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 Post subject: Horn going off in the middle of the night
PostPosted: Tue May 30, 2017 11:15 pm 
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Joined: Wed Jun 22, 2011 3:52 pm
Posts: 3
I have been wracking my brain trying to fix this problem for months. Every once in a while I wake up to find the horn going off continuously, mostly in the middle of the night (of course).
After a couple of trips to the mechanic I finally figured it out:
- it only seemed to happen when my jeep was parked head in on my driveway, which would mean the jeep sloped downhill.
-it also only happened after a heavy rain.

I FINALLY took the thing open after this happened to find a small drip of water coming down BEHIND the fuse box. What I finally figured out was that the sunroof drain on the driver's side was partially clogged, meaning that during a normal rain it would be okay if it was parked nose uphill or if the rain was light, but when it came down in buckets, the drain would overflow and then drip down along the frame channel into the fuse box and short out the horn.

So, next time you have an uncontrolled horn incident, check out the sunroof drains!
:lol:


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 Post subject: Re: Horn going off in the middle of the night
PostPosted: Fri Jun 09, 2017 1:18 pm 
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Joined: Sun Nov 23, 2014 8:11 am
Posts: 139
Location: Virginia, west of D.C. / In the middle of moving to Roanoke
Had that prob several times, exactly as you say, about 2 years ago.

It's a real PITA trying to get the final bit of crud out at the bottom.
I can get it to flow well while pouring water from a bottle, even quickly, and you can hear it make that 'draining bathtub' sucking sound which just fools you into thinking it's clear.

And then you get a heavy rain, come to a stop or make a left turn, and it dribbles out of the headliner onto my left knee, again.

I'm convinced that the only way to fix it is to take the fenders off to access the lower ends of the drain tubes.

_________________
'06 Liberty Limited CRD.
135K miles.
- Timing belt done.
- Weeks Kit Stage 1.
- Weeks Kit Stage 2.
- JBA 2.5 inch Silver kit and UCAs installed at 125K miles.
- Weeks supplied Samco Intercooler Hoses and clamps.

Waiting for time, limber fingers, and good weather to do my HDS Model 001 Thermostat unit swap.


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