67 twin turbo dart

Matts440 said
Yep tried that many times, I have this cable and would try to unplug it and plug it back in which would help it work before. Exit out of the the program and go back in and everything, every time I ran a test port it wouldn't find my com3 I believe it is.

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The com port likely changes every time you disconndect/reconnect the cable since it unloads/re-loads the driver. Might be com3, might be com2 or something else. Try this D2XX driver and the Detect option in the setup and see if it works. USB & WiFi Support