When dealing with the issue of a Harley turn signal indicator not working, one of the first components to inspect is the turn signal relay, also known as the flasher relay or turn signal module. This article provides a comprehensive guide on locating the turn signal relay on various Harley-Davidson models, troubleshooting common problems, and offers practical solutions including wiring tips and replacement advice. Along the way, you will find detailed explanations and step-by-step instructions to assist you in diagnosing and fixing your Harley's turn signal issues.