Connect the linear actuator to the four-pin connector by twisting the best exposed wires with each other and covering it up with electrical tape. Usually the wires to the actuator and connector come in blue and brown shades and they can be related appropriately. Rotary Actuators are available two types, https://jaredwwvtq.bloggerbags.com/19324271/the-best-side-of-electric-actuator