New ABS harness, or "pigtail" for wheels without brake pad wear sensors.
For A4 chassis TDIs, brake pad wear sensors are only installed on the drivers-side wheel or model year 2000 and up, therefore this pigtail harness fits all passenger-side (right side) wheel ABS sensors. Also fits both front wheel ABS sensors for 1998-1999 New Beetles and 1999.5 Jetta & Golf TDI.