Illini Posted August 9, 2006 Share Posted August 9, 2006 Seems I can only get about 2 bursts out of the horn then it shuts down. Turn the bike off then back on and it works fine for a coupla more blasts then nothing till I turn off/on again. Does the CANBUS control the horn too? Please proceed to the nearest highway out of town and begin to blast your horn multiple times. Does yours fire each time? Link to comment
GelStra Posted August 9, 2006 Share Posted August 9, 2006 Haven't the faintest idea....but I nominate your's for best attention getting subject line! Got MY attention! Link to comment
bmwin14rsm Posted August 9, 2006 Share Posted August 9, 2006 I have had the same problem on my 2005 R1200rt Link to comment
roadscholar Posted August 9, 2006 Share Posted August 9, 2006 There've been at least two comprehensive discussions on the subject in the past year. Evidently some RT's have the problem and others don't, my '05 does. Basically an overloaded circuit and the CANBUS shuts it off. I haven't had it in yet to see if there's a solution though. Link to comment
ScottT Posted August 9, 2006 Share Posted August 9, 2006 Use the search function on this forum and you find numerous posts on this, including mine on how I resolved this issue on my RT. Link to comment
Albert Posted August 9, 2006 Share Posted August 9, 2006 I've only blown mine once. (oops that didn't sound right in this thread did it?) I'll let you know the next time. Link to comment
Ken H. Posted August 9, 2006 Share Posted August 9, 2006 A factory horn that is pulling a current level out of spec. seems to be the most common reason. A quick warranty replacement of the horn itself should fix you right up! Aftermarket horns are a bit trickier. I've had to do some loading experimentation across the relay for those to hit the proper current drain so the ZFE module doesn't shut down the horn port because of to little of current drain. Link to comment
GelStra Posted August 9, 2006 Share Posted August 9, 2006 And we know what it sounds like when it ISN'T working right! Link to comment
R4ND0M_AX3 Posted August 9, 2006 Share Posted August 9, 2006 ...I've had to do some loading experimentation across the relay for those to hit the proper current drain so the ZFE module doesn't shut down the horn port because of to little of current drain. What did you come up with? Link to comment
CraCol Posted August 9, 2006 Share Posted August 9, 2006 Seems I can only get about 2 bursts out of the horn then it shuts down. Turn the bike off then back on and it works fine for a coupla more blasts then nothing till I turn off/on again. Does the CANBUS control the horn too? I had the issue with my '05 from new.. They replaced the horns and since then, no issue.. It appears teh horns casued an overload with teh CanBus and the Canus shuts the circuit down.. Link to comment
marcopolo Posted August 9, 2006 Share Posted August 9, 2006 I discovered I had the same problem on my '06 RT when I was at the MOA rally in Vermont. My bike has the wimpy single horn too, not the dual horns like on the '05s. I haven't done anything about it yet with the dealer. Link to comment
Ken H. Posted August 9, 2006 Share Posted August 9, 2006 ...I've had to do some loading experimentation across the relay for those to hit the proper current drain so the ZFE module doesn't shut down the horn port because of to little of current drain. What did you come up with? Usually somewhere between a 5 to 15 ohm resistor across the original horn leads, i.e. in parrallel with the new horn's relay seeems to get the current level close enough to fool the ZFE module into thinking a standard horn is still there. Link to comment
ADulay Posted August 9, 2006 Share Posted August 9, 2006 Tried mine out yesterday and I felt kind of stupid wailing away on that horn for something like 10 seconds (which seems VERY long when you're riding) and it continued to work just fine. AD Link to comment
Illini Posted August 9, 2006 Author Share Posted August 9, 2006 Tried mine out yesterday and I felt kind of stupid wailing away on that horn for something like 10 seconds (which seems VERY long when you're riding) and it continued to work just fine. AD Try short 2-3 second bursts and see if your horn will fire 6 times??? If I hold the horn button down it will blair for hours on end but I'll not get a second blast until I turn it off/on Link to comment
mrzoom Posted August 10, 2006 Share Posted August 10, 2006 Testing,testing. This is a test and only a test. Had this been an actual emergency the f$#%$ thing didn't work. Carry on. Link to comment
JayW Posted August 10, 2006 Share Posted August 10, 2006 Try short 2-3 second bursts and see if your horn will fire 6 times??? If I hold the horn button down it will blair for hours on end but I'll not get a second blast until I turn it off/on I have tried every which way to get mine to fail, and it never has. Just lucky I guess. Jay Link to comment
ADulay Posted August 10, 2006 Share Posted August 10, 2006 Try short 2-3 second bursts and see if your horn will fire 6 times??? If I hold the horn button down it will blair for hours on end but I'll not get a second blast until I turn it off/on I'll give it a try tomorrow morning on the ride to breakfast. AD Link to comment
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