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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.

Memory Switch

  1. Disconnect the (C4) harness connector at driver door switch.
  2. Test for infinite resistance between the memory switch signal circuit terminal 5 and the switch supply voltage circuit terminal 14.
    • If not infinite, replace the memory switch.
  3. Test the resistance between terminal 14 and terminal 5 while pressing the memory 1, memory 2, and EXIT buttons. Compare the resistance readings to the values in the Memory Switch Values table below.
    • If the resistance is not within the specified range, replace the memory switch.
Memory Switch Values

Switch Position Resistance
Idle Infinite
Memory 1 2.03K-2.49K ohms
Memory 2 3.83K-4.69K ohms
Exit 9.32K-10.18K ohms
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