Brown coolant temperature sensor with 4 terminals

ForGolf2&Jetta 2 from 08/89->:
- 1.6 Diesel 54hp and 60hp (JP, 1V)
-1.6 turboDiesel 70hp (JR)
- 1.6 turbo DieselIntercooler 80hp (RA, SB)

ForCorrado:
- 2.9 VR6 190hp (ABV)

For Golf 3 & Vento:
- 1.6 100hp (AKS)
- 1.9 Diesel 64hp (1Y)
-1.9 turbo Diesel 75hp (AAZ)
- 1.9 TDi 90hp and 110hp (1Z, AHU, ALE, AFN)
- 2.8 and 2.9 VR6 (AAA,ABV)

For Golf 4 & Bora until ->04/2001:
- 1.9 TDi 110hp (AHF)

For New Beetle until ->05/01:
- 1.9 TDi90hp (ALH)

For Passat3:
-1.6turbo-Diesel Intercooler 80hp (RA, SB) from 01/91->
- 2.8 and 2.9 VR6 Coolant temperature switch for air conditioning / ventilation
- Temperature: 112°C /119°C + 112°C / 108°C
- Pin: 4 (3 positions)
-Identification : brown
- Diameter: 20 mm
- Position : water connection