ITS NEW CAB CONTROLLER FOR CARRIER SUPRA !!BUT ITS NOT WORKING ON S SERIES REFRIGERATION UNITS 12-00773-00 ORIGINAL Cab Controller for Carrier Supra 1250 1150 1050 950 750 850 560UNITS :Supra 750 / Supra750Supra 850 / Supra850Supra 950 / Supra950Supra 1050 / Supra1050Supra 1150 / Supra1150Supra..