Seat Track: Description and Operation

PT Power Seat Track:

The power seat track incorporates a front and rear riser. These risers are not part of the power seat track and must be removed in order to service the power seat track assembly. One 12v motor is utilized in the power seat track. The motor is connected to a worm-drive gearbox that moves the seat adjuster up and down. The drivers front seat can be raised or lowered using the power seat switch, located on the outboard side of the seat cushion side shield.

The motor contains a self-resetting circuit breaker to protect it from overload. Consecutive or frequent resetting of the circuit breaker may cause damage to the motor or circuit breaker.

The power seat track cannot be repaired, and is serviced only as a complete assembly. If any component in this unit is inoperative or damaged, the entire power seat track assembly must be replaced.

One single armature permanent magnet reversible motor is coupled to a worm gear box assembly. It is located in between the seat tracks and upper supports. The one single gear motor assembly attaches to the seat tracks and provide the various seat movements.

The electrical circuit is protected by a 20 amp circuit breaker located in the junction block.

When a power seat switch is actuated, a battery feed and a ground path are applied through the switch contacts to the appropriate motor. The motor and drive operate to move the seat in the selected direction until the power seat switch is released, or until the travel limit of the power seat track adjuster is reached. When the power seat switch is moved in the opposite direction, the battery feed and ground path to the motor are reversed through the switch contacts. This causes the motor and drive to run in the opposite direction.