Just finished a 4l85 swap. I did do a segment swap but trans is shifting super late, speedometer is only reading 30-40mph, so possible output speed sensor issue? LT1 swap.com suggests that pcm to front input speed sensor on 4l85 wires pulled from 4l60 connector, can go to either pins 1 or 2. Also 4485 tcase has no speed sensor so speed sensor that once was in old tcase now plugged into 4l85 rear output speed sensor. Any information on this is greatly appreciated.

06 Yukon Denali, AWD BorgWarner 4485, LQ4 6.0, Elgin 1840P 228/230 .585/.585 112LSA, PAC 1219 valve springs, Delphi 25317628 injectors, TransGo HD2 shift kit, 4l80 rebuilt torque convertor 2400-2700 stall, tire size 275/55R20

File 3 4l80 segment swap.hptdenali 4l80 first drive.hpl