
2021 Ford F-150 Wiring Guide
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Posted: July 02, 2021 at 10:04 AM / IP Logged



I'm an emergency vehicle upfit technician and am looking for an overall wiring guide for the 2021 F150s. I've found that some of the wires are the same as the 2015-2020 trucks, but some stuff is completely different. I am having trouble finding the Park signal in particular. Also, is there and ignition signal or start signal at the BCM? The Ignition switch is a PITA to get to in these trucks.
Posted: July 02, 2021 at 12:16 PM / IP Logged



this is what I got, hope it helps. To me it looks like the park stuff runs through the hs can wires (data)
12 Volts Red (40A) + BCM in passenger kick, black 22 pin plug (J7-G), pin 22
Second 12 Volts Yellow/Red (60A) + BCM in passenger kick, black 1 pin plug (J8-H), pin 1
Ground (chassis ground)
Starter Kill Brown/Green + Next to Underhood Fuse Box, black 20 pin plug (C146), pin 10
Starter Blue/White + Ignition Switch, black 6 pin plug, pin 1
Ignition White/Orange + Ignition Switch, black 6 pin plug, pin 2
Accessory Violet/Green + Ignition Switch, black 6 pin plug, pin 6
Keysense Blue/Gray + Ignition Switch, black 6 pin plug, pin 3
CAN Bus High Blue (HS1 CAN) Data Behind Glove Box, gray 30 pin plug (C210), pin 4
CAN Bus Low White (HS1 CAN) Data Behind Glove Box, gray 30 pin plug (C210), pin 3
CAN Bus High 2 Gray/Orange (MS1 CAN) Data Driver Kick, gray 30 pin plug (C263), pin 1
CAN Bus Low 2 Violet/Orange (MS1 CAN) Data Driver Kick, gray 30 pin plug (C263), pin 2
CAN Bus High 3 Green/Orange (HS2 CAN) Data Driver Kick, gray 30 pin plug (C263), pin 25
CAN Bus Low 3 Gray/Blue (HS2 CAN) Data Driver Kick, gray 30 pin plug (C263), pin 24
CAN Bus High 4 White/Brown (DIAG CAN) Data OBD-Data Link Connector, white 16 pin plug, pin 6
CAN Bus Low 4 Gray/Yellow (DIAG CAN) Data OBD-Data Link Connector, white 16 pin plug, pin 14
OBD 12 Volts Violet/Red (10A) + OBD-Data Link Connector, white 16 pin plug, pin 16
OBD Ground Black/Gray - OBD-Data Link Connector, white 16 pin plug, pin 4
OBD Connector White Under Driver Dash, Below Electric Parking Brake Switch
IMMO Data Blue/White (LIN) Data PATS Transceiver on ignition switch, black 4 pin plug, pin 3
Power Lock Gray/Yellow (w/o memory) - Driver Door Lock Switch, black 4 pin plug, pin 4
Power Unlock Violet/Gray (w/o memory) - Driver Door Lock Switch, black 4 pin plug, pin 2
Power Lock2 Gray/Yellow (with memory) - Driver Door Lock Switch, black 8 pin plug, pin 2
Power Unlock2 Violet/Gray (with memory) - Driver Door Lock Switch, black 8 pin plug, pin 1
Lock Motor Gray/Brown Reverse Driver Kick, door harness, black 21 pin plug (C510), pin 16 --or-- BCM in passenger kick, black 36 pin plug (J3-C), pin 35
Driver Unlock Motor Blue/Green Reverse Driver Kick, door harness, gray 18 pin plug (C511), pin 5 --or-- BCM in passenger kick, black 36 pin plug (J3-C), pin 27
Passenger Unlock Motor Brown/Green Reverse BCM in passenger kick, black 36 pin plug (J3-C), pin 32
Factory Alarm Arm (arms on lock)
Factory Alarm Disarm (transponder and ignition)
Parking Lights Blue/White (LF-RF) + BCM in passenger kick, black 22 pin plug (J7-G), pin 3
Parking Lights 2 Violet/Green (LR); White/Orange (RR) + BCM in passenger kick, blue 52 pin plug (J5-E), pin 25 (LR); pin 51 (RR)
Parking Lights - (LIN)
Hazards Brown/Yellow - Harness Above Glove Box --or-- Hazard Switch, black 6 pin plug, pin 4 Directwire
Hazards 2 Brown/Yellow (alternate location) - BCM in passenger kick, black 52 pin plug (J2-B), pin 19
Turn Signal (Left) Blue/Green (LF); Gray/Orange (LR) + BCM in passenger kick, black 40 pin plug (J6-F), pin 39 (LF); blue 52 pin plug (J5-E), pin 26 (LR)
Turn Signal (Right) Yellow/Violet (RF); Green/Orange (RR) + BCM in passenger kick, black 40 pin plug (J6-F), pin 38 (RF); blue 52 pin plug (J5-E), pin 52 (RR)
