Is the wiring harness for a s4 and a s5 motor the same? if different how different and how hard is it to do the swap? just blew up my s4 motor looking for an s5 and im not too sure of the differences.

 

the harness is no were near the same, if you want to do a s4 to s5 swap use the following:


s4:
harness
sensors
ecu
injectors
throttlebody

then put all of that on the s5 block, you can either swap the front covers or block off the omp and use premix.