Remove access panel in trunk area--Wing nuts should release taillight assembly and bulbs twist out
How do you replace the front turn signal bulb located on a 2001 Buick Century?"
A 2004 Buick does not have a speedometer cable. The speedometer signal comes from electronic sensors.
replace heater core on 92 buick century
Replace ignition switch for 1993 buick century?
how to replace window toggle switch 1999 buick century
how to replace the tether gas cap on a 1998 Buick Century?
Remove headlight assembly to access bulb/socket.
Need more information, is it a front or rear, side marker even?
1999 Buick Century Turn Signal Bulb Numbers can be looked up with the link below in Sources and Related Links.
More then likely it needs to be replaced, if its the actual signal inside the car, turn it on check outside the car which one it is and replace!!
No
Open the hood. There is a wire loop behind the side light. Pull on loop away from light. This releases a hooked spring. Plastic light cover will fall loose and give you access to bulbs.