The old one uses separate wires to the display panel.
The new one uses a single flat cable.
(I have no idea why my email address is appended to the end of the quote. I did not put it there.)
chirpyboy wrote:Wow, I bought one off eBay recently and had this same problem (paired with phone but sent no valid data... eventual I-key error & T/M System Malfunction).
I returned it for a refund, and bought another off Amazon which works.
I wish I hadn't sent the bad one back already so I could check its resistance. The good one is 120ohm as expected.
ones I bought:
ok: http://www.amazon.com/gp/product/B01LNJ77YI B01LNJ77YI