& welcome to the board.
It's a pain to remove the 2 screws on the motor but they must be removed to get the cable out of the motor end. Pulling it out with brute force will only guarantee that it might break something or come out again by itself. A 1/4" ratchet with a short extension works. I forget how the cable is attached at the other end. Here's some more details:
http://www.nmia.com/~dgnrg/page_33.htm