The area will need to be flat if it is roof mounted so you can seal the spot after the light is mounted. Recon truck accessories 2007 1012 chevrolet silverado gmc sierra cab roof light installation video.

Aux Switches Expedition Portal
Auxiliary roof mounted lamp switch. The fasteners on the lights will need to be accessible to tighten them sufficiently. Roof mounted light switch oct 15 2011 940pm i just purchase a 2009 silverado that has a light switch that is mounted where the front interior light isit comes as an option. This button is located on the overhead console. When the wiring is connected to an auxiliary roof mounted lamp pressing the bottom of the button will activate the lamp and illuminate an indicator. Installed an adjustable pressure regulator 88 gmc 57 two years ago and recently the truck threw a code 34 map sensor and started running real bad at idle. Part 264156bk smoked cab lights step by step how to install cab roof lights on a truck that.
The brown power wire is protected by the 30 amp seo 2 fuse which is located in the underhood electrical center. Auxiliary lights like led light bars pod lights and rock lights are popular add ons for trucks and suvs which is why some late models come from the factory with banks of ready to use auxiliary switches. This particular truck is a 2017 silverado 2500 according to the gm upfitter website it is. If the vehicle has this feature this button includes wiring provisions for a dealer or a qualified service center to install an auxiliary roof lamp. Mark the light locations. This is a quick video on where to connect to the factory aux switches on the silverado work truck model.
Safetylighting jan 20 2010. There are two blunt cut 12 gauge 30 mm2 wires one is brown roof mounted lamp power it is controlled by the dash mounted switch through the relay the other is black ground. Replaced sensor and no change. This button is located on the overhead console. If the vehicle has this feature this button includes wiring provisions for a dealer or a qualified service center to install an auxiliary roof lamp. Noticed one injector wasnt spraying great so replaced both injectors with nos oem stock delco 55 lb injectors.
Your offroad lights will need to be mounted in a location where wiring can be run in a relatively safe fashion. When the wiring is connected to an auxiliary roof mounted lamp pressing the bottom of the button will activate the lamp and illuminate an indicator.