Headlight Brown/Blue (L); Blue/Green (R) + BCM in passenger kick, black 22 pin plug (J7-G), pin 4 (L); pin 2 (R)
AutoLights (LIN)
Reverse Light Green/Brown + BCM in passenger kick, black 36 pin plug (J3-C), pin 11
Reverse Light 2 Green/Brown (alternate location) + Driver Kick, harness to rear
Left Front Door Trigger Green/Violet - Driver Kick, door harness, black 21 pin plug (C510), pin 2
Left Front Door Trigger 2 Green/Violet (alternate location) - BCM in passenger kick, blue 52 pin plug (J5-E), pin 33
Right Front Door Trigger White - BCM in passenger kick, blue 52 pin plug (J5-E), pin 21
Left Rear Door Trigger Green - BCM in passenger kick, blue 52 pin plug (J5-E), pin 46
Right Rear Door Trigger Yellow - BCM in passenger kick, blue 52 pin plug (J5-E), pin 19
Dome Light Gray/Violet + BCM in passenger kick, black 36 pin plug (J3-C), pin 13
Trunk/Hatch Pin Yellow/Blue (power tailgate ajar) - BCM in passenger kick, blue 52 pin plug (J5-E), pin 34
Hood Pin Blue/Orange - BCM in passenger kick, black 40 pin plug (J6-F), pin 14
Power Liftgate Gray/Yellow (power tailgate) - Power Tailgate Switch, black 6 pin plug, pin 2
Power Liftgate 2 Gray/Yellow (alternate location) - Driver Kick, gray 30 pin plug (C263), pin 27
Trunk/Hatch Release Gray/Yellow (tailgate release) - Tailgate Release Switch, black 6 pin plug, pin 2
Trunk-Hatch Release2 Gray/Yellow (alternate location) - BCM in passenger kick, black 52 pin plug (J2-B), pin 1 Directwire
Trunk Release Motor Gray/Orange (tailgate release) + Above Passenger Kick, 59 pin plug (C265), pin 24
Fuel Door Release Yellow/Blue (HEV) - Headlight Switch, black 16 pin plug, pin 4 Directwire
Tachometer Brown/Blue (2.7L, 3.3L, 3.5L, HEV) AC PCM on passenger firewall, black 126 pin plug, pin 53
Tachometer 2 White/Green (5.0L) AC PCM on passenger firewall, black 126 pin plug, pin 53
Tachometer 3 Brown/Blue (3.0L Diesel) AC PCM on passenger firewall, black 126 pin plug, pin 38
Fuel Pump Blue or Blue/White + Driver Fender, black 68 pin plug (C1591), pin 9
Rear Defroster Yellow/Orange + Latched Above Passenger Kick, 59 pin plug (C265), pin 29
Mirror Defroster (MS1 CAN)
Left Front Heated Seat (MS1 CAN)
Right Front Heated Seat (MS1 CAN)
Speed Sense Brown/Red (2.7L, 3.3L, 3.5L, 5.0L); Brown/Green (HEV) AC PCM on passenger firewall, black 90 pin plug, pin 71
Speed Sense 2 Brown (3.0L Diesel) AC TCM near frame rail below passenger door, black 50 pin plug, pin 42
Brake Wire Gray/Orange + BCM in passenger kick, gray 22 pin plug (J1-A), pin 1
Parking Brake (electric parking brake)
Horn Trigger Green/White - BCM in passenger kick, black 52 pin plug (J2-B), pin 18
Horn Trigger 2 Green/White (alternate location) - Horn Switch-Clock Spring, gray 18 pin plug, pin 9 or gray 12 pin plug, pin 5
Wipers (LIN)
Left Front Window (Up/Down) Blue - Green A Driver Door Module, black 24 pin plug, pins 14 - 13
Right Front Window (Up/Down) White - Gray/Yellow A Passenger Door Module, black 24 pin plug, pins 14 - 13
Left Rear Window (Up/Down) Green/Violet - Brown A Left Rear Window Switch, green 8 pin plug, pins 6 - 7
Right Rear Window (Up/Down) White/Violet - Gray A Right Rear Window Switch, green 8 pin plug, pins 6 - 7
Rear Sliding Window Open-Close Yellow/Green - Violet/Brown + Above Passenger Kick, 59 pin plug (C265), pins 43 - 45
Sun Roof (Open/Close) Violet/Brown - Yellow/Orange (function with ignition on only) - Overhead Console, black 16 pin plug, pins 5 - 4
Memory Seat 1 Violet/White - Driver Door Lock Switch, black 8 pin plug, pin 5
Memory Seat 2 Yellow - Driver Door Lock Switch, black 8 pin plug, pin 6
Memory Seat 3 Blue/Orange - Driver Door Lock Switch, black 8 pin plug, pin 7
Radio 12V Violet/Red + Radio, black 32 pin plug, pin 1
Radio Ground Black/Gray - Radio, black 32 pin plug, pin 4
