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Discussion Starter · #1 ·
So I have a 10" Rigid E-Series light bar laying around i haven't had a need for. It seems a waste to just have it laying around so I had the idea of using it as a back-up light for the doghouse (my frontier).

So my plan is to mount it on a mini winch receiver mount I had laying around and then just wire it so that it would plug into the trailer light plug, So my question is would this wiring set up work for the limited time the back up lights would be on? I'm just unsure about the need for relays or fuses that would be in a normal harness for this light when its used in this limited role. I don't intend at this point to wire a separate on off switch, I just need some extra light for backing up now that its getting dark out and the factory tail lights are not great.
 

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Discussion Starter · #3 ·
It looks like it draws 4.7 amps and 65 watts, I'm not sure if this it to much for trailer wiring...

Thanks for the heads up I'll have to check my trailer plug for a back up light wire, i just assumed there would be a backup wire in there for when my trailer lights come on.
 

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This is a great idea but i would personally run all new wire through split tubing. I would probably add a switch because you might not want that reverse light on all the time when backing up. Just a through i know its within the law in PA to do exactly what you are doing. Love the idea tho.

Someone correct me if I am wrong, but there is no wire for the back up lights in the 7 pin plug on the truck.

Also, first step is to see the amps that light draws before making any wiring or relay decisions.
I was looking for it when installing my back up camera(couldn't find it ). I just ended up splicing into the revere lights directly.
 

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Someone correct me if I am wrong, but there is no wire for the back up lights in the 7 pin plug on the truck.
Seems to me like there is... if I remember right...

top left... running, top right... battery +, center right... R turn/stop,
bottom right... brake. bottom left... ground, center left... l turn/stop,
center pin... back up.


That would be brown, blue, green, red, white, yellow and black respectively
 

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Discussion Starter · #7 ·
Thanks for all the replies.

Just checked my trailer plug, there is a backup and ground wire. So i think the plan will be to get a 7 pin wiring kit and plug along with the rigid extension harness and then just use it as a plug and play back up light for the winter. I might put a fuse before the trailer plug just in case but we will see how it works first.

I figure a 10" light bar should give me lots of extra back up light!
 

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^Should work awesome! I just use a little 18w led bar and it is more than bright enough. That bar will be way overkill but you'll be able to see behind you for at least 1/4 mile haha
 

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I bought a flush mount set from a member here and plan on installing it soon. I have drawn wiring diagram but I am using water proof 30 amp relay and a diode. I will take the signal from one of the reverse lights and will mount a switch inside the cab so I can turn it on when needed. A relay is a must IMO.
 

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Discussion Starter · #10 · (Edited)
Great! I'm glad to hear I'm not totally out to lunch. I'll post up some pics of the final set up when its all done.

I bought a flush mount set from a member here and plan on installing it soon. I have drawn wiring diagram but I am using water proof 30 amp relay and a diode. I will take the signal from one of the reverse lights and will mount a switch inside the cab so I can turn it on when needed. A relay is a must IMO.
I'm not going to lie I'm still wondering about needing a relay. I was hoping an inline fuse might be enough. This light won't be on for any extended time at this point point and will sorely be used as a additional back up light. If I decide later on that I want a switch to leave it on, then I'll do a full harness for it.
 

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Yes, the reverse lights are useless IMO and I cannot see back very well ( my eyesight is not as good anymore) LED helped a little but not much. With this option, I can turn the light on especially during camping or darker areas and unload stuff. I already have led strip mounted inside the bed so that plus this one would be enough light for me. I always like to over-engineer so I dont have to worry about wires coming loose or other issues.
 

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That light would sure help out. LED's draw so little Im not sure how much a relay does compared to high draw incandescent bulbs.

Clint
 

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Discussion Starter · #14 · (Edited)
Well it's on, wired and lights up the night. Its just comes on in reverse at this point but I think I'll have at add a switch for it to so I can deal with those late night tale gaters :) Since the picture I have added an amber cover to.
 

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You might want to change ur back up lights to led for the look ? I am installing 2 24 watt flush mounted flood lights in my bumber probably gonna use a relay. How would u add a switch to turn them on with out going into reverce? This all depends on how I'm gonna wire my lights up because I want the option to use them as work lights also.
 

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Discussion Starter · #16 ·
LED back up lights are definitely on the list of things to do but I had all this stuff laying around so it made a cheaper quick project. I'm not entirely sure yet how the switch would get wired in, probably an on-off-on switch, I found the attached diagram on the almighty google machine probably would be a good start.
 

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I was thinking about the on off on switch I just don't wanna run those wires all the way up and back I got a crew cab long bed and I feel like it would be wasting wire but I'm gonna look into it. I really want the capability to have them on without the car being in reverse
 

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Discussion Starter · #18 ·
You could just mount the switch/relay in the bed, then at worst there's only one wire to run to a 12v source.
 
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