The headlights are hardwired to be ON at all times. Okay, this isn't inherently stupid; but it's the manner in which they are hardwired which gives pause. Suzuki Motor Company, with its eye upon the super-low-entry-level price point they were meeting, did not install any relays in the headlight system. (A relay is an electrically operated switch designed like a floodgate to open current through alternate (usually more direct) channels. It receives an electrical signal to open or close.)
So lacking relays, the headlight system's power travels tortuously from the battery, ALL the way through the ignition switch, the hi/lo beam switch, and the starter switch before it even gets near the headlights. Suzuki again, meeting the all important price point, installed very low gauge thin wiring which, as we all know, produces resistance which produces heat which melts stuff and wastes energy. Melts stuff like switches and cable housings and creates all kinds of fun and joy within the electrical system.
Now, to the starter switch. Not only does the starter switch start the engine (which can also be bump started) but when "on" or "engaged" it shuts off the headlights! Suzuki decided that in the interest of providing as much oomph as possible to the starter motor for starting (and not wanting to buy and install a relay) the headlights would be shut off via the starter switch while the starter switch was depressed.
So, if the starter switch is defective or is destroyed, not only does the bike not start, but the headlights don't work either. This results, in short, in me riding a motorcycle around without a headlight and this is unsafe, for obvious reasons.
But not to despair. An ingenious fellow in Japan invented a way around this obtuse electrical system. His website is here, and although I have not yet installed the system I purchased from him, I did get prompt service, the product was carefully packaged, and appears to have been made from high quality components. So I have no qualms in giving him a preliminary good thumbs up.
Essentially this system installs relays in the electrical system where Suzuki should have put them in the first place. This has two benefits (1) the electrical power to the battery no longer has to explore the entire motorcycle before getting where it needs to go, thereby reducing strain and heat in the bike's electrical system and making it more reliable and (2) for the same reason, the headlights are brighter, contributing to safety. It's a win-win mod.
So kudos to Jim for thinking up a great system, and I expect this fried starter switch to be the last electrical problem I will have in a long, long time.





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