If you have SOHC MPFi ECM, you can just use that and no alterations are needed. If you are willing to put DOHC engine's matching ECM, you should change the dashboard also. If you want to use the same dashboard, you need an electrician to do the alteration job. Basically the wiring connectors/harness are differrent.
I changed the whole dashboard since I converted my car to Cielo!