Link CAN to Serial (DB9 Female connector) Tuning Cable. Used to connect ECU to a computer with a serial interface (DB9 Male). A USB tuning cable is also available. Compatible with: Link G4X Storm Link G4X and G4+ Fury Link G4X and G4+ Xtreme Link G4+ Thunder Link G4+ Storm Black Link G4+ and G4X Plugin ECUs Any older Link ECU utilising the Link 6 Pin CAN connector