The 1999 Buick Century Glove Compartment Manual on the inside of the last page shows:
Crankcase (Engine Oil with filter change) 3100 Engine
4.5 quarts (4.3L)
Where are the relay switches on a 1999 Buick Century for the headlights
how do I remove the sunvisors off a 1999 Buick Century
right next to the blower motor I'm don't know about the 2000 model, but it is directly behind the blower motor of the 1999 Century.
how to replace window toggle switch 1999 buick century
i have a 1998 buick century and my blower motor is under the passenger side front wall inside.I found out that the blower motor resister was the problem.if it works on high speed only,replace the resistor first.it's cheaper but harder to get at.
Check blower motor fuse Check to see if compressor is working
I believe that it is under the dash on the pasenger side up towards the fan motor
By the evaporator case. Under the dash, behind a kick panel that is below the glove compartment.
OBVIOUSLY, a cracked or broken wire in the wiring harness is your problem.