Rear Light Headlights for all Trucks and Trailers 1.37.x

Rear Light Headlights for all Trucks and Trailers. ETS2 1.37.x and Above
This mode, when shifting to reverse gear, turns on bright reverse light when maneuvering, loading and unloading in the dark (night) time of the day.
Reverse light turns on not only on the truck, but also on the trailer.
Tested on version ETS2 1.37.x
The mod is able to work on 1.33.x and Below.