HEAD 9J0511 - Caterpillar

Illustration 1 g01412865
If low impedance test equipment is used to test this switch, damage to the switch could result. Do not use a circuit tester light to test this switch. Do not use an analog multimeter to test this switch. Test only with a digital multimeter.
(1) Torque for sensor ... 22 3 N m (16 2 lb ft)Operating temperature ... −40 to 125 °C (−40 to 257 °F)
Table 1
Wiring Table    
Pin     Circuit     Color    
A     Supply voltage     Brown    
B     Ground     White    
C     Alarm     Green    If fluid is present, the voltage between pin (B) and pin (C) should be 0.00 0.25 V.If fluid is not present, the voltage between pin (B) and pin (C) should be 5.00 0.5 V.