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Monday, October 27, 2025 • Copyright © 1999-2025 the12volt.com, All Rights Reserved • Privacy Policy & Use of Cookies
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This should be right if not and it works in reverse just swap the lock an unlock wires.
Wire ground from 504K to GWA This will keep the warn away (Green) from honking the horn when ignition is off and doors are unlocked.
Ignition still needs to be hooked up so shock sensor stays off also, to keep the auto door locks from turning on the GWA if doors lock when driving.
Relay to make the horn honk shortly. By wiring 504K Green to relay pin 85, 86 to +12v and 87 to the required input for the horn (+ or -), and 30 to horn wire. Use a DMM to test the horn wire for polarity and use the matching polarity for the 87 on relay.
No Warn away chirp is for aftermarket alarms with sirens that support it. But using the relay above will get you a single short horn honk.