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#1:  Horn and signal problems (SOLVED) Author: Losin,  Posted: Fri Aug 13, 2010 8:05 pm Aftermarket horn. Plug it in and all it does is make athunk noise. One thunk per push of the button. I wire the horn straight to the battery and it wails. What the flunk? Lights, wiring the lights in the headlight bucket. There are two blue wires (each goes to a front signal) wired into a blue 2-1 connector. Then there are 2 blue and black wieres into a 2-1 blue/black connector. If I leave them wired this way, the front two signals stay on like markers. They blink like they’re supposed to also. If I wire the blues to the 2-1 black/blue and the two blue/black wires to the 2-1 blue, the lights all work the way they’re supposed to. But, still no hazards. Last edited by Losin on Sat Aug 14, 2010 11:28 am; edited 2 times in total

#2:   Author: anaman51,  Posted: Fri Aug 13, 2010 8:16 pm I see some contact cleaning in your future. The horn connection is faulty, and you need to backtrace it all the way to the battery to make sure all the connectors are clean and shining. Also, the button may be at fault. Flush it out with WD-40 and see how that works. Don't know what to say about the hazard lights, other than to replace the four-way flasher relay, although that may be due to crusty connections as well. I'd wire it as the manual dictates, though. Sounds like you need to make a concerted effort to clean all your electrical connectors out good and recrimp them. It won't hurt anything, and might help. Dan

#3:  Re: mess Author: terrip,  Posted: Fri Aug 13, 2010 8:23 pm I had a similar problem with my horns. It turned out that the diaphragms in the horns were stuck so I had to mess with the adjustment screw on the back. At one point it would work when connected directly to a battery, but when it was plugged into the bike it would just thunk. I had to fine-tune the horns because the bike put out too little/too much juice compared to the battery. I kept them connected to the battery for a while to work everything loose and I could tell that they were sticky because the pitch would waver like a dying duck. I eventually got them to work on the bike and haven't had problems since. Not sure if you're having the same problem, but it might be worth a try.

#4:  Re: mess Author: Losin,  Posted: Fri Aug 13, 2010 8:56 pm Did the contact cleaning on the one side, guess that is probably all that will help the 4-ways. I didn't consider the voltage to be a problem. There is a screw on the new unit, I'll give that a tweak, THANKS

#5:   Author: pofarm,  Posted: Fri Aug 13, 2010 11:20 pm You need a relay for the horn. The stock wiring won't handle aftermarket horns without one. http://viragotechforum.com/download.php?id=11849

#6:  Re: mess Author: Losin,  Posted: Sat Aug 14, 2010 12:04 am what does the relay do?

#7:   Author: 1986 XV700,  Posted: Sat Aug 14, 2010 1:10 am You said you cleaned the contacts "on one side." Sounds like you cleaned the terminals on one of the horns. The contacts that need to be cleaned is the contacts (the points that touch) inside the horn button. The relay that was mentioned is wired to the horn button and the horns are wired to the contacts of the relay. When you push the horn button it will energize the relay, the relay contacts will close, sending power to the horn and the horn will blow. The purpose for the relay is to allow it to handle the electrical load of the horns. The horn button has smaller contacts and will/can get hot and build up resistance with time and send less voltage to the horns.

#8:  Re: mess Author: Losin,  Posted: Sat Aug 14, 2010 1:47 am I cleaned the left hand controls. completely inside. I meant I'd be cleaning the other side tomorrow. Thanks very much for the relay answer. That makes sense.

#9:   Author: totallyredvirago,  Posted: Sat Aug 14, 2010 8:28 am http://www.viragotech.com/wiring/84_85_FIXED_XV700_XV1000.jpg diagram for your bike..blue/black wires are for you meter lights. did you cause this problem to happen when you installed the horns? ....dan

#10:  Re: Horn and signal problems (SOLVED) Author: Losin,  Posted: Sat Aug 14, 2010 11:31 am The Horn: Solved with the adjustment screw. The Hazard Lights: File this under duh, (cleaned the connections) Yea TRV, I have that diagram. You sent it some time ago, lol. But it still doesn't work "right" until I wire it "wrong". I'd suspect a cross somewhere but then wouldn't it work oddly in both scenarios?

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