Talk to your State's child support agency. (FYI, revoking one's license does not generate support payments.)
A deadbeat parent can have a terrible effect on a child's life forcing that child to live in poverty rather that have the support of both parents. In the United States, failure to pay child support can result in incarceration. If a person has significant arrearages, their license can be suspended. In each state there are agencies, known as "Title IV-D" agencies, which are required by Federal law to provide child support enforcement services to anyone who requests such services. To locate your local child support enforcement agency, see the link provided below for California. You need to contact the child support agency in your county, open a case file and ask about a license suspension. The threat of a suspension of license may motivate a parent who isn't paying their share.