horn honk
Printed From: the12volt.com
Forum Name: Cellular and Communications
Forum Discription: Cell Phones, Hands Free Kits, Bluetooth, Two Way Radios, CBs, Pagers, Wireless Internet, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=60577
Printed Date: May 13, 2024 at 8:49 PM
Topic: horn honk
Posted By: mexi
Subject: horn honk
Date Posted: August 03, 2005 at 12:38 AM
im sure its a simple question, but how do you add horn honk or exterior siren to a hands free kit so you can tell the phone is ringing. ------------- mexicang
Replies:
Posted By: Customautomotiv
Date Posted: August 04, 2005 at 2:08 AM
WOW.........I havent had someone ask me that question in years!...That feature went out with 3 watt analog phones..........I dont know if the ground ouput from most handsfree car kits is strong enough to honk the horn.
Posted By: Masta N
Date Posted: August 04, 2005 at 5:19 PM
Use a SPDT relay,a flasher relay, and a toggle switch. Wire the audio mute to 85. +12 volts through the switch to 86. wire either +12 or ground(depending upon the trigger for the horn, or if you go direct to the horn+12V) to 87. From 30 to the flasher relay and on to the horn trigger or direct to the horn(prefered)
Hope this helps
Posted By: Masta N
Date Posted: August 04, 2005 at 5:22 PM
BTW, the switch is there so you can shut down the horn while your on the phone. This is a band aid fix, for you must turn it off while you drive(you could use another relay to make it work only with the car off) and it must be manually reset after each use.
Posted By: mexi
Date Posted: August 04, 2005 at 8:25 PM
thanks i appreciate it.
-------------
mexicang
Posted By: m.ol
Date Posted: August 08, 2005 at 1:57 PM
Try ESI Supply in Midland Texas, they have a unit called the SmoothHonker, phone number is 1-432-520-5374.
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