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Hi, this is my first post, thanks for bearing with me. I recently bought my first Civic, a 2001 EX 4-dr, and I've discovered that it has a problem with the horn wiring.

The horn was apparently cut and removed some time in the vehicle's past and the wires were not taken care of well enough because every time the horn is triggered, it blows a fuse. It's the fuse that is also for the tail lights, so every time it blows (which is every time I lock the car), I can't shift out of park. Obviously this is getting annoying.

I've got 3 years of an Electrical Engineering degree under my belt, so I'm fairly confident I can fix this, but my question is, where the heck are the wires for the horn?

 
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Can you not trace them back from the horn to the fusebox (under the dash)?

 
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the horn is located inside the front bumper, on the driver side. you will have to remove the bumper to get to it. it's bolted onto the frame of the car itself, it's black and about 3 inches in diameter. maybe the wires are just shorted. best of luck, and post some more!

 
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you should be able to find a slice or something in the wire if you trace it

 
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Alright, thanks a lot. I'll work on getting that bumper off tomorrow. I assume I'm looking for an orange wire as per the Vehicle Wiring Database, though it's probably wrapped.

Also picked up most of the parts for my sound system today. I have to say I really like this car so far, and these forums just rock.

 
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Just wondering what does the horn fuse have to do with not shifting out of park???

 
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woah, a new Iceman??

 
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Did I unintentionally commandeer somebody's name?

 
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The horn and brake lights seem to be routed through the same fuse - if one shorts out, the fuse blows and both are disabled. If that happens, the brake lights won't activate when you push the brake pedal, and you won't be able to shift from park.

 
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I understand the concept but this is pretty silly. What if you're in the middle of nowhere and you need to drive to get a new fuse?? This actually happens ini your car?

 
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In the meantime you can unlock your shifter so that you should be able to get it out of park

 
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Does that involve the little removable plastic piece near the shifter?

 
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bumper isn't too tough to take off. there are a couple pop bolts in the wheel wells (i think maybe one screw), 4 pop bolts on the grill that are easily accessed under the hood (grill=that piece with the "H" on it), and then under neath the car there are about 6 pop bolts, i think 2 screws as well. take out all you can find, tug gently, and you should be good. make SURE to put a blanket on the ground or something though, you do NOT want to scratch up that nice bumper. this is the most crucial of all steps. breaking pop bolts or having extras will happen, but scratching a bumper is an expensive chore to fix.