Blazer k10 electric problem

I have a problem with the electronics on my Blazer. Park lights are ok, but with headlights turned on, both hi-beam and the left direction lamp (canstantly) is being turned on. And turning them off is impossible, except turning off headlight. But that is not an option. I have tried everything. Both headlights i have taken off. Cleaned with isopropanol. Checked earth.
and the visual wiring.

What year ?
If it has a tilt steering wheel, change it's position and retry.