Extra/unused wires in doors

[mark@xxxx]

Does anyone know if there are extra/unused wires in the doors? I have 
seen several in there that don't look like they're being used. Can 
anyone identify them?:

1) A 2-conductor connector next to the power window connector. It has 
2 green/white wires in one side, and a black wire in the other.

2) A single yellow/white wire in a female butt-connector next to the 
window motor

3) Two yellow/white wires going into a single female butt-connector 
in the middle(height)-rear section of the door.

I am installing a door-launcher this weekend and would be REALLY 
happy if I didn't have to run more wires.

Any help is always much appreciated!

Thanks,
Mark
#10901