Turn Signal Issue

[cgster]

Ready to get my truck inspected but seems to be an issue everytime im ready to get it inspected. Anyway, my electrical skills stink so maybe someone can lead me in the right direction.
My turn signals (park lights) in the front: Both side markers blink correctly, the left turn signal light (park light) does not blink or light up when turning on turn signal switch, when I turn on the right front blinker the left and right (park lights) both blink. Does this sound like a ground issue? Im pretty 75% sure both worked not to long ago.

Thanks!