... Unlocking4. WiringOn the back of receiver board marks: K, G, and BK is normal open connectorG is Common connectorB is ... again the receiver relay is off, the same as B/C/D.Extend function:(When jumper is off position ... on 2 seconds, then goes off automatically, same of B/C/D.2) Non lock modelPress remote button A, ... A; the receiver relay is off, the same as B/C/D.3) Interlock modelPress remote button A, the ...