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Author Topic: converting 2 wire tailight to work with cb550's 3 wire setup  (Read 602 times)

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Offline delay pedal

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converting 2 wire tailight to work with cb550's 3 wire setup
« on: August 18, 2009, 05:30:02 pm »
Is this possible? Im scratching my head here.

Splice the two power lines into the lights single power line and ground the other?
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Offline OldSchool_IsCool

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Re: converting 2 wire tailight to work with cb550's 3 wire setup
« Reply #1 on: August 18, 2009, 05:32:53 pm »
More likely the mounting bracket is the ground.  Run a wire from a mounting bolt to the green harness.
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Offline noah240t

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Re: converting 2 wire tailight to work with cb550's 3 wire setup
« Reply #2 on: August 18, 2009, 09:07:27 pm »
I got a lucas style tailight off ebay that appeared to be a two wire... One wire was black and one red... sure looked like it. Turns out the body was the ground and the black was + running light and the red was + brake. Not sure if your running into something like this but maybe it helps. :)
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Offline bryanj

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Re: converting 2 wire tailight to work with cb550's 3 wire setup
« Reply #3 on: August 18, 2009, 10:30:42 pm »
Thats the right answer

(1) make up a wire from a mounting bolt to the green wire under the seat

(2) connect the two wire to the green and yellow and the brown so that the dim filament goeas to the brown and the bright one to the green yellow
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