Crossroads Rv Wiring Diagram. Posted on jun 26 2015.complete with a color coded trailer wiring diagram for each plug type, including a 7 pin trailer wiring diagram,. 7 way rv wiring diagram / trailer wiring diagram 7 way to 4 way. fifth wheel trailer wiring diagram from circuitpartnichols.z21.web.core.windows.net 32 wire harness/connector plug 32 know your […]