| View Full Version : Do I need a different wiring harness? wjfm1 09-01-06, 08:12 AM I have an 06 CTS with the base stereo, and just got an 06 CTS nav unit. Is the wiring harness the same or do I need a new one? If I need a new one, does any one have the part number? Thank you wjfm1 09-01-06, 01:22 PM hello Fly Flip, Do I need a new harness for the NAV? Thank you CadillacSTS2003 09-01-06, 03:23 PM it "SHOULD" be plug in play however im sure there is some modding to the harness required to get it to work... I dont have experiance with CTS's but im in the process of installing a 03 Seville Navi in my 97 Eldo (Eldos NEVER had navigation) and i know i have to relocate quite a bit of the wiring... wjfm1 09-05-06, 09:21 AM Thank you CadillacSTS2003 09-05-06, 11:38 AM np man yourgmsolutions 10-01-06, 02:55 PM I have an 06 CTS with the base stereo, and just got an 06 CTS nav unit. Is the wiring harness the same or do I need a new one? If I need a new one, does any one have the part number? Thank you here os the link, with step by step instruction how to do this kind of install CTS-CTS-V FAQ Page: Installation of a Nav system in a non nav Standard CTS (http://www.cadillacfaq.com/faq/answers/navconvert/index.html) however. your car must have U57 option (witch is Bose). otherwise, you are in trouble | |