Ford Pickup F350 Super Duty (1999-2012) main light switch Wiring diagrams

4 2 (2005) (EXCEPT 2005) 5 1 (2005) (EXCEPT 2005) AUTO AUTO AUTO HEAD OFF OFF PARK AUXILIARY RELAY BOX 1 (BEHIND LEFT CENTER OF DASH) BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) FUSE 17 DK BLU WIRE DRIVER SIDE EXTERIOR REAR VIEW MIRROR FUSE 18 FUSE 27 FUSE 7 GRN WIRE HEAD PARK HEADLIGHTS INTERIOR SYSTEM LIGHTS (FOG LIGHTS SYSTEM CIRCUIT) HIGH MOUNTED STOPLAMP HOT AT ALL TIMES HOT IN RUN INDICATOR FLASHER RELAY INSTRUMENT CLUSTER LEFT LEFT CENTER CENTER LEFT FRONT PARK/TURN LAMP LEFT FRONT SIDE LAMP LEFT REAR PARK/STOP TURN LAMP LEFT TAIL- LAMPS LT BLU WIRE LT BLU/PNK WIRE LT GRN WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/WHT WIRE MAIN LIGHT SWITCH MICROPROCESSOR MULTI- FUNCTION SWITCH NCA WIRE OFF ON OFF HAZARD SWITCH ORG/ WIRE ORG/LT BLU WIRE PARK LAMP RELAY PASSENGER SIDE EXTERIOR REAR VIEW MIRROR RIGHT CENTER RIGHT RIGHT FRONT PARK/TURN LAMP RIGHT FRONT SIDE LAMP RIGHT REAR PARK/STOP TURN LAMP RIGHT TAIL- LAMPS RIGHT TURN INDICATOR LEFT TURN INDICATOR RIGHT TURN SWITCH LEFT ROOF MARKER LAMPS TAN WIRE TAN/WHT WIRE VEHICLE SECURITY MODULE (VSM) (BEHIND LEFT SIDE OF DASH) W/ BOX W/ POWER EQUIPMENT W/ POWER MIRRORS W/O BOX WHT WIRE WHT/LT BLU WIRE WHT/RED WIRE WITH DUAL REAR WHEEL, W/ BOX OTHERS

4 2 (2005) (EXCEPT 2005) 5 1 (2005) (EXCEPT 2005) AUTO AUTO AUTO HEAD OFF OFF PARK AUXILIARY RELAY BOX 1 (BEHIND LEFT CENTER OF DASH) BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) FUSE 17 DK BLU WIRE DRIVER SIDE EXTERIOR REAR VIEW MIRROR FUSE 18 FUSE 27 FUSE 7 GRN WIRE HEAD PARK HEADLIGHTS INTERIOR SYSTEM LIGHTS (FOG LIGHTS SYSTEM CIRCUIT) HIGH MOUNTED STOPLAMP HOT AT ALL TIMES HOT IN RUN INDICATOR FLASHER RELAY INSTRUMENT CLUSTER LEFT LEFT CENTER CENTER LEFT FRONT PARK/TURN LAMP LEFT FRONT SIDE LAMP LEFT REAR PARK/STOP TURN LAMP LEFT TAIL- LAMPS LT BLU WIRE LT BLU/PNK WIRE LT GRN WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/WHT WIRE MAIN LIGHT SWITCH MICROPROCESSOR MULTI- FUNCTION SWITCH NCA WIRE OFF ON OFF HAZARD SWITCH ORG/ WIRE ORG/LT BLU WIRE PARK LAMP RELAY PASSENGER SIDE EXTERIOR REAR VIEW MIRROR RIGHT CENTER RIGHT RIGHT FRONT PARK/TURN LAMP RIGHT FRONT SIDE LAMP RIGHT REAR PARK/STOP TURN LAMP RIGHT TAIL- LAMPS RIGHT TURN INDICATOR LEFT TURN INDICATOR RIGHT TURN SWITCH LEFT ROOF MARKER LAMPS TAN WIRE TAN/WHT WIRE VEHICLE SECURITY MODULE (VSM) (BEHIND LEFT SIDE OF DASH) W/ BOX W/ POWER EQUIPMENT W/ POWER MIRRORS W/O BOX WHT WIRE WHT/LT BLU WIRE WHT/RED WIRE WITH DUAL REAR WHEEL, W/ BOX OTHERS

