Hook up the linear actuator towards the 4-pin connector by twisting the right uncovered wires jointly and covering it up with electrical tape. Typically the wires to the actuator and connector can be found in blue and brown hues and they may be related appropriately. That is the utmost pressure https://juliustzceg.jts-blog.com/17051281/pneumatic-actuator-ball-valve-things-to-know-before-you-buy