What wiring harness to buy?

Hello everyone,
I have a Dual DVD head unit that I would like to install in my 08 LS. I am hoping some of you can assist with this. I search ebay for necessary parts to get the job done. Can anyone tell me what it is exactly I need to get this unit installed? I will actually have a relative do it, hence why I have no clue about what I need to purchase.

If you could post some links to ebay items that would be ideal as they usually have the best deals. Being a student, each penny counts. Thanks. :D

im guessing its a double din head unit? I just threw out the install kit you could have used lol

you need a 07+ or 08+ harness and double din install kit for the same years, should come out under $25

It is one like this - http://www.bestbuy.com/site/Dual+-+50W+ ... &cp=1&lp=4 -

link dont work #-o

does it flip up or does the screen fill up the entire opening? They make kits that both include 1 din and 2 din applications so

do you have a sedan or hatch?

I would go with this one here, it has both 2 din and 1 din applications----> http://cgi.ebay.com/2007-2009-Chevy-Ave ... ltDomain_0

A harness to go with the one on the top if it does not have one with it---> http://cgi.ebay.com/Install-Radio-Stere ... ltDomain_0

This one is for single din with harness, not sure if it will fit-----> http://cgi.ebay.com/2004-08-CHEVY-AVEO- ... ltDomain_0