2008 Hummer H3 Car Radio Wiring Diagram - ModifiedLife Whether your an expert Hummer H3 mobile electronics installer, Hummer H3 fanatic, or a novice Hummer H3 enthusiast with a 2008 Hummer H3, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2008 Hummer H3 vehicles are becoming increasing more difficult to identify due to the installation ofCop This Deal USING MITCHELL1'S WIRING DIAGRAMS - Schwarttzy PDF fileHummer - H3 USING MITCHELL1'S WIRING DIAGRAMS For information on using these wiring diagrams, see USING MITCHELL1'S SYSTEM WIRING DIAGRAMS article. AIR CONDITIONING 2008 Hummer H3 2008 SYSTEM WIRING DIAGRAMS Hummer - H3 MY Sunday, March 29, 2009 10:54:56 PMSunday, March 29 2006-2008 Hummer H3 Vehicle Wiring Chart and Diagram Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2006-2008 Hummer H3 information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. H3 Hummer Drain Tubes - YouTube Fixing my Hummer H3 leaky sunroof. Cleaning out the drain tubes on my Hummer H3.