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Looking for aftermarket parts to modify or upgrade your 2012 GMC Sierra 2500 HD with wiring connectors? At Tunersports.com we carry a huge selection of the top name brand performance wiring connector parts and accessories.
 OUT OF STOCK 19-04270-90Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invested in POWERSTEP, the automatic, electric-powered running board that instantly extends when you open your door, and then hides itself safely out of sight when the doors close for improved ground clearanc... AMP Research 01-06 GMC Sierra 1500 HD Powerstep Wiring Harness w/ Connector 2001-2018 GMC Sierra 2500 HD SLE / SLT 2003-2014 GMC Sierra 2500 HD WT 2011-2018 GMC Sierra 2500 HD Denali $59.17 |