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Discussion Starter · #1 ·
I'm looking into cleaning up the wiring on my bike and one of the areas I want to tackle is the thick bundle of wires going to the front grip controls.

I'd like to convert the thick, power carrying wires to basically thin (easily hidable) wires that rely on the grounding capabilities of the frame. This way I could switch from having 10 thick wires (3 turn signal, 2 horn, 3 light, 2 start and 2 'kill' wires) to just having 6 thin ones.

Ignoring for the moment what I'll be using for controls, does anyone know a good source for relay packs? The idea is that I'd wire the existing harness into a series of relays that could be controlled via thin, low current (grounded via the handle bars) wires.

Anything like this out there? I'd prefer something pre-fab, but I could go the DIY route as well....
 

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You can use microswitches out on the grips -- it will require relays though to make everything work as you mentioned. As for using the "grounding capabilities" of the frame -- I'd think that over more. With all my Ducati-powered creations, I've bypassed grounding to the frame and wired proper grounding cables into everything. Perk is the bike starts easier (I use -2 ground cables) and no funky floating ground problems.

Source for microswitches and relays? Check out an electronics warehouse -- but the switches aren't usually waterproof or water resistant. Pay the few extra dollars and get the better microswitches designed for aviation or boat use.

Also when you place the order for parts, inquire about resettable fuses you can plug into your existing fuse panel -- @$3-5 dollars each. They will pay for themselves fairly fast...
 
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Discussion Starter · #3 ·
Superleggera said:
You can use microswitches out on the grips -- it will require relays though to make everything work as you mentioned. As for using the "grounding capabilities" of the frame -- I'd think that over more. With all my Ducati-powered creations, I've bypassed grounding to the frame and wired proper grounding cables into everything. Perk is the bike starts easier (I use -2 ground cables) and no funky floating ground problems.
So you're basically saying run an additional, shared ground wire (okay 2 wires, one for each control set) for the various microswitches?

Sounds like a plan, and thanks for the advice!
 
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