Horn not working
09-25-15, 10:46 AM
#1
Horn not working
So my horn stopped working a few days ago. Figured maybe it's just a fuse, so I looked under the hood, pass side and drivers side under the dash, and for the life of me I can't find a horn fuse. 
Maybe relay?
Does anyone have any idea where the horn fuse/relay is located? Or why the horn may not be working? I'm hoping it's not the clock spring, so I'd like to start with the easiest.
Thanks in advance!
Maybe relay? Does anyone have any idea where the horn fuse/relay is located? Or why the horn may not be working? I'm hoping it's not the clock spring, so I'd like to start with the easiest.
Thanks in advance!
09-25-15, 12:01 PM
#4
Thanks Roadfrog... Mine is a 2007.
Looks like other fuses, in addition to #17, also have 'horns' associated with them. I'll have to check all the ones that list it I guess. I was hoping there is a separate, horn-only fuse, but that doesn't look like the case.
Looks like other fuses, in addition to #17, also have 'horns' associated with them. I'll have to check all the ones that list it I guess. I was hoping there is a separate, horn-only fuse, but that doesn't look like the case.
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Parrokeete (10-31-21)
11-13-17, 04:51 PM
#6
I am having the same issue with the horn not working on my 2008 Ls460.
Its not the fuse as the other electronics that are on the same fuse are working. I'm
assuming its the horn itself or possible the switch in the steering wheel.
I'll try to see if I am getting power to the horn if I can find the horn. Does anyone
know where to look to for the horn?
Thanks,. Phil
Its not the fuse as the other electronics that are on the same fuse are working. I'm
assuming its the horn itself or possible the switch in the steering wheel.
I'll try to see if I am getting power to the horn if I can find the horn. Does anyone
know where to look to for the horn?
Thanks,. Phil
11-15-17, 02:22 PM
#7
Same issue here, regular horn is working but not the alarm one. Tested it at a garage woth computer and no fault/errors showed up and was able to trigger the security horn but it didn't sound like alarm horn. So wonder where is the alarm honk is and if it might be broken?
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11-15-17, 03:44 PM
#8
Found the horns and put direct powe to each one and they work fine.
So it's either the push pad on the steering wheel or could there be a relay
thats not triggering properly. Not even sure it had a relay.
So it's either the push pad on the steering wheel or could there be a relay
thats not triggering properly. Not even sure it had a relay.
02-11-18, 01:01 PM
#9
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Any news on the horn. I am having a problem with my 2008. Alarm horn works but not my horn on the steering wheel. Check all the fuse under the hood. Any suggestion?
02-11-18, 01:26 PM
#10
About the horn.
I bought the techstream cable and software from eBay.
While hooked up your can monitor the cars buttons in the dash steering wheel etc.
May the time I could not get any results from a physical home press in the steering wheel.
But after disconnecting it started working again then off again,.. then on again.
Not sure what the correlation is at this point. Could be that the horn switch is intermittent but I would have imagined more randomness where it’s not working for long periods and then not working for long periods.
Sorry I don’t have more good data.
I bought the techstream cable and software from eBay.
While hooked up your can monitor the cars buttons in the dash steering wheel etc.
May the time I could not get any results from a physical home press in the steering wheel.
But after disconnecting it started working again then off again,.. then on again.
Not sure what the correlation is at this point. Could be that the horn switch is intermittent but I would have imagined more randomness where it’s not working for long periods and then not working for long periods.
Sorry I don’t have more good data.
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Parrokeete (10-31-21)
02-26-18, 12:59 PM
#11
02-26-18, 01:37 PM
#12
01-24-19, 03:03 PM
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