Wise guidance required, Mk2 1973 850 commando

yes, overhaul original switches. They were very sound when new and usually can be restored as necessary. But read up on dissassembly... small ball bearings etc... so use a booth and deep tray so parts do NOT go flying....
I disassemble switches inside a freezer bag large enough to get my hands into. Keeps balls, springs, clips, etc. close to home.
 
Here are a couple of electrical items that have worked well for me. I use the voltage monitor in place of an assimilator and it has alerted me to electriclal problems more than once. It is bright enough visible behind a stock jewel in the headlight (amber works best) however dims to half brightness when you are cruising and all is well (steady green).
The other is a non polarized LED H4 bulb, it too works fine with my positive ground system.
The video shows the voltage monitor at "Bootup" and then in a 2 states with the headlight on or off. FWIW I have a '73 850 too.

Wise guidance required, Mk2 1973 850 commando



Wise guidance required, Mk2 1973 850 commando



Nice to see another option for voltage monitor LEDs. I have the SparkBright Eclipse unit on my bike.
The H4 bulb will require mod or replacement of stock lamp reflector as it should be a British Pre-Focus format bulb holder. There are LED units for direct fit BPF lamps (Paul Goff or DynamoRegulators.com etc ).
 
Nice to see another option for voltage monitor LEDs. I have the SparkBright Eclipse unit on my bike.
The H4 bulb will require mod or replacement of stock lamp reflector as it should be a British Pre-Focus format bulb holder. There are LED units for direct fit BPF lamps (Paul Goff or DynamoRegulators.com etc ).
I should have mentioned that I'm using a modern Hella (I think) H4 reflector, not the original...good point đź‘Ť
 
I disassemble switches inside a freezer bag large enough to get my hands into. Keeps balls, springs, clips, etc. close to home.
Now that's a good idea, big freezer bag. I've only been doing this 60 years, I've still got a lot to learn LOL! Thanks!
 
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