2004 GMC Sierra 3500 pinouts
Chevrolet (2003-2010), Cadillac, GMC, Saab 9-7X Head Units pinout for GMC Sierra 3500 of 2003 - 2006 years for wide range of models produced in 2003-2009 years. Should be compatible p/n 1035957, 15917881, 15927261, 15196057, 15184935, 25753974, 15196055, 15234935, 25753974, 10357886, 15195858, 10359577, 10359565, 15184935, 28058188, 10359594, 15849619, 15115013, 10359565, 15927256. Saab 15783685, 15774309.