Reply To: 2008 GV125C headlight/running issue Forums 🚥 PiT STOP 🔧 Hyosung Technical Help 2008 GV125C headlight/running issue Reply To: 2008 GV125C headlight/running issue Jun 16, 2018 at 2:43 PM #1283 BrentMember Topics: 1Replies: 1 Battery voltage is fine and have replaced regulator.