Hey everyone, i'm thinking about getting the reverse glow guage set from UPRproducts.com. First of all, does anyone have these? Any opinions good or bad? Secondly, it says on their site on the install directions that one wire has to be connected to ground (self explanitory) and the other has to be hooked up to a switched 12v source, or the headlight switch, for those that have them, anyone wanna clue me into which wire i'm tapping into in the headlight switch? Third and final, is there any way to wire up their dimmer switch to the factor dimmer on the headlight knob? Thanks for your help!