Where is the speed and rpm wite for 2014+ mazda 3, 2.0L

[Edsckp]

Hi everyone, i am wondering how to get the speed signal and rpm wire ? I am going to install some electronic device which required this two signal. However i know most device now using obd2 port but my device can only support the wire connection way

Appreciate if anyone can help me on this

I had read through the service manual yet there are no harness diagram

Thank you