2014 GMC SIERRA STEREO WIRING

How To GMC Sierra Stereo Wiring Diagram - My Pro Street
Third generation Sierra Stereo Wiring Diagram (2014–present) This allows you to eliminate the excess space around your factory stereo or head unit in your GMC Sierra. 2014 Chevy Sierra Stereo Wiring Diagram. Sierra Radio Constant 12V+ Wire: Red/White Sierra Radio Switched 12V+ Wire: GMLAN Serial DataAuthor: John Huh
2014 GMC Sierra OE Wiring Harnesses & Stereo Adapters
GMC Sierra 2014, Factory Replacement Wiring Harness by Metra®, with OEM Radio Plug. This high-quality Metra wiring harness is just what you need to replace your defective or aged factory wiring