go to Rockauto and buy the wire harness. They got the best customer serviceACDELCO Part # D2213D {#19184494}SWITCH,CRCONT REL w/5-SPD M/TRANS(MVC) or 5-SPD M/TRANS(MVE) or COMFORT & CONVENIENCE PKG(Z05)ACDELCO Part # D1983F {#19184547}SWITCH,CRCONT w/STD WHL(NK5) or COMFORT & CONVENIENCE PKG(Z05)SWITCH,CRCONT w/LEATHER WRAPPED SPORT STRG WHL(NK4) or COMFORT & CONVENIENCE PKG(Z05)you can look at their diagram by clicking in this sitehttp://
www.gmpartsdirect.com/c...22519go to w w w dot matrixownersclub dot com and search DIY mod, there should be a lengthly write up about the instruciton