Reviewed By Edward M K (Tonawanda, NY) Reviewed for a 2010 Pontiac Vibe —10/1/2009 3:58 AM
It took me about 90 minutes to install. I was being very careful and deliberate. Over an hour of that time was spent running the power line to the battery. I found a video which describes *exactly* how to install it--do a Google search for "Wiring Harness Installation - 2009 Toyota Matrix".