Member Since: 08 May 2016
Location: Essex
Posts: 422
Horn wires
Good morning all can somebody please explain in simple answers the wires on the horn I have had a look at the horn itself and it has two wires coming from it is one live and one earth cheers steve
there are two wires and two scenarios, but i don't know which method the Disco uses without having a look.
1. always has a 12v supply and is operated by the other wire being connected to earth when you press the horn button.
2. earth is always connected and pushing the button makes the other wire 12v.
Dean
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29th Apr 2020 8:42 am
Sea Raider
Member Since: 01 Nov 2016
Location: None
Posts: 4450
From the Manual
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29th Apr 2020 8:48 am
Steve17
Member Since: 08 May 2016
Location: Essex
Posts: 422
Cheers basically I am trying to wire up a electric air horn and the instructions say take feed direct from the battery and then connect the earth from the control unit back to negative post on battery then run speaker wire from the control unit to the speaker that’s included and put the speaker behind the grille I have done all this no problem but the bit I am looking for help with is the instructions say take a positive 12v trigger from your horn ring so the air horn knows when you press the horn button to make its sound
29th Apr 2020 8:53 am
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10371
A link to what you purchased would be good.
Does it include a 4 pin relay ?
29th Apr 2020 12:41 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18457
The Black wire is the ground
The Purple/green wire is the switched live supply - the trigger you need06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
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