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JohnnyV

Change Front 12v Power to Switched from Always On?

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Hi,

Just bought myself a 2016 TC XLT LWB.  Love it!

Want to mount my GPS up front, but have found that the front 12v power outlet is always on, leaving me vulnerable for a dead battery.

Any thoughts on how to do this?

Thanks in advance.

-Johnny V

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Here's how I did it. Rather than trying to change my sockets to switched, and since I was needing the power in the overhead shelf area instead of down low on the console, I added extra connections to the overhead shelf and tapped the power from spare switched fuse locations. For convenience, I added a small accessory fuse box behind the glove box. Then used that for all my future add-ons. The link below is for when I added USB outlets, but at the end added an additional 12V sockets. That topic has links to the other stages of the build.

 

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I believe the BCM monitors battery voltage & will "turn off" all accessories, including 12V outlet, if the battery voltage gets to a certain point. I have run the radio for 3+ hours several times while doing yardwork and stuff, without the key or engine and had no trouble (just gotta hit the power button on the radio every hour when it turns off). My old GPS was a pile and would randomly turn itself on sometimes, when it happened on a weekend it could sometimes run for 12+ hours and I'd have no idea. That said, the GPS never killed the van battery after turning itself on.

I think you're worrying more than you need to. Reminds me of a buddy, he'll put his truck radio on at a party and then start the engine for a couple seconds every 30-45 minutes, lmao. I told him that cranking that starter and only running it 1-2 seconds uses way more juice than the radio does... Especially when he does it to his Cummins Dodge rather than his gas Chevy! I also told him that I run my radio for 3+ hours at a time with a battery half the size of his (or 1/4, in the case of the dual-battery Dodge), but he won't listen, lol.

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Does front 12v powerpoint and lighter on 2012 TC use the same fuse? My lighter and rear powerpoint work and front does not. I suspect the wire is unplugged, but looks like a real pain to access.

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7 hours ago, Mike Walton said:

Does front 12v powerpoint and lighter on 2012 TC use the same fuse? My lighter and rear powerpoint work and front does not. I suspect the wire is unplugged, but looks like a real pain to access.

 

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I saw in another thread that lighter, front PowerPoint, and rear PowerPoint each use a different fuse...in North American vehicles in contradiction of the owners manual. Has anyone discovered the fuse number for these three items?

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