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Home >> GMC >> 1998 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System - Remote >> Programming Procedure >> Transmitter Programming
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Transmitter Programming

  1. Ground terminal No. 4 (Black) to terminal No. 8 (Black/White wire) at Data Link Connector (DLC) located under lower left side of instrument panel. Receiver will respond by locking and unlocking all doors and activating liftgate window release (if equipped) within 2 seconds. Depress and hold both LOCK and UNLOCK buttons of first transmitter to be reprogrammed until locks cycle (about 10 seconds).
  2. Press any button of second transmitter to be reprogrammed (if equipped). Control module will again respond by locking/unlocking all doors and activating liftgate window release (if equipped). Remove ground from DLC terminals. Transmitter operation can be verified by locking and unlocking doors and automatically activating liftgate window release.
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