<h1>1997 GMC Savana – Remote Fob Programming via OBDII</h1> <p><font size="3"><b>System Type:</b> OBDII Port Programming </font></p> <p><font size="3"><b>Tools Required:</b> Jumper Wire </font></p> <p><font size="3"><b>Programming Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Locate the OBDII diagnostic port beneath the driver’s side dashboard. </font></li> <li><font size="3">Step 2: Identify terminal 8 (top row, third from the right) and terminal 4 (bottom row, second from the left). </font></li> <li><font size="3">Step 3: Use a jumper wire to connect terminals 8 and 4. Leave the wire in place throughout the procedure. </font></li> <li><font size="3">Step 4: Wait for the doors to lock and unlock — this confirms entry into programming mode. </font></li> <li><font size="3">Step 5: Press and hold the LOCK and UNLOCK buttons on the first remote for about 15 seconds, or until the locks cycle again. </font></li> <li><font size="3">Step 6: Repeat Step 5 within 60 seconds for each additional remote. </font></li> <li><font size="3">Step 7: Remove the jumper wire from the diagnostic port. </font></li> <li><font size="3">Step 8: Test all remotes to ensure they are functioning correctly.</font></li> </ul>