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  #1  
Old 07-10-2003, 01:37 PM
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Join Date: Mar 2003
Location: Convent Station, NJ
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Power Windows...Negative Motor Switch? One-touch conversion

There are two modifications that I'd like to make to my '85 380SL. The first is a "One-Touch" window Up or Down switching and the other being a remote door lock/unlock feature.

This question is for the Auto window feature. Has anyone done this? I found one module that facilitates this need however, it states " This unit will not work with some German cars that have negative window motor switches." Does the 107 use a "negative window motor switch"? If so, any ideas of alternative options?

http://www.a1electric.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=AEOS&Product_Code=530T
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Rick

'85 380 SL (sold)
'85 Carrera Flatnose
'71 280 SL Signal Red/Cognac
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  #2  
Old 07-10-2003, 08:50 PM
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Join Date: Dec 2002
Location: Grand Rapids, MI
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Bergwerks, the same people who make the first-gear-start module, have a module that does this for 107s. Check out http://bergwerks.com/1_touch_win.jsp.

[No financial interest, etc.]
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Craig Bethune

'97 SL500, 40th anniversary edition

'04 Olds Bravada (SWMBO's)
'06 Lexus ES330
'89 560SL (sold)


SL--Anything else is just a Mercedes.
(Kudos to whoever said it first)
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  #3  
Old 07-11-2003, 11:41 AM
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Join Date: Mar 2003
Location: Convent Station, NJ
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Craig,

Thanks for the excellent link.

Apparently the module I originally mentioned will not work with most Mercedes.

I was told that on most domestic cars when the power window switch is hit that the current to the window motor is supplied. A permanent ground is in place in this type of circuit.

With the Mercedes and some other Euro cars the switch completes the ground circuit for the motor.
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'85 380 SL (sold)
'85 Carrera Flatnose
'71 280 SL Signal Red/Cognac
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