Hello left handle will try to lower bucket-but is allready down will not raise no engine sound differance.Have a manuel doesnt till how it works?Have a 5 volt referance in on 3 wire connector but cant see it go to other wires when handle moved.When changing connectors after controller raise and lower work with other handle.Please till me how this system works? P.S.Getting to not like AHC Thanks in advance.Frank