Need help on my 919...electrics :( - Wrist Twisters
 
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post #1 of 10 Old 10-31-2009, 03:11 PM Thread Starter
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Need help on my 919...electrics :(

I have a dangerous problem with my 919. My brake lights do not work!

So far here is what I have checked:

1)All fuses are fine. (turn signals work, they are on brake fuse)
2)Both tail light bulbs and filaments look fine. (running lights are lit)
3)Brake switch works.... the circuit is closed when brake lever is pulled right?

The only anomaly I see is that both wires that connect to the brake switch seem to be a + lead? I tested this with a simple light-bulb type circuit tester and the tester lit up when I touched each lead.

Any ideas would be mucho appreciated!

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post #2 of 10 Old 10-31-2009, 03:16 PM
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First, did you actually do something and you can't them to work again? Or, did you just buy the bike and they don't work? Or, were they working the last time you rode the bike and now they aren't?

If it is 1 or 2, let us know what you did.

If it is 3, follow the wires to see if one has broken or rubbed through or become unattached at some point.

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post #3 of 10 Old 10-31-2009, 03:36 PM
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Quote:
Originally Posted by sike View Post
First, did you actually do something and you can't them to work again? Or, did you just buy the bike and they don't work? Or, were they working the last time you rode the bike and now they aren't?

If it is 1 or 2, let us know what you did.

If it is 3, follow the wires to see if one has broken or rubbed through or become unattached at some point.
+1.

More history needed. Is it all stock? Was it working before and quit? Basically everything you know about when it worked, when it didn't, etc., etc.

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post #4 of 10 Old 10-31-2009, 03:39 PM
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A...try the bulbs in another vehicle.
B...use a bulb that is known to be working.

http://i121.photobucket.com/albums/o222/woodyeee/IMAG0306.jpg
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post #5 of 10 Old 10-31-2009, 03:49 PM
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Try both your front and rear brake lever to rule out a switch.

When you say you touched a bulb tester to each lead do you mean to both leads at the same time, or to each lead and ground?

"Towards the end of the vid, it looks like she may have had a bafflectomy." - MarylandMike
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post #6 of 10 Old 10-31-2009, 04:28 PM Thread Starter
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Bike is mostly stock, 4800 miles. No idea how long they haven't been working. Changed the bars to Renthals before trip to WSB, lights definitely worked then.

HondaJim: not both at same time, ground + one lead at a time, both lit the tester.... just seemed weird to me.

Any ideas how to even go about checking the switch wires? I really really don't want to have to cut into the wiring loom.

Used the tester on the bulbs, basically tested the bulbs like a fuse, there are 4 leads per bulb and each pair tested positive for continuity.

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post #7 of 10 Old 10-31-2009, 04:55 PM Thread Starter
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It's fixed.

Was messing around and my dad came by, said "there's no way both brake switches are bad" so I unhooked the spring to the rear switch, moved the switch arm in and out a few times, and now both front and rear brakes turn the lights on.

I still don't get how any of this had anything to do with the front switch not working but they work now. I had just jiggled everything on the back of the tail light housing from inside the bike as well so maybe something was not connected.

Did Honda secretly have these thing built in Italy or what?!

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post #8 of 10 Old 11-01-2009, 05:43 AM
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Your first clue was when you said both wires on the rear switch lite up the tester. That means that the switch was in the closed position all the time. So you had to have the brake lights on all the time. They were just never going off. That's why it appeared the both switches weren't working.

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post #9 of 10 Old 04-05-2010, 07:02 PM
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im having this same problem how do i fix it? ????????

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post #10 of 10 Old 04-05-2010, 08:15 PM
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Question

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Originally Posted by 78mikey810 View Post
im having this same problem how do i fix it? ????????
Answer

Quote:
Originally Posted by Kranium View Post
It's fixed.

Was messing around and my dad came by, said "there's no way both brake switches are bad" so I unhooked the spring to the rear switch, moved the switch arm in and out a few times, and now both front and rear brakes turn the lights on.

I still don't get how any of this had anything to do with the front switch not working but they work now. I had just jiggled everything on the back of the tail light housing from inside the bike as well so maybe something was not connected.

Did Honda secretly have these thing built in Italy or what?!

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