so i drove my mom to go shopping,.. sitting in the bus i started to go through the console (bored !) I found this little led display and realized it would hook up to a small bracket and a wire sticking out of the overhead,.. hmm what is it?
i hooked it up,.. turned key on,.. does nothing,.. started the bus,.. still nothing,..shifted into reverse,.. it lights up and starts beeping and displays the distance to a car behind the bus,.. yaay!! I have a backup distance sensor!