john2500hd Posted August 10, 2007 Report Share Posted August 10, 2007 Hi, i'm installing the D3, does anyone know a easy connection location for the reverse wire on a 2004 GMC Sierra? thanks! Quote Link to post Share on other sites
cntrylvr79 Posted August 11, 2007 Report Share Posted August 11, 2007 Once is enough. Reverse Light lt. green + BCM, black plug, pin F Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back. Quote Link to post Share on other sites
john2500hd Posted August 11, 2007 Author Report Share Posted August 11, 2007 thanks appreciate it! Quote Link to post Share on other sites
dlsderoo Posted February 7, 2010 Report Share Posted February 7, 2010 Yes it was the lt green in the three wireblack plug on my 03 gmc sierra with onstar/regular bose. Thanks for the help !!! Quote Link to post Share on other sites
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