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Heated Seat Operation

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Ignition voltage is supplied the heated seat switches. When a heated seat switch is turned on, voltage is supplied through the heated seat switch signal circuits to the heated seat relay module terminals B and C.

Battery positive voltage is supplied the heated seat relay modules. When the heated seat switch is turned on and the resistance through the heated seat thermistor is within acceptable limits, the relay module closes the battery positive supply circuit to the seat heater element supply circuit.

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