train horns 05 f350

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hzemall

Copper - Posts: 55

Joined: May 26, 2004

Location: Canada

Posted: February 09, 2008 at 12:42 PM / IP Logged

Quick Question:

On this truck there are 4 aux switches on the dash, I want to be able to activate the train horns with one of these switches, how do I wire a relay for this

Thanks

Tim Baillie

Installer/Designer/Fabricator

Certified Autosound & Security

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tedmond

Gold - Posts: 4,610

This member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.

Joined: January 06, 2007

Location: Ontario, Canada

Posted: February 10, 2008 at 7:33 AM / IP Logged

using your switch and relay wire up like so.

switch will send negative out to relay.

85 - ground from switched source

86 - constant 12v

87 - high current 12v

30 - to positive wire of horn.

ground the horn negative wire.

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train horns 05 f350

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