2017 Ford F-150, Under Truck LED Wiring

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thegreatgazoo

Member - Posts: 5

Joined: April 22, 2021

Location: New York, United States

Posted: July 06, 2021 at 11:31 AM / IP Logged

Hi I have a 2017 f150. I want to install running board lights. I need to find

1- right turn signal wire

2- left turn signal wire

3- courtesy light wire

4- running light wire

I was told if I pull off the passenger rear sill plate there is a wire harness in there that has everything I need does anyone have the wire colors for what I'm looking for?

i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: July 06, 2021 at 4:13 PM / IP Logged

Regular Key or smart key?

i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: July 06, 2021 at 4:16 PM / IP Logged

Regular key wiring follows. It may be the same for smart key. Use a meter to verify.

Parking Lights blue/gray (F); blue/gray (R) + BCM in passenger kick, 22 pin plug (G), pin 3; 36 pin plug (C), pin 12 Directwire

Parking Lights - gray - headlight switch, black 16 pin plug, pin 11 Notes

Parking Lights Interrupt black/violet cut headlight switch, black 16 pin plug, pin 4 Notes

Hazards brown - hazard switch or BCM in passenger kick, black 52 pin plug (B), pin 19

Turn Signal (Left) blue/green (F); gray/orange (R) + BCM in passenger kick, 40 pin plug (F), pin 39; 52 pin plug (E), pin 26

Turn Signal (Right) yellow/violet (F); green/orange (R) + BCM in passenger kick, 40 pin plug (F), pin 38; 52 pin plug (E), pin 52

Headlight blue - headlight switch, black 16 pin plug, pin 12

AutoLights violet cut headlight switch, black 16 pin plug, pin 13

Reverse Light green/brown + driver kick or BCM in passenger kick, 36 pin plug (C), pin 11

Left Front Door Trigger brown - N.C. driver kick, harness to rear or BCM in passenger kick, 52 pin plug (E), pin 33 Directwire

Right Front Door Trigger white - N.C. BCM in passenger kick, 52 pin plug (E), pin 21

Left Rear Door Trigger green - N.C. BCM in passenger kick, 52 pin plug (E), pin 46

Right Rear Door Trigger yellow - N.C. BCM in passenger kick, 52 pin plug (E), pin 19

Dome Light gray/violet + BCM in passenger kick, 36 pin plug (C), pin 13

thegreatgazoo

Member - Posts: 5

Joined: April 22, 2021

Location: New York, United States

Posted: July 06, 2021 at 6:37 PM / IP Logged

regular key

Ween

Platinum - Posts: 1,364

Joined: August 01, 2004

Location: Illinois, United States

Posted: July 06, 2021 at 9:01 PM / IP Logged

Might be best to use the trailer wiring for the running board lights...left turn, right turn, park/tail. If wired to the BCM outputs, the BCM could see additional load as a fault and shut down those particular outputs. Do the instructions state power consumption for the various lights?

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