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| Illustration 1 | g00496856 |
Engine Coolant Temperature Sender | |
The engine coolant temperature sender is used to operate the water temperature gauge on the face of the front panel. The sender uses variable resistance. The resistance of the sender is proportional to the temperature of the coolant. As temperature increases, the resistance of the sender decreases. The increasing or decreasing resistance controls the flow of the electrical current in the gauge. The value that is showing on the gauge reflects the amount of current flowing in the circuit. The sender and the gauge are matched to work together as a unit.
The engine coolant temperature sensor is called S2 on the electrical diagrams. On the engine, the sender is mounted in the water jacket usually near the front of the engine. The exact location depends on the engine model.
The specifications for the 6N-5926 Temperature Sender are listed below.
- 5806 to 7624 ohms at 54.4 °C (130 °F)
- 524 to 586 ohms at 115.6 °C (240 °F)