Looks simple. But does require cutting, and wiring.
Go to youtube: and search.. Cheap DIY electric power steering.
This can be done for a bit over $100.00
Check it out. There are a few videos. One guy has a Ford Cobra
Go to Ebay and search..Saturn Vue Ion Chevrolet Equinox-Electric power steering controller box-EPAS
The sellers name is brunolopesantunes, the guy is from Portugal. The kit he sells on ebay for $64.99 plus $9.99 shipping.