Horn Fuse keeps Blowing Out.... WHY ?? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 09-18-2009, 10:18 AM
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Question Horn Fuse keeps Blowing Out.... WHY ??

The fuse to my horn in my 94 530i keeps blowing out.

What's the deal with it ?

Is there anything else on the horn circuit ? Where can I obtain a schematic for it ?
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#2 (permalink) Old 09-18-2009, 10:24 AM
OMFG another one!?
 
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Try realoem.com - there's a short somewhere that must be fixed.

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#3 (permalink) Old 09-18-2009, 01:17 PM
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Yep, it's definitely shorting out somewhere.
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#4 (permalink) Old 09-18-2009, 03:48 PM
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The car will have two horns,one low tone and one high tone.

These are if I am correct wired up constant live and the the horn push button sends the earth to complete the circuit.

Take the wires from both and then replace the fuse.

Connect one horn up and see if fuse blows,if not then the other.

If fuse blows with them disconnected then look at wiring for chafing where it runs under bodywork
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