One could be connected to the car OBD port and the other has the RS232 male pin. Now what i planned was ,i connected the RS232 male pin to the one side of the female to female RS232 adapter. The other ...

BUELEC DB9 Female and Male In a Breakout Board, Easy Transfer DB9 9PIN Signal to Terminal Breakout Board BUELEC DB9Female/MaleDB9 Compatible with RS232/RS485/CAN/RS422 Serial Cable with DB9 Female ...