【EASY CONNECTION】This OBD1 to OBD2 adapter allows easy connection between older 3pin Honda OBD1 systems and newer 16pin OBD2 code readers and scan tools. 【UNIVERSAL COMPATIBILITY】This obd2 to obd1 adapter cable compatible with all Honda vehicles from 1990-2005 equipped with 3pin OBD1 ports as well as all OBD2 compliant vehicles and scan tools.