I have an 88 buick century limited, need the location of turn signal relay. I have checked fuse, flasher, and switch, all are in great working condition, even the hazzard lights work, but no signals. I was told it is the turn signal relay and I can purchase the relay, but nobody can give me the location of the relay, I have looked but cannot find, any ideas.

SOURCE: where is the turn signal flasher located on 1995 Buick Century

You have to take the gaurd off underneath the steering wheel to exspose the wires, You should see the fuse there.

SOURCE: 1991 Le Baron Turn Signal Problem

A Clymer Guide or similar manual will show you the wiring schematic. Should be available online, or in your library.

SOURCE: turn signals not working --- 2001 Cherokee Limited

It happened to me, I had to replace the flasher lever for about $45 at the parts store and now my flashers work great. It was all corodded on the inside it also affects your brake lights.

SOURCE: 1995 Jeep Grand Cherokee Limited - flasher relay location

More than likely you have a bad ground. Under the rear of the vehicle, behind the rear bumper there will be a few wires running to a bolt in the frame (left side i think) Check that no wires are loose or boken. Also if you have a trailer wiring harness, check to see if it has not been damaged. Let me know if this helps :)

SOURCE: 1998 buick century only high beams and turn

The Buick Century is equipped with a multi-switch. This switch is an all in one switch that controls your cruise control, windshield wipers and turn signals in one switch. This switch also controls dimming and brightening of your headlights. The dimmer switch is simple to replace, and all you need is a phillips head screwdriver to complete the task.

1. Removing the Steering Column Shroud
   • Removing the dimmer switch starts at the steering column. To plan this task out, access the steering column by removing the screws holding the steering column shroud in place. This will expose the turn signal lever. Remove the lever by twisting it forward, and pulling it out of the switch.
     
   Removing the Dimmer Switch
   • The switch is held on by two screws and a wiring harness. The wiring harness can be removed by prying up on the locking tabs and pulling the connector out of the socket. The two screws can be removed with a phillips head screwdriver. The switch will slide out. To install a dimmer switch, be sure to repeat these steps in reverse order.