1988 chevy truck power source for the 4 wheel drive?
Tuesday, January 18th, 2011 AT 1:43 PM
1 Reply
MIKE H R
MECHANIC
3,094 POSTS
Check the wires going to the electronic shift module on the transfer case. If they are good listen to the module to see if it is trying to go into 4 wheel drive. If it does not the module could be bad.