Temperature Sending Unit

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Disconnect Yellow/Green wire from coolant temperature sending unit. Sending unit is threaded into cylinder head. With engine cold, measure resistance between sending unit terminal and ground. With engine warm, repeat resistance measurement. Resistance must be as specified in COOLANT TEMPERATURE SENDING UNIT RESISTANCE table.

COOLANT TEMPERATURE SENDING UNIT RESISTANCE

Temperature °F (°C)	Ohms
133 (56)	142
185-212 (85-100)	32-49