[CamP]

Originally Posted by secondchance

Below Is QB93Z thread on replacing the programmer.
http://www.zr1.net/forum/showthread.php?t=27542

Jim as far as I know went in the deepest with HVAC diagnose and repair.
Reach out to Jim (QB93Z) and tap his knowledge.

Good luck!

Thanks for that link. It appears that a kinked vacuum line under the passenger side hush panel fixed his similar issue.

I hope it's that easy! I replaced the ac programmer back in '97 and that job was no fun!