Re: Electrical issue
I know on my obs
I had higher wattage head light bulbs that would burn out the switch itself. They were pulling more amps and creating much more heat. the back of the plug was turning to burn brown from grey. As for the Spedo I had the same from the connector on the rear end getting full of mud. took it apart and cleaned it. worked perfect after that.
02 f350 larit, itp rr & pre pump filter, GTP38r, international up pipes, swamps 175/146 single shot's, DP tuner, factory tech valve body & lot of extra lights