have local dealer contact tech support and they can give you a list of every thing needed. if they cant ask again and i will find out. i know off the top of my head you need these items. 1)dash parking valve for trailer 2) two double check valves 3) glad hand hookups for rear 4) hand valve is optional 5) tap into foot valve port on bottom side (end away from dash) 6)air line to run from both valves (foot and parking brake) to tractor protection valve. then back to rear of truck. if you call 1-800-air-brake (Bendix) they may send you a schematic.
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