GMC Repair: Tach, Speedometer, Trans, gmc sierra, speedometer

Question
My Tach, Speedometer both stopped working at same time and the transmission will not shift above second now.

It is a '95 GMC Sierra K1500, 4WD, 350, Automatic

Desperately need some help........

Thanx.............

Len Andrews

Answer
hello len
this is a compuiter problem it needs to be reset first try takeing off the pos. cable off bat for 5 min then hook it back up hopes this works . if not a tranny shop or dealer will have to reprogam the compuiter let me know how you make out . good luck to u hun and u have a pretty name pete