I have a 1999 GMC Jimmy. Blew the transmission in August and bought a 98 GMC Jimmy and installed the 98 transmission into the 99 Jimmy. Now it seems that the 4x4 doesnt engage. Last October I had problem with the actuator and had a mechanic install it. What should be my first step? Thanks Janessa
Dec 29, 2012 at 8:41 PM