Need a wiring harness for my 89, the harness on the driver side that runs all of the power

I've always wanted to do it so I figured what the hell. Pretty straight forward as you can see in the pics.   http://i564.photobucket.com/albums/ss85/bohocst/IMG_1149%20-%20Copy_zpsta3jnbfv.jpg   http://i564.photobucket.com/albums/ss85/bohocst/IMG_1153%20-%20Copy_zpsj2adj8iz.jpg   http://i564.photobucket.com/albums/ss85/bohocst/IMG_1154%20-%20Copy_zpscedsmrjw.jpg   http://i564.photobucket.com/albums/ss85/bohocst/IMG_1155%20-%20Copy_zpshahlhpym.jpg   http://i564.photobucket.com/albums/ss85/bohocs

Is the stock exhaust 2 inch or 2.25 couldn't remeber

Not selling.