These are cheap, easy to install and I have used them on the last 3 corollas (2006, 2005, 2007) I had. I also bought the "no cut" wiring from CURT (See 3rd link)
https://www.amazon.com/CURT-11265-Class-Trailer-Hitch/dp/B00FRJH3XG/ref=sr_1_1?ie=UTF8&qid=1481751043&sr=8-1&keywords=corolla+hitch...