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1.Connect three 1.5 V dry cell batteries in a series.

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2.Connect the positive pole of the battery to front auto leveling sensor terminal C, and the negative pole to terminal A, then apply voltage of 4.5 V between terminals C and A.

3.Connect the tester as shown in the figure.

4.Measure the voltage while the link is moved up and down slowly.

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• If not as indicated in the table, replace the front auto leveling sensor.