With Tachometer

Engine Coolant Temperature Gauge Inspection:

Measure resistance between terminals with circuit tester.
Standard value:
A - B 82.8 - 101.2 Ohms
A - C 71.3 - 78.8 Ohms
B - C 150.3 - 183.7 Ohms

CAUTION: When inserting the testing probe into the power supply terminal, be careful not to touch the printed beard.