The Horn Circuit: Electrical Troubleshooting and Basics on a Vintage Honda Motorcycle

Buy a Test Light: https://www.common-motor.com/test-lig... Read our full technical article: https://support.common-motor.com/hc/e... Be sure to watch our understanding ground circuit and positive circuit before troubleshooting your ignition circuit:    • Understanding the Ground Circuit on a Vint...      • Understand the Positive Circuit on a Vinta...   It can be easy to overlook the simple circuits on a vintage Honda. The horn circuit may be unassuming, but a little detail goes a long way in better understanding every last inch of your motorcycle. When it comes to the 12v positive side of the circuit, things are pretty standard but we find a lot of people are stumped with how the horn connects to ground when pressing the horn button. In this video, we are going to help you understand the basics of the factory Honda horn circuit wiring and how to individually test each component to discover what is at fault and what works as it should. Buy parts and pieces for your vintage Honda motorcycle at common-motor.com _________________________________ Need help with your vintage Honda? Attend the CMC Repair Academy and watch the full playlist of repair videos for your motorcycle:    • CB175/CL175/SL175/CB200/CL200      • CB350/CL350/SL350      • CB360/CL360      • CB450/CL450/CB500t      • CB500K / CB550K / CB550F      • CB750K / CB750F      • CB350F / CB400F   _________________________________ Contents of this video: 00:00 - Introduction 00:21 - Horn circuit background knowledge 00:50 - Tracing the circuit 01:38 - Testing the horn 02:24 - Testing for 12v positive power 02:53 -Testing the handlebar ground connection 03:15 - Testing the horn button 04:01 - Testing the complete circuit 04:17 - Outro