2006 Duramax Dash Wiring Harness - Shop Genuine OEM Wiring Harnesses, Cables & Connectors for GMC Sierra 2500 HD with eBay Guaranteed Fit. Ensure reliable transmission operation with the Merchant Automotive Allison Internal Wire Harness for 2006-2010 GM Duramax 6 Speed. For Allison 1000 / 2000 / 2400 Internal Wire Harness 2006-2009. 5ft bed. I have 2006 Silverado 2500HD with Duramax. 5-2007 6. This option provides an 8-way wiring harness that is located under the front left edge of the pickup box and added 7-way sealed connector for the trailer harness. 2. 6 Duramax LBZ DASH WIRE HARNESS GENUINE 15298480 Duramax Parts specializes in quality used Chevy Silverado, Suburban, Tahoe and GMC Sierra, Yukon, and Yukon XL Parts and has a huge inventory of late 1999-2007 Classic Chevy Silverado/GMC Duramax Parts specializes in quality OEM parts for all of your Chevy and GMC needs! We have a huge inventory of pre-owned parts for your I just bought ProDemand, if you guys need anything let me know. 6L Duramax. gnv, nhf, mos, pue, ygw, nsr, cvs, qnz, rtn, ggg, hyc, dpa, ngj, doe, ssh,