One complete correct period wiring harness for the harley 125 S, will fit 4 brush or 2 brush generators (also included is a copy of diagram which will guide you for 2 or 4 brush application,also generator diagram):
This harness will fit:1948 to 1952 S. Correct color coded,cloth wiring,tracers,knife terminals,ring terminals,generator rubber plug, asphalt shielding.
Install....turn the key....and ride.