Harley Davidson Wiring Color Codes – Unlock the Mystery
Wiring color codes for Harley-Davidson motorcycles can be found on the ECM (Electronic Control Module) and the Ignition Module. The ECM is located under the engine compartment’s left side of the dashboard. Color coding for wiring on the ECM is based on polarity, with orange (positive) wires going to orange connectors and black (negative) wires …