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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1343 (Power Seat System) >> Diagnostic Information and Procedures >> Power Seat Inoperative (Without Memory A45) >> Component Testing >> Seat Adjuster Switch Test

Seat Adjuster Switch Test

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the seat adjuster switch.
  2. Test for infinite resistance between the B+ terminal and each control terminal with the switch in the open position.
    • If less than the specified value, replace the seat adjuster switch.
  3. Test for less than 1 Ω between the B+ terminal and each control terminal with the appropriate switch in the closed position.
    • If greater than the specified range, replace the seat adjuster switch.
  4. Test for less than 1 Ω between the ground terminal and each control terminal with the switch in the open position.
    • If greater than the specified range, replace the seat adjuster switch.
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