Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
I am trying to locate a wiring diagram for a 75 sportster. I personally have no clue about bikes, this is for my friend's dad. Any help would be greatly appreciated.