There are 4 wires, labeled #1 White/ #2 Blk/ #3 Blue/ #4 Brown. This is a 24v motor that mounts on the backside of the stove. The damper is in a 3" pipe and the motor hangs in a bracket underneath. The damper is controlled by a thermostat, but nothing more is known. Just happened to find the right motor, but all wiring is gone.