4 2 (2005) (EXCEPT 2005) 5 1 (2005) (EXCEPT 2005) AUTO AUTO AUTO HEAD OFF OFF PARK AUXILIARY RELAY BOX 1 (BEHIND LEFT CENTER OF DASH) BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) FUSE 17 DK BLU WIRE DRIVER SIDE EXTERIOR REAR VIEW MIRROR FUSE 18 FUSE 27 FUSE 7 GRN WIRE HEAD PARK HEADLIGHTS INTERIOR SYSTEM LIGHTS (FOG LIGHTS SYSTEM CIRCUIT) HIGH MOUNTED STOPLAMP HOT AT ALL TIMES HOT IN RUN INDICATOR FLASHER RELAY INSTRUMENT CLUSTER LEFT LEFT CENTER CENTER LEFT FRONT PARK/TURN LAMP LEFT FRONT SIDE LAMP LEFT REAR PARK/STOP TURN LAMP LEFT TAIL- LAMPS LT BLU WIRE LT BLU/PNK WIRE LT GRN WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/WHT WIRE MAIN LIGHT SWITCH MICROPROCESSOR MULTI- FUNCTION SWITCH NCA WIRE OFF ON OFF HAZARD SWITCH ORG/ WIRE ORG/LT BLU WIRE PARK LAMP RELAY PASSENGER SIDE EXTERIOR REAR VIEW MIRROR RIGHT CENTER RIGHT RIGHT FRONT PARK/TURN LAMP RIGHT FRONT SIDE LAMP RIGHT REAR PARK/STOP TURN LAMP RIGHT TAIL- LAMPS RIGHT TURN INDICATOR LEFT TURN INDICATOR RIGHT TURN SWITCH LEFT ROOF MARKER LAMPS TAN WIRE TAN/WHT WIRE VEHICLE SECURITY MODULE (VSM) (BEHIND LEFT SIDE OF DASH) W/ BOX W/ POWER EQUIPMENT W/ POWER MIRRORS W/O BOX WHT WIRE WHT/LT BLU WIRE WHT/RED WIRE WITH DUAL REAR WHEEL, W/ BOX OTHERS

6.0L AIR CONDITIONING SYSTEM AUTOMATIC A/C MANUAL A/C BATTERY JUNCTION BOX (BJB) (LEFT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE CENTRAL DAYTIME RUNNING LAMPS (DRL) RELAY 1 DAYTIME RUNNING LAMPS (DRL) RELAY 2 DAYTIME RUNNING LAMPS (DRL) RELAY 3 DAYTIME RUNNING LAMPS (DRL) RESISTOR (ON LEFT FRONT SIDE OF ENGINE COMPT) DK BLU WIRE DK BLU/ORG WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM FOG LAMP ILLUMINATION FOG LAMP RELAY FUSE 13 FUSE 17 FUSE 27 JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) FUSE 30 FUSE 46 FUSE 47 FUSE 7 JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) GRY WIRE HEAD OFF HEADLAMP RELAY HI BEAM INDICATOR HI LO HI PASS LO HOT AT ALL TIMES HOT AT ALL TIMES CENTRAL JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) HOT IN RUN INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HEADLAMP LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE LT LT MAIN LIGHT SWITCH MICROPROCESSOR MULTI- FUNCTION SWITCH ORG/ WIRE PARK AUTO PARK ON OFF FOG HEAD OFF PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH, (ON PARK BRAKE ASSEMBLY) PASS PNK PNK WIRE PNK WIRE PNK/ORG WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT HEADLAMP SIDE OF DASH) SUNLOAD SENSOR (TOP CENTER OF DASH) TAN WIRE TAN/WHT WIRE VEHICLE SECURITY MODULE (VSM) (BEHIND LEFT W/ SEALED BEAM HEADLAMPS W/O SEALED BEAM HEADLAMPS (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE

