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amp installation

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=15737
Printed Date: November 02, 2025 at 3:03 AM


Topic: amp installation

Posted By: tee17
Subject: amp installation
Date Posted: July 01, 2003 at 3:55 PM

how can i hook an amp up to my car? i have a 2003 Monte carlo. what wire do i tap into for the remote wire?



Replies:

Posted By: esmith69
Date Posted: July 01, 2003 at 5:45 PM

Because this vehicle uses the Class II wiring system, there is no +12v switched wire in the radio's harness, nor would there be such a wire in the factory amplifier's harness.  Unlike a typical 12 volt component, the stereo and the factory amps in class II vehicles get their turn-on signals via the class II data wire.

You have to find the accessory/switched wire in the ignition harness.  Someone with access to Techsoft should be able to give you the right color codes.  Also you could try getting a switched connection from the fusebox.

As always, make sure that you verify that you have the correct wire by testing with a multimeter before connecting to it.



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Ethan
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"Patience, persistence, and perspiration make an unbeatable combination for success"
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