wiring for ’93 mercedes benz 400sel
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=132636
Printed Date: May 11, 2025 at 6:46 PM
Topic: wiring for ’93 mercedes benz 400sel
Posted By: big-gee
Subject: wiring for ’93 mercedes benz 400sel
Date Posted: November 10, 2012 at 5:14 PM
I need a car stereo wiring diagram for the '93 400SEL.....Bought the car with just the sppeakers in door connected.....want to re-connect rear deck speakers....BOSE amp is still in car....THANX
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BIG GEE
Replies:
Posted By: lurch228
Date Posted: November 11, 2012 at 5:26 AM
Audio/Mobile Video
WIRE COLOR POLARITY LOCATION
LF Speaker (+) WHITE
LF Speaker (-) BLACK
RF Speaker (+) WHITE
RF Speaker (-) BLACK
LR Speaker (+) WHITE
LR Speaker (-) BLACK
RR Speaker (+) WHITE
RR Speaker (-) BLACK
Steering Cntrls NO
Speed Cntrl NO
Radio Security YES
Posted By: soundnsecurity
Date Posted: November 11, 2012 at 10:57 AM
are they disconnected behind the radio? do you know if the rear speakers are just disconnected because they may just be blown. is the system running off of the factory head unit or is there an aftermarket head unit installed?
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Posted By: big-gee
Date Posted: November 11, 2012 at 4:50 PM
The previous owner had a custom system so there is an aftermarket head unit connected.....the four doors are connected...the bose amp is still in there...however i do not know if it is connected.....just got some speakers for the rear deck from another Benz....i see no wiring for the rear deck in the trunk.....so i need to know what im lookin at once I pull the head unit out...
------------- BIG GEE
Posted By: big-gee
Date Posted: November 11, 2012 at 5:03 PM
And the speaker behind the rearview mirror is still there also
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BIG GEE
Posted By: Ween
Date Posted: November 11, 2012 at 6:11 PM
from old notes, wiring at amp:
RED / white x2...battery, brown x2...ground, grey/white & grey/RED / white...R woofer, grey & grey/red...L woofer, grey/white & grey/green...R rear, grey & grey/red...L rear, grey / YELLOW & grey/white...R front, grey & grey/red...L front, grey & grey/brown...center channel, red, yellow, blue, white...amplifier inputs. have brown, BROWN / green, and BROWN / red left as well as amp remote...forgot to tag that color.
Posted By: big-gee
Date Posted: November 12, 2012 at 8:06 PM
Thank u....very helpful.....maybe the remaining wires are for the security.........thanx again.....very much appreciated  ------------- BIG GEE
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