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› Trouble getting aftermarket taillight working...
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Trouble getting aftermarket taillight working... (Read 86 times)
Joshua8195
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Trouble getting aftermarket taillight working...
04/24/16 at 12:42:14
Having trouble getting my aftermarket taillight working properly.
I have it wired up so that the running light and the LP light are on. But I can't figure out the brake light switches? No matter what wire I connect to what, the brake light won't switch on when I use the brake lever or pedal.
I have the wiring diagram, the white wire with the black stripe is the brake light switch.
The brake light I'm using is one from lowbrow customs and it has 2 wires. 1 for running lights. 1 for brake lights.
How do I wire it?
Thanks!!
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verslagen1
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Re: Trouble getting aftermarket taillight working.
Reply #1 -
04/24/16 at 12:57:26
do you have a ground wire connected to the lights frame?
and a picture would help.
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Joshua8195
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Re: Trouble getting aftermarket taillight working.
Reply #2 -
04/24/16 at 13:23:35
Yes! It was the ground! On the instructions the ground said it was optional but I tried it and it didn't work and then I moved to another part of the project. Tried the ground again and moved some wires around and I got it!
Running light works
LP light works
Switched brake light works
Now just to clean up/shorten some wires, connect them up. And I'll be riding!
Thank you!!
Resolved!
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DesertRat
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Re: Trouble getting aftermarket taillight working.
Reply #3 -
04/24/16 at 19:10:50
Joshua,
more electrical work like this and you will become the forums resident electrical guru ...
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Joshua8195
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Taillight Problem. Again...
Reply #4 -
05/02/16 at 08:09:57
Wired up Lowbrow Customs taillight and finally got it working. Or so I thought.
It worked perfectly for a few minutes and now when I turn on the bike after it has been sitting for a few days the taillights running lights come on as they should. but when i use the brake lever or pedal the whole taillight/running light stops working completely.
Turn bike off, and back on, and taillight doesn't do anything.
I have checked the wiring and there are no problems as far as I can tell.
Any ideas?
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Dave
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Re: Taillight Problem. Again...
Reply #5 -
05/02/16 at 08:19:29
It sounds like a problem with the ground to me.
If the LowBrow light only had 2 wires - you would need to connect a ground wire to the mounting bolts to complete the light installation properly.
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Joshua8195
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Re: Taillight Problem. Again...
Reply #6 -
05/02/16 at 08:23:28
yeah that was the problem at first, there were no instructions and i didn't know it needed to be grounded.
I grounded it and it worked great.
Then all this happened.
Do i need a better ground???
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Dave
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Re: Taillight Problem. Again...
Reply #7 -
05/02/16 at 08:33:33
You are really the only one that can troubleshoot what is happening. Do you have a volt meter or test light?
You need to have power going to the light in the 2 supply wires (1 running light and 1 brake light), and a good ground to complete the circuit.
Try running a jumper wire from the negative terminal of the battery (or the ground wire connection down on the right side of the engine case near the oil sight window) - and connect the jumper wire to the mounting bolt on the tail light.
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Joshua8195
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Re: Trouble getting aftermarket taillight working.
Reply #8 -
05/02/16 at 08:41:21
yeah I've got a voltmeter. There is power going where it needs to.
Im gonna check out the ground now
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Johnny57
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Re: Trouble getting aftermarket taillight working.
Reply #9 -
05/02/16 at 09:27:54
Run a third wire from back of light. This is your ground and attach it to the black/white of the bike. Now the red and the black of the lowbrow light go to the brown and the white/black of the bike. Or viceversa if you wish. They correspond to the filaments and you do need to have a dual filament bulb.
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Joshua8195
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Re: Trouble getting aftermarket taillight working.
Reply #10 -
05/02/16 at 10:47:22
Got it!
Tested it. Still working.
It was the ground.
Test rode it, and works perfectly.
Thanks everybody!
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