttle then it will down shift.

  3. #3
    Tuner in Training
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    awesome Thanks Overdrive915

  4. #4
    Tuning Addict blindsquirrel's Avatar
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    TH425 is just a transverse-ized TH400.