![]() ![]() The trans seems to shift fine with no driveabilty issues. I've checked for DTCs, and none are present. ![]() I have quickly inspected the 2 connectors in the bottom of the controller, and they visually look OK. I think I have a WTEC II controller (with integral controller/computer). When the "R" button is pressed from "N", the speedo will PEG and return to 0 MPH when the trans engaged into reverse. This can be duplicated when stopped if you shift into reverse. It appears whenever the Trans Computer is commanding a shift solenoid, the speedometer will "PEG". I've noticed recently that when the transmission shifts, the speedometer will "PEG" at maximum speed until the shift is completed. I have a 1994 Safari with a C8.3 Cummins and a MD3060 trans. Thanks in advance for all your help to us fellow RVers. Decent folks in this day and age are a breath of fresh air. Allison Man, you are indeed just that, "the man" Keep up the great work and help you've given to everyone. I just need pointed in the right direction to get started with this project. I know it will be a bit of work, but the 3060's work so much better the the old 600 series transmissions. I'm told to mate an electronic allison to a mechanical motor, I'll need to add a TPS, I'll also need a different flywheel/flexplate, I need to find a wiring schematic for the transmission and where to land the wires from the harness to my truck. I purchased a complete truck from a friend that has a blown 3126 Cat, so now I have the complete tranny (was working perfectly when the engine blew) with ECU, wiring harness, the correct axle ratio I'm going to need. I'd like to swap out a 643 allison that's currently running behind my mechanical 8.3 cummins with an MD3060P. I've recently been trying to get some infomation that I'm desparately needing. I just realised that this is AllisonMan's posting domain.
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