I'm trying to wire up my floscan 201. The wiring schematic says to use pin 14 (input 1), pin 15 (+12v), pin 19 (input2). On my floscan, the wiring is red=+12v, black=ground, and white=signal.
I'm guessing pin 15=red, but how do I hook up the other 2 wires? Black to ground and white to...