06-30-2005, 02:58 PM
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Registered User
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Join Date: Mar 2005
Location: Roswell, GA
Posts: 152
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Need help wiring a power mirror . . . .
My '81 240D only came with a drivers side rear view mirror. So I went out and looked and found a power passenger side mirror as well as a power mirror switch and connector on E-bay. I'm by no means knowledgable in wiring things together, but figured how hard could this be.  I figured I could just connect the same colored wires from the switch to the mirror and then find a power source & ground. No such luck! The power mirror has 3 wires Grey, White & Black. The switch has 2 brown wires {to the same pin}, black, white, red & green. I assume 2 of the wires go to power & ground (looks like brown & black). That leaves 4 wires to connect to 3 wires . . . Arrrrrrrg!
Here is what I have done so far. I used an old 12V power supply and played random wire splicing until it seems to work.  I'm not sure if it is correct!
The connector for the switch has the following configuration:
pin# --- color of wire
1 ------ 2 brown
2 ------ green
3 ------ empty
4 ------ red
5 ------ black
6 ------ white
Here's what seemd to work as far as wire splicing:
Mirror ------ Switch
Grey ------ Green
White ------ Red & Brown
Black ------ White
Switch To Power Source
Black (+) and Brown (-)
Has anyone else done this?
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__________________
1981 240D, Auto Trans, 160k miles -- CRASHED! 
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