2008 silverado using gmcss 3, with static

Printed From: the12volt.com
Forum Name: Cellular and Communications
Forum Discription: Cell Phones, Hands Free Kits, Bluetooth, Two Way Radios, CBs, Pagers, Wireless Internet, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=103094
Printed Date: May 07, 2025 at 8:10 AM

Topic: 2008 silverado using gmcss 3, with static

Posted By: xxmattfxx
Subject: 2008 silverado using gmcss 3, with static
Date Posted: March 15, 2008 at 7:19 PM

Anyone ever used this part, every other post I found in other forums about this item says it works great. However I hooked it up today to a Motorola HF850 and there is background static whenever it is active, the noise is there even when the output wires from the bluetooh unit is disconnected. I tried putting an LOC between both the HF850 and the GMCSS-3, and then between the GMCSS-3 and the factory radio...it udjusts the level of the call but does nothing to the static. Any suggestions?

Replies:

Posted By: jeffwhiteman
Date Posted: March 17, 2008 at 5:27 PM

Have you tried contacting cell site directly? The guys there are usually very helpful and know their products well. I havent spoken to them in a while but I used to talk to a guy named Heath (800) 937-6644

Posted By: nicestuff
Date Posted: March 18, 2008 at 10:34 PM

Bad ground?

Posted By: dwarren
Date Posted: April 08, 2008 at 12:17 PM

We had the same problem, we went through two of the interfaces, with no luck. Same static noise. We wound up refunding the customer her money.

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