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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1647 (Seat System) >> Diagnostic Information and Procedures >> DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, B1820, B1830, B1835, B1840, B1845, B1940 Or B1945: Seat Adjuster Switch Input Active For More Than 60 Seconds >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The seat adjuster switch is supplied a 12-volt reference circuit by the driver seat module. When a seat adjuster switch is pressed the signal circuit is closed to the 12-volt reference circuit. Closing the signal circuit to the 12-volt reference circuit pulls the signal circuit high indicating to the driver seat module the switch status is active.

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