Okay. So, yes I have a battery. I have double checked all nearby connectors and looked for rubbed wires. I've moved the led driver away from the other wires, and tied everything down tightly. I checked battery connections and they are clean and tight. The miss goes away with a halogen bulb. It's sporadic and only happens on high beam with the led.
Also, the led has a fan to cool the circuit board. Maybe that's causing it issue?

 

I just recently found out some earlier bikes don't have a battery, so I guess overloading the alternator is out.
Sounds like it is the headlight is all I got.

 

Ah, a cooling fan. Until you mentioned that and I did some reading, I wasn't aware that some LED units used cooling fans. I think you're on to something with the cooling fan idea. I have no idea what kind of field might be around that unit. I know there are some kind of sine wave devices that can measure such, but it's beyond my pay grade. Plus, you may have to do some kind of output/draw measurement on that unit on highbeam.

 

Oddly enough, the company says they have never heard of it effecting the ignition system on a bike, but I may see if there is something to isolate the signals feeding back through.

 

Well you could try a electrical choke on the wire going to the headlight. That would take most spikes out.
You can by one, they are found on a lot of electronic cables you get to charge batteries on cameras, usb's, etc. It is the big black thing in the cable.
Basically a nail with a lot of tightly wound wire wrapped around it.
Or radio shack.

 

Like a ferrite choke? Do those work for DC? I will do some Google research. Thanks for the idea.

 

Chokes only work on DC!

 

Chokes tend to block abrupt changes in voltage, like voltage spikes. They work better in conjunction with a capacitor.

Ride on
Brewster

 

Yes, put a capacitor in there too!

 

Lots of work to put in a light. I will see what I can do.