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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. Ignition OFF, disconnect the harness connector at the right steering wheel control switch.
  2. Test for infinite resistance between the ignition terminal 4 and the signal terminal 3 with the switch in the open position.
    • If less than the specified value, replace the switch.
  3. Test for less than 5400 ohms between the ignition terminal 4 and the signal terminal 3 with the switch in the closed position.
    • If greater than the specified value, replace the switch.
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