A nearby lifelong mechanic passed away and his items were all auctioned off, so up for sale is a Vetronix self-test adapter TA01142 or 02001607 for use with a Tech-1A or Mastertech scan tool. Adapter is used for testing the main DLC cable.

The plastic coating looks as if it has never been touched and the connection points also seem to have no indication it has ever been used.

 

Thanks for looking.