[chirp_users] Can't Program UV-3R+

I'm having a problem programming the Baofeng UV-3R+. This is first time use, first attempt with new radio. I cannot download from the radio.

All I get is "Radio did not ACK first command."

I use this same programming cable with my UV-5R, and my Feidaxin radios too, without any problem. But I cannot get it to work with the UV-3R+

Same thing is happening when I use the Baofeng programming software. Can't find radio.

Any ideas? And yes, I already trimmed the connecter it in case that was the problem. Apparently not.

Richard