Description 3 pin, for 2 speed fan. Radiator fan switch to suit all T3 models with single switch and 3 wires (i.e. not early 1.6D “CS” engines or single speed early WBX) 1st speed comes on at 87°C and goes off again at 76°C 2nd speed comes on at 93°C and that goes off at 82°C Also fits very early T4 models up to chassis number 70-P-250000
