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    Shifting troubles on a GM 700 R4 1989 TRANS?

    I finally got the thing to shift by jacking up the rear and putting it in OD, apparently it was 2 separate things. 1 the ECM had to reset in order to send the Torque converter clutch switch a signal in order to open the valves to up shift and no one really knows how long it would take by driving...
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