AC Control Max versus Norm Air Flow
Former Vendor
Joined: Aug 2006
Posts: 76,656
Likes: 1,852
From: Jeffersonville Indiana 812-288-7103
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
Pro
Joined: Nov 2006
Posts: 708
Likes: 1
From: Wyoming DE
When I put mine on Max it puts the fan on High speed. When you flip it over to norm it just uses the speed selector for 4 different speeds but not high(or does not engage the high fan speed relay on the firewall). I thought something was wrong but I checked the switch and the high speed relay and that is the way it is wired. On a 77.
Burning Brakes
Joined: Dec 2010
Posts: 945
Likes: 10
From: Winston Salem NC
I notice a difference in airflow from the vents when I switch from normal to max. It has to do with the floor vent opening and the cowl/wiper vent closing. On max it is just recirculating cabin air. When on norm, it is pulling in air form outside and forcing air into the cabin...kinda like blowing up a balloon. You can actually feel the air going past the door seals when set on norm.
