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#1
10-18-1999, 11:45 PM
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I had a friend install a Clarion cd player in my 1991 190e and I think he wired it wrong. Everything works fine, but the memory for the presets doesnt stay. The model # for the original stereo is CM2190. Connected to this stereo was a harness with four wires a brown, green/yellow/black, grey, and one other wire. Can anyone tell me what these wires are? Also, i noticed that my glovebox light and shifter light arent working after the install, do any of the wires to the stereo have anything to do with this. I checked the fuse and it was ok.
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#2
10-19-1999, 08:58 PM
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The wire that maintains the memory is the red wire. It has power all of the time. There should be two power wires connected to your radio. 1 red constant power and 1 black (sometimes with a yellow stripe) for the switched power.
------------------ Benzmac: 1981 280GE SWB 1987 16V ASE CERTIFIED MASTER AUTO TECHNICIAN SERVICE MANAGER FOR 14 BAY FACILITY MERCEDES SPECIALIST 8 YRS PARTNER IN MERCEDESSHOP.COM
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#3
10-19-1999, 11:27 PM
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Benzmac, thanks a lot for your help
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#4
10-20-1999, 06:20 AM
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My shifter light stopped working too. All that happens is the light itself falls out of the holder. It probably works still!
With the glovebox light, the connector has a tendancy to fall off. I presume you removed the glovebox to get to the stereo back? Its a long shot, but maybe, just maybe! Brian ------------------ Brian Drought 1991 300CE http://www.users.globalnet.co.uk/~drought/ ICQ: 2180069
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#5
10-20-1999, 11:35 PM
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What does the blue wire coming from the car do?
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#6
10-21-1999, 01:53 AM
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When dealing with stereos, that blue wire goes to the power attenna to tell it to raise , or any external amplification you may have. It's just a very very low current 12V line.
Brian ------------------ Brian Drought 1991 300CE http://www.users.globalnet.co.uk/~drought/ ICQ: 2180069
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#7
10-24-1999, 11:12 PM
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does anyone know what all the wires from the car do?
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#8
10-25-1999, 04:44 AM
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Which wires? The blue one is attena power as above, and benzmac covered the others...
Blue = Antenna Red = Switched Power (normally) Yellow = Constant Power (for radio Memory etc ) Black = Ground Orange(I think) = Stereo Lighting when you turn your lights on (or off in the case of backlit systems) Pink = Telephone mute Its very early, and I may have got pink and orange mixed up. Of course you'll also have 4 sets of speaker wires or so, and an antenna wire. Hope this helps, Brian ------------------ Brian Drought 1991 300CE http://www.users.globalnet.co.uk/~drought/ ICQ: 2180069
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#9
10-27-1999, 07:39 PM
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what i need to know is what do the wires do coming from the cars wiring harness. thanks
CAR WIRES: -------------- RED: I know this is the constant mem. wire BROWN: Ground LIGHT BLUE WITH A DARK BLUE STRIPE: Dont know? but it isnt the antenna wire. 2 YELLOW/BLACK WITH A LIGHT GREEN STRIPE: Dont know? LIGHT BLUE: Antenna
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