How do you stop a neighbor across from your home who leaves his truck running for Hours on end with high beams directly on your home from across the street and amp neighbor does not talk to you?

You can try talking to local authorities or law enforcement to address the disturbance caused by your neighbor's behavior. They may be able to investigate the situation and intervene if necessary. Additionally, installing curtains or blinds to block out the light from the high beams may help mitigate the impact on your home.