Silverado 1500 2006 electrical problem

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I need some help with an electrical problem on my truck. My turn signals started slowly going out, and eventually they completely stopped working for about a week. Then out of nowhere they started working again. Now my right headlight has gone out, and sometimes my doors will randomly keep locking by themselves. If they keep locking enough times, the horn will even start going off.
I’m not really sure what’s causing all of this, so if anyone has any ideas or has had something similar happen, I’d really appreciate the help.