Possible could be just the switch. Try and find one at the scrap yard and check it out.
The GMC dash tail and parking lights are on a different fuse from the brake lights. Check the fuses for a possible blown fuse.
Probably a blown fuse. What you need to find out is why the fuse blew.
Your parking lights may not be working due to a blown bulb or fuse. If you have checked both you may need to see a mechanic to make sure there is not any electrical problems.
Fuse for parking lights probably blown.
Blown fuse? Damaged buss board?
The headlights work on a totally different relay than the parking and fog lights. The headlight relay or headlight fuse is usually blown when only the parking and fog lights work.
blown fuse
Check to see if the parking/tailights are working Could be a bad fuse, or switch Could be an open in the dimmer rheostat
1- the light switch, or 2- the wiring on the plug to the light switch from the car, or 3- a blown fuse
If a Passat 04 TDI's indicator lights are not working, check the fuse. A blown fuse can cause the lights to stop working.
Im 99% sure you have a fuse blown, its the parking lamps fuse. a fuse may be blown
check for blown fuses