【Our advantage】We have all the connectors moulded fully . It's waterproof and safer . We made the cables in twisted wires ,and it's better for the signal transmission . We tested each cable twice and we have excellent quality control . | 【Waterproof and durability】All connectors are molded fully and strongly. Made of excellent ABS material for maximum durability. Flame-retardant safely and anti-interference . | 【Used for】It's used for truck freightliner GPS ELD tracker and other device . It has 1pcs green J1939 female connector & 1pcs green J1939 male connector & 1pcs OBD2 female connector . This cable turns the original 9pin port to 9pin port and obd2 port . It can be installed underdash neatly and safely . | 【Easy installation and underdash hiding】Remove the 9 Pin connector port in your freightliner from the mounting location, and connect it to the cable . Then install the female 9pin connecot of the cable to the mounting location instead . This cable can work with both green type-2 9pin port and type-1 gray 9pin port . | 【Quality Warranty】Each cable was tested twice during production. 1 year warranty and 180 days money back .