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05-19-2018, 12:06 PM
Thread: ftdi to tune pcm
by GaryDoug1- Replies
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On the car OBD1 connector, ground goes to pin A....
On the car OBD1 connector, ground goes to pin A. TXD and RXD of the cable both go to pin M. You can find out which wire of the cable is TXD and which is RXD by opening the USB end case. Usually they...
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