Metra Adapters GM0S-05 or GMRC-04

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Mr_Fusion

Copper - Posts: 113

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Joined: April 03, 2002

Location: United States

Posted: March 03, 2006 at 7:01 PM / IP Logged

Anyone here familiar with Metra's GM0S-05 or GMRC-04? If someone has the install manual for it, it would be greatly apreciated if you could make it available for me to view, at least the wiring diagram. Thank you!

I am looking to retain door chime, RAP and maybe On-Star in a 2000 Bonneville. The car also has an external amp (Bose system a.k.a. U80). I don't care about retaining the external amp because the car is getting new amplifiers...if anyone here has any experience with this car or other adapters, please reply.

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tcss

Silver - Posts: 1,623

Joined: June 07, 2004

Location: United States

Posted: March 03, 2006 at 7:08 PM / IP Logged

I've used the GMOS-04 and it's great. Simple install, no external speaker needed, saved me a bunch of time.

There is no such thing as free installation!

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Mr_Fusion

Copper - Posts: 113

Joined: April 03, 2002

Location: United States

Posted: March 03, 2006 at 7:56 PM / IP Logged

How does the adapter interrupt the signal to the front speaker to play its chime??

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tcss

Silver - Posts: 1,623

Joined: June 07, 2004

Location: United States

Posted: March 03, 2006 at 8:14 PM / IP Logged

I think it uses the same data as the stock HU. All you do is plug it in and wire up the deck. Saw you were replacing the factory amp. Havn't done that yet, I would call Metra tech support and see if that would cause any problems.

There is no such thing as free installation!

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Mr_Fusion

Copper - Posts: 113

Joined: April 03, 2002

Location: United States

Posted: March 03, 2006 at 9:11 PM / IP Logged

Does the new HU's speaker outputs connect to the Metra adapter at all??

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kgerry

Platinum - Posts: 3,455

This member consistently provides reliable information

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: March 04, 2006 at 12:04 PM / IP Logged

just did a Bonneville the other day with a GMRC-04 and it worked fine... OK, the first one i put in wouldn't shut the chime off, but the second one worked fine.... ( Thank God, i always order at least 2 of everything... one to show and one to go....)

make sure (if you can) that it's software version 3.4 or higher.....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

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Metra Adapters GM0S-05 or GMRC-04

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