Mercury Mountaineer III (2005-2010) Trailer tow circuit, with light duty

1 2 3 4 TRAILER TOW CONNECTOR (AT REAR OF VEHICLE, BELOW BUMPER) BATTERY JUNCTION BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CONTROL FUSE 17 BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) FUSE 25 FUSE 7 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES SMART JUNCTION BOX (SJB) (BEHIND LEFT SIDE OF DASH) HSD NOT USED NOT USED PARK LAMP RELAY RED WIRE WHT WIRE YEL WIRE