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Home >> GMC >> 1999 >> Forward Control 7.4 B >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat System >> Description & Operation

Description & Operation

A 6-way power seat is used on driver's seat (all models) and passenger seat (some models). System consists of 3 reversible motors attached to a seat drive rail. Each motor contains a self-resetting circuit breaker. Power seat switch is located on front of seat. Drive cables connect motor to gearnuts, which turn jack screws and adjusters at each side of seat.