COMPATIBILITY: Designed for SM2 PRO J2534 VCI systems, this diagnostic cable enables ECU read and write functionality through the DB25 bench connection LED INDICATORS: Features 3 LED lights for clear visual status monitoring and diagnostic feedback during operation BENCH TESTING: Specialized Boot/Bench V4 pinout cable allows for comprehensive ECU diagnostics and programming on the test bench DUAL-MODE OPERATION: Includes ON/OFF and AUTO modes with an integrated ignition switch for flexible testing configurations PROFESSIONAL DIAGNOSTICS: Complete wiring harness with multiple connectors enables thorough vehicle computer system analysis and programming