1999 Q45 - horn goes off when charging dead battery

[mitviet]

I need some help... Can someone please tell me where I can find the horn relay? I have a dead battery but when I jumped start the car , the horn goes off and I can't stop it . Someone told me to remove the fuse or to disconnect the horn relay ...well, I looked at the fuse box at the foot of the driver side and don't see anything that say specifically for Horn... so disconnect the relay is the other option. Appreciate in advance.

-- Tony --

[SanCarlosQ45]

Did you unlock the car with the key when the battery was dead? I had the same problem on my 94' where when we tried to jump the car the alarm would go off. 45 minutes later I figured out that I needed to unlock the car when the jumper cables are connected.

So try unlocking the car with the key, not the remote, when the jumper cables are connected.

[paranoidjack]

Yep Carlos has it, just be ready to unlock the door w the key when the horn starts beeping. Should resolve it.

[mitviet]

Thank you so much guys... I already replaced with a brand new battery but for curiosity I tried this method w/ the dead battery and voila, it worked. So I returned the new battery. You guys just saved me 85 bucks. Thx again.