At the dizzy end of the 16v head there is one brass colored connection that faces toward the firewall. On that end/corner of the head. you can see its profile when standing at one of the front wheels and looking in Can anyone tell me what that is and/or the color code of the wire for it? Thanks Ken 1979 Scirocco "McFly" 16v conversion - Engine in, now the hard part Electrical : ( VORTEX: "Indiana Red"