BATTERY JUNCTION BOX (BJB) (LEFT REAR CORNER OF ENGINE COMPARTMENT) BLK WIRE BLU WIRE DAYTIME RUNNING LAMPS RELAY FOG LAMPS FUSE 16 FUSE 17 FUSE 22 FUSE 23 FUSE 44 GRN WIRE GRN/BLU WIRE HI LO HIGH BEAM IND HIGH BEAM RELAY HOT AT ALL TIMES HOT IN START OR RUN ILLUMINATION INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LEFT HEAD- LAMP LO HI LOW BEAM LOW BEAM RELAY MAIN LIGHT SWITCH MULTI- FUNCTION SWITCH NEUTRAL FLASH NEUTRAL HIGH FLASH OFF LOW BEAM OFF OFF PARK ORG/ WIRE PARK RED WIRE RIGHT FRONT FOG LAMP RIGHT HEAD- LAMP W/ FOG LAMPS WHT WIRE YEL WIRE

AIR BAG SLIDING CONTACT AUTOMATIC A/C BLK WIRE BLOWER MOTOR RELAY BRAKE SHIFT INTERLOCK DATA LINK CONNECTOR (DLC) EATC MODULE INDICATOR FLASHER RELAY INSTRUMENT CLUSTER MAIN LIGHT SWITCH MESSAGE CENTER MODULE SWITCH MULTIFUNCTION SWITCH NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH PNK PNK WIRE PNK WIRE POWER SLIDING REAR WINDOW SWITCH STEERING WHEEL/ SPEED CONTROL SWITCH SUNLOAD SENSOR TRAILER TOW BATTERY CHARGE RELAY VIO WIRE W/ EATC W/ FOG LAMPS W/ POWER SLIDING REAR WINDOW WHT WIRE WINDSHIELD WIPER MOTOR

AUTO PARK BATTERY JUNCTION BOX (BJB) (LEFT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) BRN WIRE CENTRAL JUNCTION CENTRAL JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) DAYTIME RUNNING LAMPS (DRL) RELAY 1 DAYTIME RUNNING LAMPS (DRL) RELAY 2 DAYTIME RUNNING LAMPS (DRL) RELAY 3 DAYTIME RUNNING LAMPS (DRL) RESISTOR (ON LEFT FRONT SIDE OF ENGINE COMPT) DK BLU WIRE DK BLU/ORG WIRE DK GRN WIRE FOG LAMP ILLUMINATION FOG LAMP RELAY FUSE 13 FUSE 17 FUSE 27 FUSE 30 FUSE 43 FUSE 46 FUSE 47 FUSE 7 GRY WIRE HI BEAM INDICATOR HI PASS PASS LO LO HOT AT ALL TIMES HOT IN RUN HOT IN START OR RUN INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FRONT FOG LAMP LEFT HEADLAMP LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE LT LT MAIN LIGHT SWITCH MULTI- FUNCTION SWITCH OFF HEAD ORG/ WIRE PARK OFF FOG HEAD OFF PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH, (ON PARK BRAKE ASSEMBLY) PNK PNK WIRE PNK WIRE PNK/ORG WIRE POWERTRAIN CONTROL MODULE (DIESEL) (LEFT SIDE OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT FOG LAMP RIGHT HEADLAMP TAN WIRE TAN/WHT WIRE W/ SEALED BEAM HEADLAMPS W/O SEALED BEAM HEADLAMPS (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE

AUTO PARK BLK WIRE BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/ORG WIRE DK GRN WIRE FOG FOG LAMP ILLUMINATION FOG LAMP RELAY FUSE 17 FUSE 30 FUSE 46 FUSE 43 FUSE 47 FUSE 7 GRY WIRE HI BEAM INDICATOR HI PASS PASS LO LO HOT AT ALL TIMES HOT IN START OR RUN INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LEFT HEADLAMP LT GRN WIRE MAIN LIGHT SWITCH MULTI- FUNCTION SWITCH OFF OFF HEAD ORG/ WIRE PARK OFF HEAD PNK/ORG WIRE RED WIRE RED/BLK WIRE RIGHT FRONT FOG LAMP RIGHT HEADLAMP TAN WIRE TAN/WHT WIRE W/ SEALED BEAM HEADLAMPS W/O SEALED BEAM HEADLAMPS WHT WIRE YEL WIRE

