Ford Ranger II facelift (2009-2011) Trailer tow circuit

AUTO BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CONTROL DK GRN WIRE EXTERIOR LAMPS CIRCUIT FUSE FUSE 23 FUSE 31 GRY WIRE HEAD HOT AT ALL TIMES LOW CURRENT BOARD MAIN LIGHT SWITCH OFF PARK PARK LAMP RELAY RED WIRE SENSE SMART JUNCTION BOX (SJB) (RIGHT KICK PANEL) TRAILER TOW CONNECTOR VIO WIRE WHT WIRE YEL WIRE