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Home >> GMC >> 1997 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System - Remote >> Programming Procedure >> Transmitter Programming

Transmitter Programming

  1. Ground terminal No. 8 (Black/White wire) of Data Link Connector (DLC) located under lower left side of instrument panel. Receiver will respond by locking and unlocking all doors within 2 seconds. Press and hold LOCK and UNLOCK buttons simultaneously on first transmitter to be programmed until locks cycle.
  2. Press and hold LOCK and UNLOCK buttons simultaneously on second transmitter to be programmed (if equipped). Receiver will again respond by locking/unlocking all doors and activating liftgate release (if equipped). Remove ground from DLC terminal No. 8. Transmitter operation can be verified by locking and unlocking doors and automatically activating liftgate release.
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