Reply To: No spark gt125r 06 Apr 6, 2025 at 8:46 PM #19234 ♠️ M77👑 Admin Topics: 40Replies: 3,033Country: UKBike Model: GT the orange wire is shared with the ignition barrel , right switch gear , and dashboard – So if these go out, it cuts power off to the CDI, and CDI cuts the sparks off.