ChristianRenfrow Posted May 22, 2019 Report Share Posted May 22, 2019 I took out the rubbery carpet that is on the rear wall of my 2015 Sierra and noticed 4 unplugged plugs dangling on the left side. I do not have the bose system so what would these be for? Link to comment Share on other sites More sharing options...
SnowDrifter Posted May 22, 2019 Report Share Posted May 22, 2019 Any option that your truck doesn't have. During manufacturing, vehicles typically all get the same wiring harness. It's not worth the MFR's time to be making separate harnesses for every little option. Could be anything from audio, to powered seats, interior lighting, entertainment, climate control, etc ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
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