ADJUSTABLE PEDAL SWITCH (W/O MEMORY) AUXILIARY RELAY BOX 1 (BEHIND LEFT CENTER OF DASH) BATTERY BATTERY II (DIESEL) BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SWITCH BRN/PNK WIRE DK BLU/ORG WIRE DRIVER SIDE FRONT HEATED SEAT RELAY ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE EXTERIOR REAR VIEW MIRROR SWITCH FROM FUSE 10 (DIAGRAM 1 OF 5) FROM FUSE 16 (DIAGRAM 1 OF 5) FRONT CIGAR LIGHTER FUSE 1 FUSE 10 FUSE 11 FUSE 111 (NOT USED) FUSE 114 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 17 FUSE 18 FUSE 19 FUSE 2 FUSE 20 FUSE 21 FUSE 34 FUSE 4 FUSE 6 FUSE 602 (NOT USED) FUSE 7 FUSIBLE LINK A FUSIBLE LINK B GRY WIRE INDICATOR FLASHER RELAY INSTRU- MENT PANEL POWER POINT INSTRUMENT CLUSTER LT BLU/ WHT WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/RED WIRE LT GRN/VIO WIRE MAIN LIGHT SWITCH MULTI- FUNCTION SWITCH NCA WIRE ORG/LT GRN WIRE PASSENGER SIDE FRONT SEAT ADJUST SWITCH PNK WIRE PNK/WHT WIRE RADIO RED WIRE RED/ LT GRN WIRE RED/BLK WIRE RED/LT BLU WIRE STARTER MOTOR TAN/WHT WIRE TO FUSE 1 (DIAGRAM 5 OF 5) TO FUSE 12 (DIAGRAM 1 OF 5) TO FUSIBLE LINKS (DIAGRAM 2 OF 5) TRAILER BRAKE CONTROL MODULE W/ POWER EQUIPMENT W/ REMOTE KEYLESS ENTRY WHT LT BLU/ WIRE

AIR BAG SLIDING CONTACT (IN STEERING COLUMN) AUTO PARK BLK WIRE BLK/LT GRN WIRE BLK/PNK WIRE BRN WIRE BRN/LT BLU WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LOWER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DRIVER SIDE FRONT DOOR AJAR SWITCH (IN DRIVER'S DOOR) DRIVER SIDE REAR DOOR AJAR SWITCH (W/ CREW CAB) FUSE 102 FUSE 19 FUSE 2 FUSE 33 FUSE 45 FUSE 7 GRY WIRE GRY/RED WIRE HEAD OFF HOT AT ALL TIMES HOT IN RUN OR ACC HOT IN START OR RUN INSTRUMENT CLUSTER KEY WARNING SWITCH LT BLU WIRE LT BLU/PNK WIRE LT GRN WIRE LT GRN/YEL WIRE MAIN LIGHT SWITCH NCA WIRE ORG/ WIRE PASSENGER SIDE FRONT DOOR AJAR SWITCH (IN FRONT PASSENGER'S DOOR) PASSENGER SIDE REAR DOOR AJAR SWITCH PNK WIRE PNK/LT BLU WIRE PNK/ORG WIRE PNK/WHT WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RESTRAINTS CONTROL MODULE (BEHIND CENTER OF DASH) SAFETY BELT BUCKLE SWITCH (IN DRIVER'S SEAT BELT BUCKLE) VEHICLE SECURITY MODULE (VSM) (BEHIND LEFT SIDE OF DASH) W/ POWER EQUIPMENT W/O POWER EQUIPMENT WHT WIRE YEL WIRE YEL/BLK WIRE