<h1>1996 GMC Suburban – Keyless Entry Remote Programming Guide</h1> <p><font size="3">This process enables you to program your remote(s) using the onboard diagnostics port under the dash. You will need a basic jumper wire and all remotes present for the procedure. What You’ll Need A jumper wire (preferably fused for safety) Your keyless remote(s) Access to the OBDII diagnostic port beneath the driver’s side dashboard </font></p> <p><font size="3"><b>Programming Procedure</b> </font></p> <ul> <li><font size="3">Step 1: Locate the OBDII Data Link Connector (DLC). You'll find this rectangular port under the driver’s side of the dashboard. Although the connector isn’t labeled, it has two rows and is wider at the top. Refer to a diagram to identify pin 8 (top row, far left) and pin 4 (bottom row, third from left). </font></li> <li><font size="3">Step 2: Insert a jumper wire between pin 8 and pin 4. Leave the wire in place during the entire process. If done correctly, within a few seconds, the door locks will cycle (lock and unlock) to indicate the vehicle has entered remote programming mode. </font></li> <li><font size="3">Step 3: Take your first remote and press and hold both the LOCK and UNLOCK buttons at the same time. Keep holding for approximately 15 seconds, until the doors lock and unlock again. This confirms the remote has been successfully programmed. </font></li> <li><font size="3">Step 4: If you have more remotes to program, repeat Step 3 within one minute for each additional remote. </font></li> <li><font size="3">Step 5: Once all remotes are programmed, remove the jumper wire from the diagnostic port to exit programming mode. </font></li> <li><font size="3">Final Step: Test All Remotes Ensure that each remote successfully locks and unlocks the doors before finishing.</font></li> </ul>
