First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says master electrician Allyson Saling with Frontdoor home services app. “Hot or ...

Mitchell 1, a Snap-on company, has added color air brake diagrams to its June update of Tractor-Trailer.net, its comprehensive web-based truck repair manual system. The pneumatic diagrams will include ...

Multiple-voltage electrical systems for trucks and possibly trailers are on the horizon, even if they seem to recede into the future. I recall sitting through sessions at TMC meetings 10 and more ...