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Home >> GMC >> 1996 >> Forward Control 4.3 W >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System >> Testing >> Left Front Power Door Lock Switch Does Not Unlock Doors

Left Front Power Door Lock Switch Does Not Unlock Doors

  1. Disconnect left front power door lock switch connector. Connect self-powered test light between left front power door lock switch terminals "E" (Orange wire) and "D" (White wire). Press left front power door lock switch.
  2. If test light comes on, repair open circuit in White wire. If test light does not come on, replace left front power door lock switch.