Speedometer / odometer on my 3

Speedometer / odometer on my 3.3L Santa fe ltd stopped working. This happened under warranty 5 years ago, repair tech noted 'found current data, had no reading for speed on BCM, fixed poor connection at pin c270" on work order. Cruise control works perfectly, no error codes, get accurate mph reading on scanner when hooked up and driving, seems to also register miles. Initial symptom before quitting altogether was speedometer needle swinging wildly above and below actual speed. I replaced the speedometer stepper motor, didn't fix problem. I replaced instrument cluster with one from a salvage yard, didn't fix problem. Didn't think that VSS could be problem as dealer indicated buying a new cluster for $600 would be the fix, plus the fact from what I researched, a bad VSS would keep the cruise control from working.
Would anyone care to suggest a solution? Does anyone know where I might find the loose connection at pin C270 previously worked on? I will donate $10 by PayPal to anyone who provides the fix.