Convert the Car Radio Speaker Output to 12 Volt Remote Turn On

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=145038
Printed Date: May 09, 2025 at 7:10 PM

Topic: Convert the Car Radio Speaker Output to 12 Volt Remote Turn On

Posted By: f29966
Subject: Convert the Car Radio Speaker Output to 12 Volt Remote Turn On
Date Posted: December 11, 2018 at 11:14 AM

please show me how to wire a relay to convert the factory car radio speaker signal to 12 volt remote turn on for aftermarket amplifier.

Replies:

Posted By: geepherder
Date Posted: December 11, 2018 at 12:23 PM

If there is no factory amp, your best bet would be to use an accessory wire in the vehicle.

Otherwise, search for a line output converter with an amp turn on lead.

-------------
My ex once told me I have a perfect face for radio.

Posted By: f29966
Date Posted: December 11, 2018 at 2:14 PM

thanks for your advice

Posted By: DYohn
Date Posted: December 14, 2018 at 1:39 PM

A PAC TR-4 low voltage trigger module will do what you need.

-------------
Support the12volt.com

Print Page | Close Window