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1991 300TE 4Matic
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78 Posts
Discussion Starter #1
Hello,
can anyone send me the wiring diagram for the original radio/amp setup on a 92 190e? 6 speaker stereo. My pops' radio comes on but no sound comes out of it. Sounds like a bad amp to me. Even if you can break down the wiring colors for me we can trace it. Thanks
 

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IR MODERATOR
1996 Volvo 855GLT, 1993 MB 190e 2.3 8v, 1998 Subaru Outback SUS, 1991 BMW 525, 1998 MB C230
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9,228 Posts
amps in the trunk on the right side of the car.
 

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2008 Outback 2.5 XT, 2012 CNG Civic
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1,768 Posts
I will scoop up that diagram again - even better to do a search:)
 

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W201, W202, W203, W204, W205 Moderator
Amethyst 2001 C320
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1,733 Posts
This is from memory (haven't worked on a w201 stereo in awhile), but there should be either a blue or a blue&white wire coming out of the back of the radio and going all the way to the amp. This is the amp turn-on signal wire, and tells it to turn on and off. If there's a bad connection on either end then you won't get any audio. Also check the black wire, that's your ground and you'll want to check for a good connection on both ends as well.
 

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W245 Moderator
2009 C300 4MATIC
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3,302 Posts
puchscooter said:
Hello,
can anyone send me the wiring diagram for the original radio/amp setup on a 92 190e? 6 speaker stereo. My pops' radio comes on but no sound comes out of it. Sounds like a bad amp to me. Even if you can break down the wiring colors for me we can trace it. Thanks
Here you go, buddy:

 

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w201,w124,w126
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2,318 Posts
Could someone post a pic of the rear of the Mercedes Alpine deck, i forgot what each terminal is.
and i dont have the harness.

Or just annotate this picture. I can tell what is for the speakers and what is for the cd shuttle and radio antena, but what about the rest?

I'm wiring it to use at home.
 

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w201,w124,w126
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2,318 Posts
Code:
--------------
| 1  2  3    |
|          4 |
--------------
1 = 12v Constant
2 = Illumination  (anyone know the voltage?)
3 = 12v Switched
4 = GND
Anyone know any of the other pins?

And wtf is "Switched" supposed to mean?
 

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Registered
91 190e 2.6, 93 toyota paseo, 2001 nissan maxima.
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25 Posts
At home, jst connect the illumination+12constant+12switched together and connect it to your the positive of your power source they are all 12volts and connect black wire to your ground.....not the floor Hhaha lol.
but why the F#$%^ would you wanna use a car stereo @ home when you can get some quality ones at a WALMART price?
 

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92' 190e
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1 Posts
Can anyone send me a picture of the audio wiring diagram for a 92' 190e? I just bought it and I cannot get the door speakers to come on.
 
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