alternator whine after z1

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GZus

Member - Posts: 13

Joined: November 13, 2003

Location: United States

Posted: April 11, 2006 at 9:24 PM / IP Logged

Installed Avic-Z1 in a 06 tahoe I used a metra onstar/bose interface plug and after installed know i'm getting some alternator whine. Just installed the same setup in my bosses 06 seirra and not aware of any problem. Should i possible ground the radio to the chassis rather then the plugs ground wire? Also is there any chance anyone knows how to bypass the Z1 nav lock out ? Also you can use the factory xm antenna for the pioneer sirius tuner. Thank you.

extreme1

Silver - Posts: 1,070

Joined: February 12, 2003

Location: Canada

Posted: April 12, 2006 at 10:27 AM / IP Logged

you used a GMOS-04?

there's a gain inside that interface that usually needs to be turned down.

Shaughn Murley

Install Manager, Dealer Services

Visions Electronics

Red Deer, Alberta

doibuy

Copper - Posts: 177

Joined: March 15, 2006

Posted: April 12, 2006 at 11:22 AM / IP Logged

Try putting a power filter on the constant power lead before it goes into the adaptor, I had this problem sometimes with the PAC OS2BOSE. You can use the factory antenna lead for the Sirius, it is located behind the glovebox. You will probably have to remove the factory XM tuner and put your aftermarket one there, unless you want to re-route the factory antenna. You may have to remove the yellow plastic plug, but it should plug in and work great. I've done this a million times with the Eclipse Sirius and the XM Commander.

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alternator whine after z1

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