How to wire in a electric ball valve

[seerclwanwindows]

I have a two wire ball valve that positive power opens and to close it uses reverse polarity please help me with the wiring of this

[william]

Please check below, it might help.

Help needed Wiring 202u Diagram for 12v Lift motor with a reversing solenoid

I am wanting to use this 202U to control a 12v motor on a boat lift , it will be controlling a reversible winch solenoid , I will need Button a to spin the motor forward and button B to spin it in reverse .