could be the alternator going bad or battery.
at least on a 79 fleetwood it is located in the light switch itself
it could be so many diffrent things google "error codes for a 1994 fleetwood brougham" it will send you to myweb.accesuss.com or .net..very usefull in tracking down the cause
yes
take to cadillac dealer
this one is easy.....put the car in the on position(not running) and within 5 sec tap the gass pedel to the floor 3 times. the light should blink when taken(doesnt always on mine though). that should reset it! 93 fleetwood brougham.......d-body
They are commonly referred to as filler panels.
reset battery no charge light after battery replacement.
blown fuse
There are several torx head screws around the rim of the lens. If it just one of the bulbs that needs changed and the screw heads are stripped, you can get to the bulbs by reaching under the tail fin and into the back of the light.
1989 Cadillac Fleetwood parking light bulb replacement: Purchase the correct replacement parking light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement parking light bulb information. Then consult your owner's manual for the replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
its called light filler it covers the wiring to the back tailights same like a bumper filler that fills the space on the front bumper
check to see if the ligt intensity is turned down on the headlight switch. Also check brake light fuse. Good luck