Bose System -- Need wiring color codes - Nissan 370Z Forum Mar 07, 2015Bose System -- Need wiring color codes I like the integrated system but it is weak. So, I am looking at using a good quality line output converter Wiring Schematics - Nissan 370Z ForumJun 08, 20162016 Bose Wiring Diagram?Mar 08, 2016Bose with aftermarket HeadunitJan 25, 2012Who Wants Bose Wiring Diagrams!!Aug 09, 2010See more results 2014/2015 Silverado WITH Bose wiring diagram color schematic Re: 2014/2015 Silverado WITH Bose wiring diagram color schem. You must use the speaker level output of the Bose amplifier for signal. The front tweeters are high passed at 400Hz, and the front door speakers are low passed at the same 400Hz. There is also a bump at 50Hz of about 10dB which is in the front door, and rear door speakers.