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#1
06-12-2007, 08:41 PM
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Hardwire Garage Door Opener DIY
Having wired my new radio directly to the four speakers in my W123 car, I had no further use for the factory "fader" control. I decided to build my garage door opener remote into the car and use that location for the pushbutton.
Since I didn't want to change the appearance of the console, I first looked for a switch that would mount in the factory hole. No go. Then I looked at the fader control itself. I discovered that the switch could be carefully pried apart, the guts removed, and a small rocker switch glued inside. The switch sits low enough in the console that it can't be pressed accidentally. I ran a length of small-gauge speaker wire from the new switch, through the console and into the glove compartment. This wire was then soldered onto the little PC board in the remote. The wire is attached with a mini-Molex plug and socket so the remote can be removed from the car. It works so well I did one for my wife's W124 also. The remote operates on a little 12 Volt battery so I could have wired it directly to the car's electrical system. I decided to stay with the internal battery so that I could take the remote out of the car and use it independently. The plug/socket also allows me to swap remotes with the W124 in case we decide to change places in the garage. Jeremy
__________________
 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 
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#2
06-12-2007, 08:51 PM
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Well done, looks great.
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'10 Chrysler T&C Stow-N-Go White. Grandpa's ride. '13 Chrysler 200 Touring Candy Red. Grandma's ride. Age and cunning will always over come youth and vigor.
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#4
06-12-2007, 08:57 PM
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My fader switch is still there, but unused.
 I plan on putting the USB port from my headunit there eventually....I just don't feel like prying all that off again right now. Too hot out. 
__________________
-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#5
06-13-2007, 01:37 AM
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That's brilliant, damn yet another project for my car.
Chris
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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss
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#6
06-13-2007, 01:56 AM
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I think thats gotta be the best idea for the W123 I've seen in a while. Gonna try that once I live somewhere long enough to justify it.
-Zach
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1978 240D Auomatic Custom Charcoal Gray, Navy MB tex, kenwood/Elemental/Boston/Aura sound, Shaved antenna and emblems. 1990 Lincoln Town Car, Sleeper/Strip car in progress, 17.75@77mph  .
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