Swapped motor from 2002 es to 2001 es, speedometer doesnt work anymore!!

2001 es had a blown head gasket so we swapped engine from 2002 es. Before swap, 2001 es speedometer worked. After swap, it doesnt work. Swap was fairly easy, no issues. Front motor mount is broken so we have to replace but all wires are plugged up correctly to our knowledge. Any suggestions as to why speedometer no longer works??