trans not shifting right
speed hand not working on 1994 GMC Vandura 2500
There are many possibilities what could be effecting this condition and way too many to be guessing on. If you want to get this problem diagnosed professionally, please call us , (313) 208-7752 or schedule your appointment on line at StansGarage.net. I am sure we can diagnose your problem and give you the answer you need.