1995 mercedes sl 320 bose

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Forum Name: Vehicle Wiring Information & File Requests
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URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=92293
Printed Date: May 14, 2025 at 7:52 PM

Topic: 1995 mercedes sl 320 bose

Posted By: lsondubz
Subject: 1995 mercedes sl 320 bose
Date Posted: March 30, 2007 at 11:38 AM

Customer has a 1995 Mercedes SL 320 and wants a new headunit. The car does have factory BOSE system and I am wondering if I need to bypass the amp or if I can just wire up the euro harness and turn on the amp, please let me know if you guys can help!!

Replies:

Posted By: Ween
Date Posted: March 30, 2007 at 4:34 PM

hi,

just wire the harness like you said, and trigger the amp. all the wiring you need is at the headunit.

Posted By: lsondubz
Date Posted: April 02, 2007 at 4:38 PM

Well there is going to be an extra 10-pin plug not used if I wire up a normal harness, I wasnt sure what that was used for or if I needed it, I guess ill wire up the harness and see what happens...thanks

Posted By: kassdog
Date Posted: April 02, 2007 at 7:25 PM

I haven't had any problems just wiring up mercedes bose yet so you should be fine.

Posted By: Ween
Date Posted: April 02, 2007 at 7:57 PM

the ten pin harness is for the cd changer

Posted By: lsondubz
Date Posted: April 02, 2007 at 8:51 PM

How do I know which is the amp turn on? I saw a Metra harness that used RCA pigtails for the bose system but will it just accept speaker level inputs?

Posted By: Ween
Date Posted: April 02, 2007 at 10:02 PM

lets see, wire colors at radio harness....RED / white- battery, brown- ground, BLACK/ stripe?- accessory, GREEN/ stripe- speed sense, yellow/black- radio mute, blue/whitr?- amp remote...have i missed any?

...or is the old radio still available and working, use a multimeter or safe test light...the amp remote will only have power (+12v or so) when the radio is turned on.

Posted By: lsondubz
Date Posted: April 05, 2007 at 8:26 AM

I got everything wire up normal except I had to swap the ACC and Constant leads on the harness...

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