Horn relay
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=139088
Printed Date: April 27, 2024 at 9:05 AM
Topic: Horn relay
Posted By: mpitts
Subject: Horn relay
Date Posted: June 15, 2015 at 11:43 AM
Good evening Ladies and Gentlemen,
I am working on a 1951 Mercedes Benz V170A. I am having a problem with the horn switch (negative signal). The switch is shorted to battery voltage and I would like to know if there is anyway possible that I can wire up a relay (4 pin) and a switch to disable the horn/relay so that I am not operating the horn and the turn signals at the same time. There was a similar system in another vehicle in my shop here in Germany with the same setup/problem. The switch is a normal push/pull switch with 4 connections (2 circuits). I will also include a wiring diagram for the vehicle. The circuit is very simple to understand.
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Michael R. Pitts
Replies:
Posted By: howie ll
Date Posted: June 16, 2015 at 7:36 AM
Just cut the horn wire where it exits the steering column then give it a push switch to earth. No relay required.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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