ok i swaped from efi to carb, i just got my new distributor form bronco graveyard and now i need to know what wire goes to the ingition and tach, i looked at the wire diagram in a manual, it looks like they could be pin 56, 16, or 36 on my eec plug that goes throu the fire wall. does anybody know which wire goes to what? and would the other wire be a ground?