The above item has 4 output terminals. V+ & V- are no problem, but the remaining 2 are marked V+S+ & V-S-. What is the correct method of utilizing these terminals? Should V+ be tied to V+S+, & V- be tied to V-S-? If not, from which terminals does one take the 12vdc/13A output? The Datasheet can be seen at http://www.dpc.com.my/product/cosel/k/k150_datasheet.pdf. Arthur Shulman