Car Wiring Diagrams for Trailer tow circuit, late production for Mercury Mountaineer II (2001-2005)
Trailer tow circuit, late production
1 2 3 4 TRAILER TOW CONNECTOR
BACK-UP LAMPS CIRCUIT
BATTERY CHARGE TRAILER TOW RELAY
BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON)
BLK WIRE
BLK/LT GRN WIRE
BLK/PNK WIRE
BLK/YEL WIRE
BRAKE PEDAL POSITION SWITCH (ABOVE BRAKE PEDAL)
BRN WIRE
BRN/WHT WIRE
BRN/YEL WIRE
BUMPER)
CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH)
DK BLU WIRE
DK BLU/WHT WIRE
DK GRN WIRE
DK GRN/YEL WIRE
EXTERIOR LAMPS CIRCUIT
FUSE 13
FUSE 20
FUSE 23
FUSE 25
FUSE 27
GRY/YEL WIRE
HOT AT ALL TIMES
HOT IN RUN OR START
J/C 3
LEFT TURN TRAILER TOW RELAY
LT GRN WIRE
LT GRN/RED WIRE
ORG/ WIRE
PARKING LAMP TRAILER TOW RELAY
PNK/WHT WIRE
REAR AUXILIARY JUNCTION BOX (AJB) (RIGHT "D" PILLAR)
RED WIRE
REVERSING LAMP TRAILER TOW RELAY
RIGHT TURN TRAILER TOW RELAY
TAN/BLK WIRE
TRAILER ELECTRONIC BRAKE CONTROL MODULE (UNDER LEFT SIDE OF DASH PANEL)
TRAILER TOW CONNECTOR (CLASS III/IV) (AT REAR OF VEHICLE, BELOW
WHT WIRE
YEL WIRE