The surfaces cleaned up nicely. Compare the latest photos (5/6/17) with the originals, such as the photo at the start of this thread. Click image for larger view.
I have not yet inspected the cards but it appears the wiring is correct, or close to correct. Click image for larger view.
I ran a quick power test and naturally the fuse blew almost immediately. Next I will get some help to move this into the basement for a tear down. I need to check the electronics, caps, look for dead fuses, burnt-out parts, etc.