12v Constant at rear of truck - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 01-23-2009
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12v Constant at rear of truck

well i havent posted for a while but i need some help is there a constant 12v at the rear of the truck i doubt there is but wanted to check efore i have to get under there and run another wire i should ran 2 or 3 the first time for later additions cuz with the cap on my truck ts to dark to see anything in it at night i would like to put a light with a switch in side the cap also if anyone know of a good light to put in post it up thanks guys
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Old 01-23-2009
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Old 01-23-2009
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i saw that before so i guess that answers my question no factory 12v back there
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Old 01-23-2009
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If you have the trailer wiring connector you can tap the brown/white wire and it will have power when headlights are on. The way I would do it is just get yourself a trailer connector (5 bucks or so at walmart) and just grabbing the brown and white (ground) wires and running them back up through the bottom of the tailgate or through the stake hole pockets (easily accessed by removing the tail light).

Doing it this way will also prevent you from leaving it on and draining your battery.
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Old 01-27-2009
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Good idea on the trailer harness bit. I was just thinking about one of the nicer bright LED dome lights that are available at most places with the adhesive backing and stick on the underside of the cap to light up the bed when digging around in there at night.
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Old 01-28-2009
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well thanks guys but i just tap one of the runnning light wires at the taillight so it works when i trun on the running light the light as a built in switch to turn it off i will eventulally run a constant from the front
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Old 01-28-2009
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Run a wire from your cargo light on the 3rd brake light to power them. Then they will come on when you flip on the factory cargo lights for the bed, that way you dont need to add a switch.
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