1990 ford F350 Rear light wiring
Black is ground Brown is running lights The stripped wires are the turn signals / brake lights for each side The reverse black is ground on ...
https://iskablogs.blogspot.com/2013/08/1990-ford-f350-rear-light-wiring.html
Black is ground Brown is running lights
The stripped wires are the turn signals / brake lights for each side The reverse black is ground on the reverse lightsThe other is the power wire from the back up light.
The diagram is shown below :---
--------
-----------
