This would be my first time...so bear with me. 1987 260E, but should apply to any W124.

I got the panel off and all, found the connector. I saw that it contains a Green + Black connector that leads to the motor itself. Green == (+), Black == (-), right?
So I got an 18V battery, found some speaker cable and put the wires on the + and - terminals respectively....but nothing happened.

Am I doing something wrong or is the motor dead? Any input from somebody who has done this before would be greatly appreciated.
The window does not work, so I want to start by checking the motor. I have done the fuse already.

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