Electronics are not noted for being robust systems. They are susceptible to failure due to environmental conditions such as dust or moisture, extremely hot and cold temperatures, mud, grime and grit, anti-icing chemicals – all the things a truck deals during a routine day’s work.
Maintaining Trailer Electrical Systems
There's technology on the horizon that will improve trailer electrical system performance, but in the meantime, basic electrical maintenance, done right, will see you through.