That would be a 4L80E
yes it will.
A 4L80E automatic 4 speed with overdrive
That would be the 4L80E transmission.
NO.
That would be the 4L80E transmission
Cheyenne is an accessories package, timr, lighting, cigaretter lighter, seat covers, etc
If your 1995 Chevy 2500 truck won't go in reverse, you got some transmission problems.
That would be the 4L80E transmission.
You can find a stereo wiring diagram for your 1990 Chevy Cheyenne 2500 at most Chevrolet dealerships. The stereo wiring diagram will be in Chevrolet service manuals at your local library.
1988 Chevy Cheyenne 2500 cost me $1700 with a 1 year warranty...I'm told that's good compared to most.
The Allison
That would be the 4L80E.