Audio Cuts Out When Headlights Are Turned 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=144917
Printed Date: May 13, 2025 at 4:42 AM

Topic: Audio Cuts Out When Headlights Are Turned On

Posted By: team603civic
Subject: Audio Cuts Out When Headlights Are Turned On
Date Posted: November 03, 2018 at 4:06 AM

Almost every time I have my subs turned up while driving as soon as I turn the knob to turn on my headlights I completely lose all audio coming out of my speakers and it does not return until the lights are shut off and the car is restarted.

What could be the issue?
Also I am in search of a wiring diagram for a 2009 Honda Civic LX coupe

Thanks!

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Codey
Team603Civic

Replies:

Posted By: geepherder
Date Posted: November 03, 2018 at 7:15 AM

Is this a factory system, aftermarket, or both? What equipment is installed?

This is a good site to bookmark where you can pull up all kinds of diagrams:

https://www.bbbind.com/free-tsb

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

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