New Yorker L6-225 3.7L VIN E 1-bbl (1982)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
Coolant Temperature Switch
Turn ignition Off, then connect suitable ohmmeter between center terminal of temperature switch and ground for coolant temperature switch or
between center terminal and ground terminal of charge temperature switch.
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With engine cold, continuity should be present with resistance less than 100 ohms. If not, replace switch. Charge temperature switch must be
cooler than 60°F in order to perform test properly.
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With engine hot, terminal reading should show no continuity. If continuity is present, replace coolant switch.
