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01 tahoe w/ onstar no sound

Printed From: the12volt.com
Forum Name: Mobile Video, GPS, and Navigation
Forum Discription: Mobile Video Head Units, DVD Players, LCD and TFT Monitors, Navigation, GPS, PS2, PS3, XBox, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=69965
Printed Date: May 11, 2025 at 10:41 AM


Topic: 01 tahoe w/ onstar no sound

Posted By: ss-installer
Subject: 01 tahoe w/ onstar no sound
Date Posted: January 03, 2006 at 6:58 PM

put a Pioneer AVIC-N2 in a 2001 Tahoe with Onstar NO Bose. used the PAC OS-1 interface.

PROBLEM: the headunit plays fine until you get between 30-40 volume. the headunit stays on but the sound shuts off. turn the key off and back on and it works fine again.

we called PAC support and they couldnt offer any suggestions except the mute wire which we already had going to the onstar active wire. we explained how everything was wired and they said it was fine, maybe a bad unit (brand new).



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Replies:

Posted By: xtremca2003
Date Posted: January 03, 2006 at 7:42 PM
you may be overdriving the factory amp causing it to go into protection. Factory head units have jack for power output, since the aftermarket has much more. GM factory amps are touchy.

chris


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