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Old 04-25-2015, 04:52 PM   #1
Michelangelo OP
2 wheel rider...anytime..
Michelangelo's Avatar
Joined: May 2005
Location: Rocky Mountain West
Oddometer: 1,725
Help hooking up LED taillight/turn signals!

Doing a custom seat with brake/turn signals on my 2012 Triumph Speed Triple/S3. And I need help figuring out how the wires should be hooked together.

The LED strip has the following wires:
It is supposed to function as a running, brake and turn signal setup.

Red - Brake
Black - Ground
White - Constant
Yellow - Signal
Green - Signal

On my S3 I have the following colored wires (i have no idea which turn signal wire is for left or right at this point because I bought the bike non working).

I'm definitely not very strong with wiring things up. I need a drawing more than anything to help me twist these things together so I have a running light, brake and turn signals.

Brake: Black-Yellow-Grn/Purple
Turn Signal: Black-Grn/White
Turn Signal: Black-Grn/Red

Dirt and offroad motorcycle tours...
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Old 04-25-2015, 10:53 PM   #2
aaqilkhan253's Avatar
Joined: Apr 2015
Location: California
Oddometer: 4
Hook it up to a battery?

Although the bike is not running, you may be able to hook it up yo a car battery (or another bike's battery) and see if the wiring harness works (neutral light should come on). Then you can grab one of those cheap 12v testers from your local auto store and go about testing the wires (brake will light up when the brakes are pressed, same with the wires for each turn signal). If you can post the wiring diagram of your bike up here, we could also help you interpret it.

Cheers and Good Luck!
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Old 04-25-2015, 11:00 PM   #3
aaqilkhan253's Avatar
Joined: Apr 2015
Location: California
Oddometer: 4
Hmmm this may help....Found it on this thread:

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Old Yesterday, 02:04 AM   #4
the one on the left
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Joined: Jul 2011
Location: Brisbane
Oddometer: 12
See 35-38 on that drawing. Those are R turn, brake, licence plate light, L turn. There is a legend in the link above.

New red goes to green/purple
New black goes to black (only need to do it in one of the plugs)
New white to yellow
New yellow to grey/white
New green to grey/red

Then test the indicators and swap the green and yellow or turn the light upside down if they're wrong way around.
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