Located on the lower side of the radiator. OEM supplier switch.
| Audi | 100 | All | All |
| Audi | 200 | All | All |
| Audi | 90 | Quattro | 20v |
| Audi | B5 A4 | All | All |
| Audi | C4 A6 | All | All |
| Audi | C4 S4 | All | All |
| Volkswagen | Corrado | All | G60 |
| Volkswagen | Corrado | All | VR6 12v |
| Volkswagen | Golf I | All | 8v |
| Volkswagen | Golf II | All | 16v |
| Volkswagen | Golf II | All | 8v |
| Volkswagen | Jetta I | All | 8v |
| Volkswagen | Jetta II | All | 16v |
| Volkswagen | Jetta II | All | 8v |
| Volkswagen | Passat B3 | All | 16v |
| Volkswagen | Passat B3 | All | VR6 12v |
| Volkswagen | Passat B4 | All | 2.0 |
| Volkswagen | Passat B4 | All | VR6 12v |
| Volkswagen | Passat B5 | thru 2001 | 1.8T |
| Volkswagen | Passat B5 | thru 2001 | V6 30v |
