Thread: 97-02 Pontiac Grand Prix Manual Dual HVAC to Automatic HVAC Conversion

Originally Posted by Slick2500

Using this same concept I am pretty positive I could upgrade the Hoe to digital climate control.

Good luck! Not sure what year yours is but here's some schematics that might help! http://www.autozone.com/repairinfo/r...96b43f80370a92

I've never dealt with front and rear at the same time, so it should be fun!