1997 GMC Suburban Owner's Manual - Page 323

3. Pull the socket out of the lamp assembly. Sidemarker Lamps with Sealed Beam and Composite Headlamps 4. Push i n gently on the bulb, turn it to the left and remove it from the socket. 5 . Put the new bulb into the socket, gently press in on the bulb and turn it to the right until it is tight. 2. Reach through the opening and turn the sidemarker bulb socket to the left and remove it. 6. Put the socket back into the lamp assembly and turn it to the right until it locks. 7 . Put the parkinghrn signal lamp assembly back into the vehicle and tighten the screws. 6-41