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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 893 (Seat Heating System & Seat Cooling System) >> Diagnostic Information and Procedures >> Heated Seat Inoperative >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the heated seat switch connector at the door module.
  2. Connect a fused jumper wire from the low reference circuit terminal 4 to ground.
  3. Verify that a test lamp does not illuminate when connected from battery voltage to the switch signal circuit terminals 6 and 7.
    • If the test lamp illuminates while the switches are in an inactive state, replace the heated seat switch.
  4. Verify that a test lamp illuminates when connected from battery voltage to the switch signal circuit terminals 6 and 7 while pressing the heated seat switches.
    • If the test lamp does not illuminate while the switches are in an active state, replace the heated seat switch.
  5. Verify that the heated seat switch indicators illuminate with a test lamp connected from battery voltage to the indicator control circuit terminals 1, 2, 9, 10, and 11.
    • If the indicators do not illuminate replace the heated seat switch.
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