Powwow Highway

Powwow Highway is a 1989 comedydrama road movie based on the novel of the same name by David Seals. It features A Martinez, Gary Farmer, Joanelle Romero and Amanda Wyss. Wes Studi and Graham Greene, who were relatively unknown actors at the time, have small supporting roles.

Philbert Bono Farmer is a hulk of a man guided by sacred visions. He wants to find his medicine, tokens from the spirits. He trades some marijuana, booze, and a few bucks for his war pony a rusted out, beat up 1964 Buick Wildcat he names Protector.Meanwhile, Buddys estranged sister, Bonnie, is arrested in Santa Fe, New Mexico and Buddy is the only family member who can help her and her children, Jane and Sky Red Bow. ........

Source: Wikipedia