1998 GMC Suburban Owner's Manual - Page 332

Front Parking/Turn SignalLamps with Composite Headlamps 1. Remove the four screws and take out the parkingkurn signal lamp assembly. 3. Pull the socket out of the lamp assembly. 4. Push i n gently on the bulb, turn it to the left and remove it from the socket. 2. Squeeze the tab on the side of the lamp socket while turning the socket to the left. 5. Put the new bulb into the socket, gently press i n on the bulb and turn it to the right until it is tight. 6. Put the socket back into the lamp assembly and turn it t o the right until it locks. 7. Put the parking/turn signal lamp assembly back into the vehicle and tighten the four screws. 6-40