Glow plug conector with wire harness for the "smart" glow plugs used on the 2.0L Common-Rail Clean Diesel TDI. The 2.0L TDI motor was installed 2009+ Jetta TDI, 2010+ Golf TDI, all Sportwagen TDI as well as 2012+ Passat TDI and Beetle TDI.
This connector connects both the power for the plug itself we as well as the cylinder pressure sensor on each individual plug.