Bully Dog - 42214 - Unlock Cable for GT Diesel Tuner - 2013+ Dodge Cummins CUMMINS ACCESS: Engineered to unlock your 2013+ Cummins with Bully Dog's lineup of compatible Tuners EASY INSTALLATION: Plugs inline during connection & tuning process. COMPATIBILITY: Compatible with Bully Dog GT Diesel, BDX, GTX, and GTX Watchdog Tuners and Monitors. REUSABLE: Re-use on multiple cummins applications for maximum value. DURABLE DESIGN: Quality electronic cable that will last through your tuning needs."