【Professional Accessory】Our OBD1 connector is a male-to-female extension cable, specially designed for connecting scanners to vehicles. It is a practical tool for general automotive applications, but it is only a cable and not a scanner or diagnostic tool. 【Upgraded Materials】This OBD1 to OBD2 adapter is made of high-quality metal and premium PVC, ensuring durability and reliability. Its precision injection molding makes it less prone to breakage. 【High Quality】This OBD2 to OBD1 adapter for GM combines flexibility and durability. The cable is easy to handle and use, and multiple cables can be connected in series to extend the transmission range. It is manufactured according to standardized specifications for long-lasting use. 【Easy Installation】Our OBD1 to OBD2 adapter connector is easy to use: just plug it in and it's ready to go; no drivers required. Simply connect the vehicle's 12-pin OBD1 connector to your existing 16-pin OBD2 tool. Ideal for connecting scanners to common automotive applications. [Reduced Wear and Tear] Our 12-pin to 16-pin OBD2 adapter is fully compatible with diagnostic software, ensuring stable and interference-free transmission. By using it as an extension cable, it reduces wear and tear on the OBD connector from frequent plugging and unplugging, protecting your vehicle's OBDII connector.