This conversion harness offers a pain free alternative for owners of 1996-2001 Honda/Acura vehicles hindered by the factory OBDII ECU. This conversion harness, along with an OBDI ECU, will convert the vehicle to OBDI. Simply plug one side of the harness into the OBDI ECU, and the other side to the factory engine harness. No cutting or soldering is needed. For optimum results, use with Skunk2 / Hondata ECU’s.