[cpa]

73ess, I'm working with an '82SC that has the same original controller so my information may not be 100% helpful to you. As Tom F2 says if you don't have a blower in the engine compartment then those connections will not be of any use. They are only to allow the controller to turn on the blower that is supplied power from the engine compartment fuse panel thru the controller and back to the blower. They are not the power source for the system. The Bentley manual '78 to '83 has a reasonably good diagnostic process to locate potential problems. Once you understand the operation you can test the components. The controller has a circuit board that has a high degree of potential failure. There are people on the board that can make repairs but you need to do the trouble shooting to see if it is the controller giving you problems. If you do a search for "Automatic heater control unit repaired - 70 cents!" you will find many posts that will help. It is a process. By the way you haven't said what your problem is? Is it not functioning at all or is it not controlling the temperature.