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  1. M

    1990 AW4 Reverse Issue

    Good news... Well, if bad news can be good news, then this is good news. I went for a test drive, first with the TCU connected and it seems to shift through the forward gears normally. Reverse is still a no go. I then disconnected the TCU and reverse works. However, first gear is not working...
  2. M

    1990 AW4 Reverse Issue

    ah, that's a good idea with using the regular switch - maybe easier than adding a bracket to hold the plastic one.
  3. M

    1990 AW4 Reverse Issue

    Thanks! its all 1989/90 stuff - 21 spline. I checked the output of the TCU and it has power to the number 1 solenoid wire. The RENIX tester from Nick in Time says it is in first gear too - I assume it means the solenoids are such that it would indicate 1st gear. I have not actually...
  4. M

    1990 AW4 Reverse Issue

    Hi all, I have been lurking through all the AW4 reverse question threads with great wonderment and a bit of confusion. Now that I am an official member... I too have a 1990 I-6 with AW4, both of which have been recently rebuilt. This is a Jeep that I am assembling from a multitude of...
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