Air Brake Park Brake Control Schematic. GMC Truck GMC C-Series Medium Duty Truck B7 1998

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC C-Series Medium Duty Truck B7 🢒 Brakes 🢒 Air Brakes 🢒 Air Brake Park Brake Control Schematic


(1)	(Air Line)Trailer Park Valve to Park Brake Control Valve
(2)	(Air Line) Trailer Supply Valve to Trailer Park Valve
(3)	(Air Line) System Park Valve to Trailer Park Valve