check pig tail at speedsensor at rear at trans case or trans. or if that fails change vehicle speed sensor
If the transmission a computer shifting transmission, then you need to hook up the eltronic speed sensor to be able to read speedometer. The gear reading is on the dash column, in which a wire hooks to the steering column.
700r4
4l80e
4l80e
4l80e or 4l80-e is the tranny they use and they do have to of them, one is for the speedometer gauge and one tells it when to shift
It should be a 4L80E.
what is the line pressure for a 2003 gmc 2500
Check the side around the tailshaft.
DextronDextron
The speedometer cable connection is on the transmission tail shaft housing, drivers side. They went electric (no cable) in 1988 in the trucks.
hydromatic 400
I didn't know there was one.