94 C3500 7.4l 454 trans jumps in and out of gear
clevis1
05-19-2012, 09:28 PM
I have a 94 C3500 and the transmission will not stay in 3rd or go to overdrive. It will shift from 3rd back to second over and over as I'm driving like there is a loose wire or something. My speedometer whacks out when this happens. I have not done anything to it yet, but I did check out wires going to sensors and all look OK. I am not a mechanic by any means, but I can usually tackle most things if I know what to do. Any help with this would be great.
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