I have done some research on BT Dieselworks and my issue with no contact from them for 6 weeks is pretty common. The diesel forums and his Facebook account both have guys who try to contact him for sometimes months with nothing. So beware. I did get mine but I had to threaten him with a bad rep in the forums. Everybody says he does awesome work that nobody else does but his people skills are nonexistent and his customer service are nonexistent as well. Too bad, it’s an awesome product. He has some other unique products too. But once I got his attention he has been on it. I emailed him back to say I got the programming done but don’t see any credit on my PP and he got back to me again and said the tail end of a hurricane hit them and he lost power. I think he’s in Connecticut so it’s probably Isaias. He said he will send a credit tomorrow.