auto volume control

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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=69606
Printed Date: May 14, 2025 at 2:28 AM

Topic: auto volume control

Posted By: cartex
Subject: auto volume control
Date Posted: December 30, 2005 at 9:02 PM

I have a 2004 Ford F150 with the Audiophile sound system. Recently, the auto volume control has stopped working. I had it set to 4 or 5 and it would lower the volume automatically when i slowed down. That is not happening now. What type of sensor does it use?? Is there a sensor located away from the head unit??? Or is the sensor built in to the head unit??? I appreciate your help.

Replies:

Posted By: Mike M2
Date Posted: January 01, 2006 at 8:30 PM

It uses the vehicles VSS wire to do this. It is the gray/black wire on the 24 pin plug on the back of your stereo. Yes, it is done in the head unit....

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Mike M2
Tech Manager
CS Dealer Services

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