I'm trying to start with some basics here. I know you said you had stuff wired up correctly, but I'm just curious about a couple things I just thought of while driving around at work. Do you have the smaller sized brain box with this older Vision? The older Vision I have has a smaller sized brain box than the "newer" brain boxes and it uses old computer style plugs that are held on with two screws. (The main cord from the light bar circuit board to the brain box uses the computer style connectors -- I'll attach a picture similar of what I'm talking about.) Then the only phone type cord on my older Vision goes from the brain box to the controller. When I find my stuff at home, I'll take some pictures of the smaller sized brain box and controllers I have. The picture attached here is similar computer style connector I'm talking about, but not exact -- just an example. Hopefully we can help you figure this out! (I'd like to learn some about the older Visions, too!)