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Home >> Buick >> 1975 >> Skyhawk S, Standard Trans >> Repair and Diagnosis >> Electrical >> Body Electrical >> Windshield Wipers - Modified Pulse System >> Operation >> Pulse Relay
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Pulse Relay

This relay provides battery voltage to motor windings. When pulse relay switch contacts are closed by either the dash switch or timing circuit, a ground is provided for the pulse relay coil, completing battery voltage circuit to motor windings.