There is a faulty ground wire in one of your tail lights or front parking/clearance lights.
a bad multi function switch or the wrong bulbs.gmjim
Caprise classic has no headlights
The headlights are a separate circuit from the others. Check the bulbs, headlight switch, Hi/Low beam switch and depending what year you have check the fuses.
usually the headlights have a fusible link near the battery but check for power to the highbeam switch and headlight switch first.
You need to periodically replace the headlights on your Chevy truck when the headlights start getting dim. You can purchase replacement headlights from retailers such as Parts Source.
When you turn on the headlights of any car it causes a load (or horsepower drag) on the engine. Your car has an idle problem and the load on the alternator simply exacerbates it.
Turn signal flasher
There are screws
headlights
There is no fuse. Headlights work on a circuit breaker.
full instructions as to how to install cobalt halo projector headlights.
The headlights do not have a fuse, they have a circuit breaker that is built into the headlight switch.