I am going off memory here, it was about 3 years ago that I had that off. The main thing I remember is that with all the cables, including the new coax connection I installed, the wedge-shaped cover/adapter (Braund product with the 2 prong TV connector and 12v
outlet) was hard to get back in place. Lots of stiff cables to get in place and then install the screws. Long story short, I'm not taking it off to check.
If I remember correctly (Notice qualifier
), the Blue wires you describe are involved in the connection from the Skyliner to the radio, eliminating the need for a separate radio antenna. The Trade Wind has a seperate radio antenna mounted on the front on the street side. The '83 Excella uses the Skyliner, and works well.
The Yellow and White wires sound right for 12 volts. Do they go to the 12 volt
(cigarette lighter style) outlet? I have yellow and white wires to the two ThinLites in the bedroom. I just replaced a ballast last weekend. I can also see the wires in the streetside bedroom closed by cracking open the wire wrap.
On the other hand, the light above the galley sink is connected with yellow and black. The light above the dinette, just across from the sink, is connected with red and white.
Moral of the story, check those wires with your multimeter. If you don't have one, Go Out and Get One Right Now! Don't do anything else first.
You'll use it all the time. You don't have to spent a couple of hundred dollars or more on a Fluke brand. Thirty dollars more or less will get you a very nice Craftsman or equivalent.
Birmingham sounds liks a nice trip. Enjoy!