Hook up the linear actuator towards the 4-pin connector by twisting the appropriate uncovered wires alongside one another and masking it up with electrical tape. Normally the wires over the actuator and connector come in blue and brown hues and they may be linked accordingly. The valve bonnet seats at https://gunnerszbc3.p2blogs.com/17166613/the-5-second-trick-for-pneumatic-actuator-ball-valve