A test of starter amperage draw load using proper test equipment is possible. See a local shop near you to help.
Use this link to find some shops near you that can help with your concern:
www.repairpal.com/repair-shops
RepairPal Certified shops can diagnose and repair your 1999 Volkswagen Beetle. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.