Has anybody here put in a variable rate control on their electric
windshield wipers? We've got (stock) "Slow" and "Fast" but I've seen
rate controls that can be added to give it a wider range (like in more
modern vehicles). The only thing that concerns me is possible wear &
tear on the wiper motor from the constant on-off-on-off. And how
useful is it? Not having fine control is annoying while I'm
delivering mail, but doesn't really bother me to or from the route.Any
answers/suggestions/observations/etc. welcome.