Reply To: Empty sockets – 2015 hyosung gt650r Mar 3, 2025 at 8:06 AM #19040 Neo👤 Member Topics: 2Replies: 11Country: SwitzerlandBike Model: GD250N If the bike is fuel injected, I’m pretty sure those are the dealer plugs. They’re used to read and clear diagnostic error codes. Is it one 4 pin and one 2 pin connector?