1974 Duster 318 Factory Air

my controls look like this if that helps. Id love to not have to get behind the dash [ame="http://www.ebay.com/itm/1973-1974-1975-1976-DART-SPORT-DEMON-DUSTER-A-C-HEATER-CONTROL-PLYMOUTH-DODGE-/181472756695?pt=Vintage_Car_Truck_Parts_Accessories&hash=item2a409e83d7&vxp=mtr"]1973 1974 1975 1976 Dart Sport Demon Duster A C Heater Control Plymouth Dodge | eBay[/ame]