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Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Body & Frame >> Power Mirrors >> Description & Operation >> Operation
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Description & Operation: Operation

Each power mirror assembly contains 2 reversible motors: an up/down motor and a left/right motor. Mirror control switch reverses polarity of motor circuit to change direction of mirror movement. Each motor contains a self-resetting circuit breaker, which opens when mirror reaches its mechanical limit of travel.