🔧 Connect with Confidence! Tested 100% for quality assurance, ensuring reliability on the road. Manufactured under strict safety standards for peace of mind. Weighs only 8.1 ounces, making it easy to carry and store. Easily connect your OBDII scanner to heavy-duty trucks, buses, and trailers. Supports both J1708 and J1939 protocols for older and newer models. 12V Power Supply OBDII female to 6+9Pin Heavy Duty Compatibility The Truck OBD 6Pin 9Pin J1708 J1939 Protocol Diagnostic Adapter Cable is a high-quality diagnostic tool designed for heavy-duty trucks, buses, and trailers. This versatile cable allows seamless connection between your OBDII scanner and vehicles equipped with J1708 and J1939 protocols, ensuring compatibility with a wide range of models. With a lightweight design and DOT certification, this adapter is both portable and safe, making it an essential tool for any professional in the transportation industry.