Radio Ignition Green (delay accessory) + BCM in passenger kick, black 36 pin plug (J3-C), pin 30 --or-- Driver Kick, door harness, black 21 pin plug (C510), pin 7
Factory Amp Turn-on Yellow/Violet (audio is A2B) + Radio, gray 32 pin plug, pin
Left Front Speaker (+/-) White - White/Brown +,- Radio, black 32 pin plug, pins 8 - 7
Right Front Speaker (+/-) White/Violet - White/Orange +,- Radio, black 32 pin plug, pins 3 - 2
Left Rear Speaker (+/-) White/Green - Brown/Yellow +,- Radio, black 32 pin plug, pins 6 - 5
Right Rear Speaker (+/-) Brown/White - Brown/Blue +,- Radio, black 32 pin plug, pins 10 - 9
Center Channel (+/-) Green - Gray/Yellow +,- Radio, black 32 pin plug, pins 13 - 24
Left Front Speaker - With Amp White - White/Brown +,- Amplifier on driver rear cabin wall, black 20 pin plug, pins 17 - 7 (8 speaker); brown 20 pin plug, pins 17 - 7 (18 speaker)
Right Front Speaker - With Amp White/Violet - White/Orange +,- Amplifier on driver rear cabin wall, black 20 pin plug, pins 16 - 6 (8 speaker); brown 20 pin plug, pins 14 - 4 (18 speaker)
Left Front Tweeter - With Amp White - White/Brown (tweeter); Green/Blue - Gray/Blue (mid, 18 speaker) +,- Radio, black 32 pin plug, pins 6 - 5 (tweeter); Amplifier on driver rear cabin wall, brown 20 pin plug, pins 16 - 6 (mid)
Right Front Tweeter - With Amp White/Violet - White/Orange (tweeter); Violet/Gray - Yellow/Gray (mid, 18 speaker) +,- Radio, black 32 pin plug, pins 10 - 9 (tweeter); Amplifier on driver rear cabin wall, brown 20 pin plug, pins 12 - 2 (mid)
Left Front Surround - With Amp Yellow/Orange - White/Brown (headliner, 18 speaker) +,- Amplifier on driver rear cabin wall, brown 20 pin plug, pins 20 - 10
Right Front Surround - With Amp Brown/Yellow - Violet/Green (headliner, 18 speaker) +,- Amplifier on driver rear cabin wall, brown 20 pin plug, pins 19 - 9
Left Rear Speaker - With Amp White/Green - Brown/Yellow +,- Amplifier on driver rear cabin wall, black 20 pin plug, pins 20 - 10 (8 speaker); Radio, black 32 pin plug, pins 3 - 2 (18 speaker)
Right Rear Speaker - With Amp Brown/White - Brown/Blue +,- Amplifier on driver rear cabin wall, black 20 pin plug, pins 18 - 8 (8 speaker); Radio, black 32 pin plug, pins 8 - 7 (18 speaker)
Left Rear Surround - With Amp Violet/Brown - Yellow/Violet (headrest, 18 speaker) (driver and passenger parallel) +,- Amplifier on driver rear cabin wall, brown 20 pin plug, pins 18 - 8
Right Rear Surround - With Amp Green/Blue - Blue/Orange (headrest, 18 speaker) (driver and passenger parallel) +,- Amplifier on driver rear cabin wall, black 8 pin plug, pins 6 - 2
Center Channel - With Amp Green - Gray/Yellow +,- Amplifier on driver rear cabin wall, black 20 pin plug, pins 19 - 9 (8 speaker); brown 20 pin plug, pins 13 - 3 (18 speaker)
Subwoofer - With Amp Green/Violet - Gray +,- Amplifier on driver rear cabin wall, black 20 pin plug, pins 15 - 5 (8 speaker); brown 20 pin plug, pins 15 - 5 (18 speaker)
Aux. Audio Input Left (+/-) Blue - Gray/Orange (SYNC audio) +,- Radio, gray 32 pin plug, pins 20 - 31
Aux. Audio Input Right (+/-) Violet/Green - Brown/White (SYNC audio) +,- Radio, gray 32 pin plug, pins 21 - 32
Rearview Camera Video White/Green - Blue/Gray (8 inch); (coax cable, 12 inch) +,- SYNC Module behind radio controls, black 54 pin plug, pins 14 - 15 --or-- Driver Kick, gray 30 pin plug (C263), pins 13 - 12
33 years as a installer now just a retired old guy. Favorite thing to install/topic are remote starts/car alarms. Stop using test lights!!!
Posted: July 14, 2021 at 11:31 AM / IP Logged



Ignition is located in connector C2280B pin 37 at the BCM in the passenger kick
Parking Lights at the headlamp switch are LIN Bus, so you'll have to go to the parking light wires at the BCM Front Parking Lights - C2280G pin 3
Driver Rear Parking Light - C2280E pin 25
Passenger Rear Parking Light - C2280E pin 51
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