WHAT IS THIS,, IT IS THE RECTIFIER, SHOULD BE CONNECTED TO WIRES FROM STATOR UNDER FLYWHEEL, CHECK FOR 2 WIRES COMING DOWN FROM UNDER FLYWHEEL, THIS WOULD BE THE CONNECTION POINT FOR THOSE 2 WIRES, THE 2 WIRES YOU REFERENCE FROM THE TRIGGER, WHICH MEANS THE COME OUT THE SIDE OF DISTRIBUTOR, WOULD NORMAL GO TO A CONTROL BOX, THE HOT FROM THE MAIN SOCKET, I WOULD GUESS GOES TO THAT CONTROL BOX THAT APPEARS TO BE MISSING