ATS - Undermount Trailer Cables Trailers and Trucks (1.42.x)

Added Undermount Hidden Cables to all the ownable SCS trailers, and most of the base games trucks.

Trailers:
Gooseneck
Box (dryvan\insulated\reefer)
Flatbed
Lowboy
Grainhopper
Chipvan
Food Tanker
Bulk Feed
Log Trailer
Livestock Trailer

Trucks:
Peterbilt 389
Kenworth W900
Peterbilt 579
Western star 49x
International Lonstar
International LT
Volvo VNL

Added the base game rear frame cables that were seperate mods into here so that it is all one pack now.

Credits:Slowpok92