Data communications apparatus for tractor/trailer using pneumati
Detection of trailer presence and type by means of current...
Detection of trailer presence and type by means of current...
Device and method for wireless vehicle communication
Device for current or voltage supply in vehicle
Device for detecting and displaying the position of...
Device for detecting and displaying the position of...
Device for sensing tractor trailer connection
Device used to aid in the loading and unloading of vehicles...
Double switch safety system and signaling device for a trailer h
Dual operational and brake light control for trailers
Electrical tell tale system for trailers
Electronic system for monitoring a fifth wheel hitch
Electronic system for monitoring a fifth wheel hitch
Emergency lights for towed vehicles
Fifth wheel coupling safety system
Fifth wheel hitch coupling control system
Fifth wheel hitch warning interlock device
Fifth wheel sensor assembly
Height control device