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Home >> GMC >> 1996 >> Forward Control 7.4 J >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System >> Testing >> Left Front Power Door Lock SW Does Not Lock Or Unlock Doors

Left Front Power Door Lock SW Does Not Lock Or Unlock Doors

  1. Disconnect left front power door lock switch connector. Connect test light between switch connector terminal "E" (Orange wire) and ground.
  2. If test light comes on, replace left front power door lock switch. If test light does not come on, repair open circuit in Orange wire.