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Discussion Starter #1
Hello
Just purchase a 05 RKC I want to add bluetooth speakers Boss 600amp 2 speaker system I got this plug cause i don't have enough experience with electrical and don't feel like screwing up the oem wiring my question is this I'm going to use the accessories plug under the seat red to red black to black what do I do with the yellow wire. Thanks for your time guys
785705
 

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Just Ride
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Possibly switch power,use a multi meter to test .
 

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Retired citizen
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Check the wires for B+, first with the ignition off then with the ignition on. The wire that has B+ with the ignition on is the wire you'll want to use, switched B+.
 

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Discussion Starter #4
Thanks for the help I ended up putting red/yellow together and connected to red wire from amp and of course black to black from amp. I then plug into the accessories plug under the seat double check all my connections and put battery back on the bike turn the ignition on amp came on and everything work accordingly. The only thing the accessories toggle switch on the nacelle does not turn off the amp so I'm going to do more research.
 
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