Old Britts Dyna Coil Wiring Diagram and Mounting Kit Guide
Download the complete PDF version using the green download button at the top right of this page for detailed Dyna coil wiring diagrams and mounting instructions for Norton Commandos fitted with Boyer ignition systems. This Old Britts technical guide explains proper Dyna coil selection, wiring layouts and mounting procedures for upgrading the ignition system on classic Norton motorcycles.
The guide covers the use of 3-ohm and 5-ohm Dyna coils together with Boyer electronic ignition systems and includes a full wiring diagram showing battery, ignition switch, Boyer stator and ignition unit connections. It also explains removal of the original ballast resistor and condenser pack when converting to the Dyna coil setup.
Additional pages show the Commando mounting kit installation beneath the fuel tank, together with photographs of the rubber-mounted coil assembly and modified mounting rubbers used to isolate vibration. The guide also includes mounting hardware references and installation notes for proper coil positioning and routing.
Contents Include
- Dyna coil wiring diagrams for Norton Commandos
- 3-ohm and 5-ohm coil application information
- Boyer ignition wiring layout
- Battery and ignition switch wiring references
- Ballast resistor and condenser removal notes
- Under-tank Commando mounting kit installation
- Rubber-mounted coil setup photographs
- Modified mounting rubber installation details
- Mounting hardware and bracket references
- Electrical routing and connection guidance
