This is a common problem on regals .There are resistors on a circuit board behind the instrument cluster that are loose or burnt out. Getting to them is tricky , there was or is a video on YouTube describing the procedure , the resistors are about $1 at radio shack for a 5 pack. They must be soldered to the circuit board . I had to replace 7 resistors that were loose. The original resistors were very small and poorly soldered. My gear indicator lights and odometer numbers did not light .
there is no light bulb for the odometer. its a digital display. you have to replace the dash. used usally a 100. or so. had it happen to me. 2000 buick regal gs
Take old lights out. Put new lights in. Done. You have just changed the interior lights on a 97 Buick Regal!
Get a rock
It was the dimmer switch..
in the fuse box
quick fix on youtube.com with video
You have to get under the car and change it that way.
fuse relay wiring switch
Normally this would be wired into the Instrument Lights.
There are no lights. their just reflectors.
I have a 1992 regal and the flasher is under the glove-box behind a piece of black plastic,the switch is on the steering column,the lights are on the front and rear of the vehicle.
Buick Regal was created in 1973.