GMC 1999 Suburban, Owner'S Manual, Page: 318 / 424

yellow blue
6-38
Front Parking/Turn Signal Lamps with
Sealed Beam Headlamps
1. Remove the two screws
at the inside edge of
the parking/turn signal
lamp assembly.
2. Remove the lamp assembly by swinging it out from
the inside edge and sliding it out at the outside edge.
3. Squeeze the tab on the
side of the lamp socket
while turning the socket
counterclockwise.
4. Pull the socket out of the lamp assembly.
5. Push in gently on the bulb, turn it counterclockwise
and remove it from the socket.
6. Put the new bulb into the socket, gently press in on
the bulb and turn it clockwise until it is tight.
7. Put the socket back into the lamp assembly and turn
it clockwise until it locks.
8. Put the parking/turn signal lamp assembly back into
the vehicle and tighten the screws.