Quote:
Originally Posted by gmog220d
One switch is for the dome light. The other must be for the warning buzzer that sounds when you open the door without removing the key from the ign. switch, and perhaps also when you leave the lights on.
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I'm not familiar with the wiring in THAT early a 240D, but in the later cars, at least, a single contact switch handles the lights/buzzer.
If I had to guess... this is a 38 year old car, and I'd bet that the second switch was for an alarm system that may or may not still be (at least partially) installed.