I have mine tapped into the drivers foot kickpanel, the interior lighting wire can be accessed there pretty easy to do
the gmupfitter guide has some good well defined diagrams
just go there and select your year as there have been changes made around 2010
The Light and Medium Duty Body Builder Manuals that are published by Upfitter Integration contain a wide range of technical information, including electrical schematics, body and frame dimensions, exhaust system modification, etc. The Body Builders Manual contains information that may be used in...
www.gmupfitter.com