Quote:
Originally Posted by BillGrissom
Ran across this in a google search, so adding info. Yes, "old 2017 post!" (beat some gomer to that punch so get-a-life). An earlier post in 2007 had incorrect info claiming the window switches were directly powered from the key switch. Not true at least in my 1985 300D.
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Also incorrect according to the two pages of schematics for the power windows in the FSM for the 300 D/CD/TD for 1983 - 1985.
Quote:
Originally Posted by BillGrissom
My Haynes manual has a schematic for 1984, which shows 2 relays in the power source for the window switches, with one enabling the other thru the door jamb switch, though asterisked as "optional" for all 3. I don't have the FSM. Perhaps the door switch is a disable for certain models which might have the glass or weatherstripping damaged if actuated when the door is open (2 door coupe or convertible?). If anyone knows, chime in.
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Studying the aforementioned two pages, I see only one relay and as you described. And no problem, as you said, jumpering terminal 30 to 87 because terminal 87a is connected to nothing.
Nice work opening up the relay to regain continuity between 30 and 87. And yes, that relay is homed in that tight space that is the area behind the instrument cluster, LOL.