is this all i need?

[uchi]

http://www.amazon.com/PAC-RP4-GM32-All-In-One-Replacement-Interface/dp/B00B6LGPBU/ref=sr_1_1?ie=UTF8&qid=1419202887&sr=8-1&keywords=rp4-gm32

 

 

truck is an 09 sierra sle, no nav, i dont care about retaining onstar or xm, but i want to keep my steering wheel controls and not have to play the splicing or wire finding game with anything. im installing a deck with a back up camera and also navigation built in to it.

[nrsource19]

Use this: http://www.cruxinterfacing.com/products/SWRGM-49/index.html