muting new gm radios

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hafr

Copper - Posts: 62

Joined: July 05, 2004

Location: United States

Posted: February 14, 2005 at 6:52 PM / IP Logged

hey guys, just wondering if anyone has the info to mute a gm radio in a 04 monte carlo with onstar. Do i need a fancy data buss adapter or is there a mute for the onstar in the headunit plug.

any info would help

rich

Rich Hawthorne

Hands-Free installations

"don't talk with your hands full"

516-no-hands

kgerry

Platinum - Posts: 3,455

This member consistently provides reliable information

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: February 15, 2005 at 9:30 AM / IP Logged

OnStar mutes the radio via the class II buss.... what is it exactly you are trying to achieve?

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

hafr

Copper - Posts: 62

Joined: July 05, 2004

Location: United States

Posted: February 16, 2005 at 5:27 AM / IP Logged

I have a customer with a cellport300 vr and they want to mute the radio. The kit has a (-) neg out.

just want to mute the radio, but if I need a precission, or blitzsafe piece thats cost in 60 bucks or up, its not worth it. I just wanted to know if there was a wire.

Just a thought. can I relay the output of the kit to ignition on the radio and interupt it? will this cause problems with the databus? I know that the key chimes come through the radio as well.

Rich Hawthorne

Hands-Free installations

"don't talk with your hands full"

516-no-hands

jstruckman

Copper - Posts: 465

Joined: May 03, 2004

Posted: February 16, 2005 at 10:14 AM / IP Logged

Soundgate makes a harness for hands free kits, i think it retails for about 24 bucks or so. It plugs between the radio and the OnStar harness, and then gives you pigtails for audio and neg. mute trip for the hands free kit. If the vehicle does have Onstar you will need two relays to isolate the audio inputs of the Onstar and the handsfree kit, pretty simple to do.

Jazzy

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muting new gm radios

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