Motafinga
Adventurer
I have an F250 PSD that used to drive me nuts with the hot vent problem so I went with a simple 15 buck 2 port valve that has a manual mechanism to run a cable to. I ran a manual choke cable through the firewall to turn it on and off. Works great total cost 25 bucks
http://www.amazon.com/gp/product/B001B7BUAU?psc=1&redirect=true&ref_=oh_aui_detailpage_o06_s00
http://www.amazon.com/gp/product/B007VRDMWS?psc=1&redirect=true&ref_=oh_aui_detailpage_o09_s00
http://www.amazon.com/gp/product/B001B7BUAU?psc=1&redirect=true&ref_=oh_aui_detailpage_o06_s00
http://www.amazon.com/gp/product/B007VRDMWS?psc=1&redirect=true&ref_=oh_aui_detailpage_o09_s00