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PAL LED Indicator Malfunction

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the PAL harness connector.
  2. Ignition ON, verify that a test lamp illuminates between the PAL B+ circuit terminal and ground.
    • If the test lamp does not illuminate, test the B+ circuit for an open/high resistance.
  3. Verify that a test lamp illuminates at both PAL ground circuit terminals and B+.
    • If the test lamp does not illuminate, test the ground circuits for an open/high resistance.
  4. If all circuits test normal, replace the PAL.
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