... signal set by DIP5DIP6set the frequencyjumper wire connect to the open end,PIN16 connect to the NO of relay 1. Jumper ... wire connect to the close end, PIN16 connect to the NC of relay 1.4. ... 16 pins are signal output., when the jumper wire in open ,and the vehicle entre into loops ,the two pins ... the loop. When the jumper wire connect to close end, the 15,16 pins not pull in when the ...