S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Wire diagram for amp/speakers?

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Old 07-29-2012, 08:19 PM
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Wire diagram for amp/speakers?

Does anyone here have the wiring diagram for the amp/speaker's? My left/rear door speaker is not working,and I would like to diagnose the problem if possible. Any idea why there's no sound...or is there a fuse for that specific speaker?
Old 08-09-2012, 04:50 AM
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Try this. Time to go aftermarket speakers/subs and amp. If you do decide to go that route, let me know. You will need AudioControl LCi6. It sounds awesome btw.
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Old 08-09-2012, 09:07 AM
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Thanks for the info. I tried looking at that diagram. But just can't figure it out. I'm basically looking for the rear left door speaker/tweeter wires that goes into the rear amp? Can you pin point me what those wire colors are. And which connectors are those? Thanks!
Old 08-09-2012, 09:24 AM
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See section 1e of the schematic. Speaker wire will be brown/green On negative side and Solid green on positive side. Tweeter will be section 3l, wire color green on positive side and Brwn /green on negative side.
Old 08-09-2012, 09:33 AM
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Where can I find the connector to where them wires go into the amp?
Old 08-09-2012, 09:44 AM
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Amp should be on left inside the trunk. Another way to check your speakers is to adjust fade/balance to that speaker listen for anything abnormal. If you hear a scratchy sound your speaker is more likely shot.
Old 08-09-2012, 09:55 AM
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I know where the amp is. It's the connector that I'm looking for? The previous owner had an aftermarket amp/speaker system installed. And I guess when they put it back to stock.the wires got mixed up. I did the adjustment to that specific door speaker.but hear nothing. I thought the speaker might been bad.but it was working when I tried to switch it to the other side?

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