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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> Electrical >> Body Electrical >> Accessory Power Socket >> Diagnostic Information and Procedures >> Power Outlet Receptacle Inoperative >> Component Testing

Component Testing

Accessory Power Outlet

  1. Ignition OFF, remove the accessory power outlet.
  2. Test for greater than 1M ohm between terminal 6 and terminal 3.
    • If less than the specified range, replace the accessory power outlet.
  3. Test for less than 3 ohms between the following terminals:
    • The terminal 6 and the accessory hot terminal
    • The terminal 3 and the accessory neutral terminal
    • If greater than the specified range, replace the accessory power outlet.
  4. Test for infinite resistance between terminal 4 and terminal 1.
    • If not the specified value, replace the accessory power outlet.
  5. Connect an AC powered device to the accessory power outlet.
  6. Test for less than 3 ohms between terminal 4 and terminal 1.
    • If greater than the specified range, replace the accessory power outlet.
  7. Test for 2.9-3.1 volts, with the DMM set on the diode setting and the positive test lead to terminal 6 and the negative test lead to terminal 3.
    • If not within the specified range, replace the accessory power outlet.
  8. Test for 0.0-0.1 volts, with the DMM set on the diode setting and the positive test lead to terminal 3 and the negative test lead to terminal 6.
    • If greater than the specified range, replace the accessory power outlet.
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