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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> Front Heated Seat Malfunction >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

With the engine ON, ignition voltage is applied to the driver and passenger seat heating switches through 15 A fuse located in the instrument panel fuse block. Ground is supplied to both the driver and passenger the heated seat switches through the switch ground circuit and the ground connection. This ground circuit is used only for the purpose of illuminating heated seat ON indicator. When a heated seat switch is pressed, ignition voltage is applied through the switch contacts and the control circuit activating the seat heating elements.

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