Control devices for vehicle parts, vehicle components, vehicle attachments, vehicle accessories and trailer hitches; Apparatus for recording, displaying and reporting the operating and load conditions of vehicle parts, vehicle components, vehicle attachments, vehicle accessories, coupling devices, trailer hitches and tow bars for vehicles; Operating and evaluating circuits provided with programmes for recording the operating and load conditions of vehicle parts, vehicle components, vehicle attachments, vehicle accessories, coupling devices, trailer hitches and tow bars for vehicles; sensor assemblies mountable on vehicle attachment parts, vehicle parts and vehicle accessories, parts of vehicles and trailer hitches and/or sensors for detecting the operating and load conditions of vehicle parts, parts of vehicles, attachments for vehicles, vehicle accessories and trailer hitches and tow bars for vehicles; Electric equipment and wire harnesses for vehicle accessories and vehicle attachment

Vehicle parts, in particular bodywork and frame parts, supplemental suspensions and parts therefor; Vehicle accessories and vehicle attachments and components therefor; Coupling devices and trailer hitches for vehicles; Stabilisers to inhibit the roll and/or pitch of vehicle trailers; Stabilisers to ensure balance; Roll bars; all the aforesaid goods comprising in particular a unit for recording, displaying and indicating the operating and loading conditions of vehicle parts, components of vehicles, attachments for vehicles, vehicle accessories, coupling devices, trailer hitches and tow bars