I am trying to make a new data cable. All the references I have found include parts to dead links. I am trying to connect to a 1995 obd1 pcm with flashhack and eehack. Will this circuit board work and do I just need to connect the TX and rx terminals together and run that wire to the pcm along with a ground wire connected to that terminal?
https://www.amazon.com/dp/B07VD4SDGZ..._WfZTEb2DVDSS7
If it would work what should the power jumper be set to, 3.3v or 5v?
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