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Home >> Buick >> 1996 >> Century Custom >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Power Door Lock System >> Testing >> Automatic Unlocking Feature Does Not Operate

Automatic Unlocking Feature Does Not Operate

  1. Disconnect auto door unlock module connector. Connect a test light between chassis ground and Orange wire terminal. If test light does not glow, repair open Orange wire between module and splice. If test light glows, connect test light between Orange and Black wire terminals.
  2. If test light does not glow, repair open Black wire. If test light glows, connect a 15-amp fused jumper wire between battery voltage and White wire terminal. If doors automatically unlock, repair open White wire. If doors do not automatically unlock, check for open Pink wire between UNLOCK fuse and module. If Pink wire is okay, replace module.