2016 Sierra switched power source under the hood

[Andy Chabot]

I am looking for a ignition switched power source, under the hood, to power my 30 inch light bar. The Rough Country kit has lit power switches and although it is a led, I would prefer to only have them lit when the truck is running. Any suggestions?

 

Andy

[MrNasty]

Im not sure about under the hood, but under driverside dash there is a black box with wire cluster in it. One of the plugs is empty and it has switched power, constant, and a ground. I ran my wire from the relay into the cab and used those wires to power the illuminated rocker switch. I bought a wired plug from a member on here. All I had to do is plug it in and wire the switch to it. I will see if I can find his contact info or you could order the parts and make one yourself. I chose to take the easy way out,lol. I will go out in a few and get a picture of the panel under dash so you can see what Im talking about.

[Andy Chabot]

Yesterday evening I went exploring and found some seldom used circuits associated with the trailering package in the fuse box under the hood. Used a fuse block tap and I am a happy camper.

[KaptKyle]

cuz lightbars r kewl

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[higsy]

I also need a switched source for my duel battery setup , can anyone point me in the direction of which fuse I could use a fuse block tap under the hood ?

[The Wod]

Looking for the same thing because the 12v to the factory trailer plug (2015 Duramax) is constantly active--I don't want to risk draining the truck battery when I'm parked.  Therefore, want to provide charging power to the trailer only when the engine is running (ie, key is on).  Looks like I'll have to install a solenoid activated by the switched power to do the job.