Decades ago I’d externally wired my EBD bridges to the big mounting plate after the feature lamp one had burned out a second time. I think what must have happened was the bridges had been replaced on top by the previous owner and I didn’t know that was wrong. Can the same bridge work whether soldered onto the top or bottom, I’m not sure. It was before you could find out everything on the internet in two seconds and so long ago my memory is foggy as to how it all transpired. But I recently put in a Rottendog board so now it’s only a memory anyway. 8D