Real-world electrical guides, schematics and restoration help. No sponsors. Nothing for sale.
If you have landed here searching for a Norton Commando wiring diagram, you are in exactly the right place. This site has been built over years of hands-on research and real-world testing, with a particular focus on the electrical systems that trip up more restorers than anything else. Norton Commando owners will find the most extensive coverage here, but the site also reaches into other classic British motorcycles including other Nortons, Triumphs, Specials and beyond.
Built by an Enthusiast, for Enthusiasts
My name is Grant Tiller. I grew up around classic British bikes, and some of my best memories are of working alongside my Dad on restorations we tackled together. He was the one who lit the spark, and this site is, in many ways, a continuation of what we started in the shed.
Over the years that passion turned into something deeper: hundreds of hours of research, hands-on testing and real-world experimentation, as well as helping people all over the world get their bikes back on the road.
This is a community, not a shop. I do not sell anything, I am not sponsored, and I have no financial arrangement with any brand or supplier. When I recommend something, it is because I have used it, tested it, or seen it work with my own eyes.
The Ultimate Classic British Motorcycle Wiring and Restoration Resource
What You Will Find Here
Wiring diagrams and electrical schematics sit at the heart of this site, with Norton Commando coverage running deeper than anywhere else you are likely to find for free. Alongside that, the site covers:
- Wiring diagrams – mainly Norton Commandos but covering other classic British bikes too.
- Electrical troubleshooting – practical, step-by-step help for the problems that actually occur.
- Technical how-tos – written in plain English, not workshop manual-speak.
- Parts & suppliers – honest views from someone with nothing to gain.
- Workshop knowledge – tips, techniques and the occasional hard-won lesson.
One thing you will notice throughout is a habit of questioning received wisdom. The classic bike world carries decades of folklore, and not all of it holds up. Where something does not stack up, I will say so and show my working.
You Are Not Alone
The same questions come up again and again, from across the UK, Australia, Canada, South Africa and beyond. Norton Commando electrical gremlins, in particular, have a remarkable way of baffling people who are otherwise very capable restorers. If you are stuck, get in touch. Chances are someone else has been exactly where you are.
Ready to Dive In?
Hit the picture above to head straight into the full list of articles. If you cannot find what you are looking for, get in touch. The answer is either already here or well worth adding.

