The ground, illumination, and indicator pins seem to be consistent between switches. On two button switches, pin 2 seems to control the right button, and pin 4 controls the left button.


Pinout for the Hazard/Start Stop switch. (Not on 2015 F-150.)
Left = Hazard, Right = Start Stop.

1 - Start/Stop Off Indicator - Brown
2 - Start/Stop Disable/Enable - White
3 - Ground - Black/Violet
4 - Hazard Enable/Disable - Brown/Yellow
5 - Illumination - Violet/Gray
6 - not used

Start stop switch, large single switch, wired with pins 3 ad 4.

1 - Start/Stop Off Indicator - Brown
2 - not used
3 - Ground - Black/Violet
4 - Start/Stop Enable/Disable - Brown/White - to BCM.
5 - Illumination - Violet/Gray
6 - not used

Pinout for the Hazard/360 Camera switch.
Left = Hazard, Right = 360 Camera.

1 - not used
2 - 360 Camera Disable/Enable - White
3 - Ground - Black/Violet
4 - Hazard Enable/Disable - Brown/Yellow
5 - Illumination - Violet/Gray
6 - not used

Pinout for the Hazard switch, large single switch.

1 - not used
2 - not used
3 - Ground - Black/Violet
4 - Hazard Enable/Disable - Brown/Yellow
5 - Illumination - Violet/Gray
6 - not used

Pinout for the TCS/Hill Descent switch. 
Left = Hill Descent, Right = TCS.

1 - not used
2 - TCS Disable/Enable - Yellow
3 - Ground - Black/Violet
4 - Hill Descent Enable/Disable - Gray
5 - Illumination - Violet/Gray
6 - not used