My '83 300SD sunroof is feeling uncooperative. It makes a single tiny click when the switch is depressed in either direction, and will not move. However, it opens and closes just fine with 12V manualy applied to the connector pins nearest the motor. I have cleaned the sunroof dash switch contacts well. Does anyone have a schematic for this circuit? Where is the relay located? I've seen some reference to it being in the main fuse/relay block under the hood, but my relay chart is missing from the block.

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'83 300SD powered by B100

Bump. Any thoughts?

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'83 300SD powered by B100

this may sound odd but check the screw in the bottom of the fusebox. I had the exact same thing happen on my old one, damn near drove me crazy until i happened to come accross the problem in the midst of running new wiring. Simply tightened down the screw and viola. Good luck

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83 300SD.......sold
96 integra SE....sold
99 a4 quattro....sold
2001 IS300.......sold
2002 330i.........current.
2004 highlander limited....current.