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Originally Posted by Fuzzball
Ok, I searched and searched but never found anything to match this.
I cannot open my sunroof on my 84 300SD. It appears that I have no power at all when pressing the "Open".
If I crank it open manually, I can close it without a problem.
Any ideas why I can't get any juice on open???
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do you know whether the fault is in the switch, wiring, relay or motor? A KISS test is this: With door open, press sunroof switch to open while looking at dome light. If it dims slightly while you press the switch, the circuit is seeing a significant load and it's almost certainly the motor.