I got assigned to a new truck today, that only has one 12v outlet on the dash. I need 3 ports.
I had a cheap flimsy 3-in-1 adapter, it worked good for about 5 minutes then it melted, lol. Found out why though, the fuse was only 7.5 amps. my three devices use a total of 12 amps combined.
the fusebox for the cigarette lighter outlet has a 20 amp rated fuse.
I stopped by the T/A today and got a quality heavy duty 3-in-1, but it had a 10 amp fuse. I grabbed a pack of glass tube fuses, and replaced it with a 15 amp fuse.
I should be ok to run the 3-in-1 with the upgraded fuse now, as the fuse will now supports the 3 items I want to run correct?
12v outlet/3-in-1 adapter Question
Discussion in 'Trucking Electronics, Gadgets and Software Forum' started by X-Country, Jul 12, 2014.
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what 3 items are you running? they make a plug that has 3 usb ports. although, 1 and 2 are the more commonly sold items.
simple plugs, no fuses. -
Last edited: Jul 12, 2014
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IMO, Use the plug in the bunk for your cooler.Cranky Yankee and CondoCruiser Thank this. -
the colman cooler i sould find anohter place to plug it into. is your truck a day cab or a sleeper? if sleeper is ther a plug in the back?
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the cooler is your problem. it needs it's own power source.
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yep snowwy nailed it
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Yep, look behind the driver's seat in the fridge covey hole on the floor should be another 12V plug-in Use that one for your cooler. You can find a couple 2x4's, lay them on the floor and put your fridge on top of that. Then you can open the door. Or if you insist the fridge be close to you the cord will still reach there.
Some of them roadpro crap plugs won't stay plugged in. I found if you cut about 1/2" off a small cable tie it will help hold the plug in place.
Depending on the truck you should have another outlet in the bunk area and one in the TV area. Leave the front one for a GPS and dash cam. The fuse panel has vacant accessory slots. Create your own.
You'd think the manufacturers would catch on.
Make sure the cooler is fused for the cooler. I had one melt on me. It about killed me. -
Simply put, make sure no one used a bigger fuse on the cigaret lighter and if so replace with correct lower size.
On your 3 to 1s...dont use a bigger fuse. If you do, you risk wires melting and potentially a fire.
Fuses are there for a reason, you cant just go around putting bigger fuses in to get more power. -
First off it's a 2010 Freightliner Columbia. So its a super single truck.
one 12v outlet up front (it's not a cigarette lighter, just a 12v outlet)...didn't realize there was a difference.
there is a 12V outlet in back in the sleeper.
In the rear, my 400w power inverter is already plugged in for my laptop and my cell phone charger.
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