www.ch-ignitions.com
My total knowledge of electronics is..
Buy the boards from Harmon electronics, already drilled..
solder the correct parts in the correct place..
If it is done right, it works....
Red to plus and Black to minus..
Sensor wiring, looking at the sensor with the numbers up, leads to left, red wire on top, black in the middle, white on bottom...
Don't connect the battery backwards, it blows the first diode in the circuit..
Center is red, closest to center is black, farthest from center is white (or other color) on Dean's connectors...