Replaced 12v with brake controller. Run 12v to the bed?

[danimal2000]

I recently installed the Mopar brake controller, which replaced the 12v outlet in the dash. So there's an unused wiring harness behind there now . I'm thinking of tracing those wires, and using that same source to run wires for a 12v marine rated outlet in the bed. Is this feasible or should I just do a completely separate run to the bed outlet, leaving the one abandoned behind the dash?

My thinking is I want the bed outlet only on with the ignition, just as the old one was so I figure basically use the old one. Open to other ideas too.

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[madesicc88]

I did the same recently and was wondering what could be done with the unused 12v stuff, will be watching this to see what you end up doing.

 

[mdyucca]

Not sure what the amperage rating is of the accessory (cig lighter) but if you were to run the accessory circuit another 6+feet to the back of the bed I would think the amp rating will be reduced. I would think you could run a few LED lights from this circuit. Once the brake controller takes the cig lighter out of service I have thought that this now unused circuit would be great to power a 12 volt to 5 volt 2 port USB adapter, running the charge wires up to dash mounted dash cam and phone charger. This would provide a couple 5 volt charge cables and possibly clean up the charge wire going to dash mounted devices. My 2 cents.

 

[Lost1wing]

I ran a separate circuit for my 12v power outlet. I have it only powered when the ignition is on.

I am considering going with another battery to have power in the bed all of the time. I would isolate it from the vehicle's batteries for obvious reasons. I would then use the circuit that I installed to only charge the cargo battery. I haven't done this yet, mainly because I have not needed 12v but a few times. A simple power pack is all you need for that.

 

[danimal2000]

I'm also considering something like this, installed where the optional 110 outlet would go on the bed. There's a plastic "plug" there now.

Kohree 12V Marine USB Outlet Socket Panel-Cigarette Lighter Socket Splitter & QC 3.0 Dual USB Ports with LED, Waterproof 12 Volt Charger Panel for Car Marine Vehicle Motorcycle ATV https://www.amazon.com/dp/B08D691JL7/ref=cm_sw_r_apan_i_XYZ42W0H887K0WKYRE8F?_encoding=UTF8&psc=1

I would swap one if the 2 with a rocker switch so I can control power here regardless of the ignition. There are also 3 and 4 gang options if more are desired

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