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post #1 of 16 (permalink) Old 05-05-2007, 12:13 AM Thread Starter
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Any electrical wizards? (I'm [email protected]#KED!)

So I cleaned the carbs on my bike ('96 YZF600) and had to remove the fairings and gas tank to do it. It runs great, but I was putting the plastics back on tonight and blinkers are all messed up.

There's three wires for each blinker in the front and I thought I clipped them in correctly. The front blinkers work correctly, but the tail light flashes with the blinker and the opposite rear blinker flashes, dully. When the flashes aren't on, the brake light is bright and when I use the brake, the light dims.

Any ideas? They were working fine last fall and I didn't disconnect any wires back there, just the front blinkers when I removed the plastics, the battery and a few harnesses under the gas tank, but they were plug type with only one correct way to go back together.

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post #2 of 16 (permalink) Old 05-05-2007, 02:40 AM
 
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Originally Posted by sdog30 View Post
So I cleaned the carbs on my bike ('96 YZF600) and had to remove the fairings and gas tank to do it. It runs great, but I was putting the plastics back on tonight and blinkers are all messed up.

There's three wires for each blinker in the front and I thought I clipped them in correctly. The front blinkers work correctly, but the tail light flashes with the blinker and the opposite rear blinker flashes, dully. When the flashes aren't on, the brake light is bright and when I use the brake, the light dims.

Any ideas? They were working fine last fall and I didn't disconnect any wires back there, just the front blinkers when I removed the plastics, the battery and a few harnesses under the gas tank, but they were plug type with only one correct way to go back together.
I wish I could... but I'd have to see it... and more than likely I'd just be testing and rewiring
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post #3 of 16 (permalink) Old 05-05-2007, 07:48 AM Thread Starter
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I was hoping there was an obvious answer that would make the brake light flash.

There's three wires that go to each front blinker with disconnects. I'm pretty sure it was blue/blue, black/black, and then green/brown, but I tried every other combonation I can think of.

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post #4 of 16 (permalink) Old 05-05-2007, 05:48 PM
 
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Black should be ground. connect power to ther other 2 wirs and see which is dim and bright. then use a test light to find which wires supply power from running lighhts (dim) and turn signals/brake light (bright). Then wire accordingley. Just ask if you need any more information and tell me what you find out.
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post #5 of 16 (permalink) Old 05-05-2007, 06:00 PM
 
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Electricity is easy. From the sound of it your front signals are working properly. They should plug in seperately from your rear signals. Your rear signals and brake light should be part of the same wiring harness, if not then close by. You shouldn't have to mess with your front signals anymore, so from here you need to remember Black is almost always ground, now you need to find constant voltage and applied voltage. Those should be the other two wires. It sounds like you just have them hooked up wrong, or backwards. You should be able to just play with those wires until the setup is right. As for the rear blinkers you should only have to use two wires. Ground and applied voltage. The other wire is probably for a resistor to be put in parallel with the circuit to slow the blinking rate. This is only necessary if you think it is. Almost all turn signals and brake lights are wired and work the same. Check your fuses after you rewire, to make sure you didnt blow any from wiring it incorrectly.
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post #6 of 16 (permalink) Old 05-05-2007, 10:30 PM
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After using the black as ground... one of the other wires should just light up when the ignition is on. They are your running lights.




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post #7 of 16 (permalink) Old 05-07-2007, 10:23 AM Thread Starter
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Thanks guys. I got a copy of the wire chart for my bike this weekend. I had wired the front blinkers right. It was just confusing because I hadn't touched any of the wires for the rear lights, so i assumed I connected the front ones wrong. I'm thinking it's a short somewhere? I was messing with the wires under the gas tank, but they all have plugs that only fit a certain way, but maybe it's something under there.

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post #8 of 16 (permalink) Old 05-07-2007, 11:47 AM
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Make sure you didn't pinch anything when you put the tank back on!
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post #9 of 16 (permalink) Old 05-07-2007, 07:44 PM
 
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Also check for broken or corroded wires. It may be grounding one light back through another.
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post #10 of 16 (permalink) Old 05-08-2007, 01:02 AM
 
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Somethings definitely wrong with your applied voltage wiring to the rear of the bike. It sounds to me like you have you're running light and brake light reversed, and the wrong turn signal wire connected. It'd be an easy fix if I were there. It doesn't sound like a short, but it could be. If your wires were mashed then it would probably short to ground which might dim the lights because of a voltage/current loss. Just take the **** off you put on and make sure the wires arent smashed to the frame.
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post #11 of 16 (permalink) Old 05-08-2007, 08:03 AM
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Quote:
Originally Posted by BarryP View Post
Somethings definitely wrong with your applied voltage wiring to the rear of the bike. It sounds to me like you have you're running light and brake light reversed, and the wrong turn signal wire connected. It'd be an easy fix if I were there. It doesn't sound like a short, but it could be. If your wires were mashed then it would probably short to ground which might dim the lights because of a voltage/current loss. Just take the **** off you put on and make sure the wires arent smashed to the frame.
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Also check for broken or corroded wires. It may be grounding one light back through another.
Same thing happened with the KCs on my truck. The idiot that owned it before me ran all the wiring under a mount bolt. When he tightened the bolt, all the lights were cross fed, and none of them worked right.
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post #12 of 16 (permalink) Old 05-09-2007, 10:34 AM Thread Starter
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Thanks guys.

The verdict is in...it was the ground wire under the seat. The plastic was stripped and the wire was grounding out weird. I was so psyched when I found it. The light in the rear instantly started working again once I spliced a new wire in.

I hadn't done anything back there, so I was going crazy trying to figure out what I [email protected]#ked up in the area where I was working. Anyways, it's all better, just in time for the beautiful weather all week, too. Thanks again.

"Professor, what's another word for pirate treasure?"
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post #13 of 16 (permalink) Old 05-09-2007, 10:42 PM
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Thanks guys.

The verdict is in...it was the ground wire under the seat. The plastic was stripped and the wire was grounding out weird. I was so psyched when I found it. The light in the rear instantly started working again once I spliced a new wire in.

I hadn't done anything back there, so I was going crazy trying to figure out what I [email protected]#ked up in the area where I was working. Anyways, it's all better, just in time for the beautiful weather all week, too. Thanks again.
Excellent.
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post #14 of 16 (permalink) Old 05-10-2007, 12:57 AM
 
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Congrats, told ya it was easy.
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post #15 of 16 (permalink) Old 05-10-2007, 06:10 AM
 
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Thanks guys.

The verdict is in...it was the ground wire under the seat. The plastic was stripped and the wire was grounding out weird. I was so psyched when I found it. The light in the rear instantly started working again once I spliced a new wire in.

I hadn't done anything back there, so I was going crazy trying to figure out what I [email protected]#ked up in the area where I was working. Anyways, it's all better, just in time for the beautiful weather all week, too. Thanks again.
Good job.



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post #16 of 16 (permalink) Old 05-10-2007, 12:35 PM
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Job well done... sometimes you just "find" things...




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