4 Pin Cdi Wiring Diagram -
Set your multimeter to the (or lowest Ohm scale).
Receives the timing signal from the stator to tell the CDI when to fire. Ignition Coil Output (Yellow/Black): 4 pin cdi wiring diagram
Terminate this wire directly into the top-right pin of the CDI module. Set your multimeter to the (or lowest Ohm scale)
Many Chinese scooters use a 4-pin plus a 2-pin plug. The 4-pin handles: ground, exciter, trigger, kill. The separate 2-pin plug sends the CDI output to the ignition coil. Don’t confuse the 2-pin plug as part of the 4-pin system. 4 pin cdi wiring diagram