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faulty horn
Hi all, 
I have a similar but not the same problem on a 2012 Berlingo. 
My problem is that the horn keeps beeping after I turn off the engine. 
I have gone through a load of different "fixes" but nothing has worked. Might be immobilizer or something, anyway I'm fed up now and I'm going to wire a ner harness to the existing wiring from the steering wheel, hopefully somewhere in the engine bay. 

Behind the air bar are a red and black wire for the horn, live and earth. 
The steering column side there are no red and black wires !!. there are 3 plugs, probably one for the horn, 1 for the air bag and I don't know what the other might be. 

Does anyone know where the horn switch wires enter the engine bay, 
what colours they are or even better what numbers should be on them ?
I can't find a good wiring diagram anywhere, the one's I did find are a bit confusing. 

I have the horn and relay and power to the relay wired up, just need to find the horn switch wires now and I'm ready for doe test (Ireland).

Any help would be appreciated
Huh 2012 (62) B9 Berlingo 1.6 Hdi (75hp) 

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