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Old March 6th, 2011, 05:52 PM   #1
Jimmysjeep
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Trailer back up lights?

I don't have any back up lights on my trailer and find myself backing into camp sights and into my driveway after dark a lot.

I want to install some back up lights but don't want to spend hundreds of dollars experimenting.

My trailer has the jeep style brake light and I'm considering switching to an led style with the back up lights.


Anyone install something they like?

The brighter the better.
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Old March 6th, 2011, 05:54 PM   #2
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id just mount some small driving lamps on the back of the trailer, wire them into ur stock harness
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Old March 6th, 2011, 06:46 PM   #3
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That might be a good idea. Thanks.
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Old March 6th, 2011, 07:21 PM   #4
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That might be a good idea. Thanks.
actually, it is not a good idea. The stock wiring is not rated for the added load, and will eventually (if not right away) fail

Mount whatever lights you want to use on the trailer, and then run a suitable size positive wire to the front, along with either a new ground wire, or upgrading the existing ground to acomodate the new load on it. The connector can either be replaced with one that has 1 more contact (or more, 2 if you want a seperate ground for the lights), or just keep your existing connecter and add another for the reverse lights (that would be the best way if you use more then 1 vehicle to tow the trailer, or loan it out on occasions...saves on the hassle of hacking connectors togethor)

To run those new lights off of the tow vehicle, run a positive wire from the battery (underhood fuse box is just as good, and usaully easier to connect to), through a circuit breaker or fuse, then through a relay, and then to the back of the vehicle. Use the factory reverse light circuit (or just a rocker switch) to energize the relay. Could also do both. The switch would be handy to have light that isnt blocked by the trailer when setting up camp, or whatever else you may be doing.

Last edited by Yota Bill; March 6th, 2011 at 07:25 PM.
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Old March 6th, 2011, 07:39 PM   #5
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Or just use some led floods that use low amps and use small 2 prong trailer type plug. Prob do it for seventy five dollars.

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Old March 6th, 2011, 07:42 PM   #6
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can't you just add a relay and use the 12V power at the plug?
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Old March 6th, 2011, 07:53 PM   #7
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i used that back up light that autozone sells which comes with 2 clear lights about 5 inches wide and 2 tall. i mounted them to the cornors of my trailer and tapped into the reverse lights on my truck (07 silverado). we also hooked up the wire to my jeep and also my uncles 06 dodge ram so he could use it also since we both tow the trailer alot and none of the truck have had a prob. also i did that about 5 years ago and have used them countless times one of the best things i did. but you do it what ever way makes you feel comfortable because its your truck. hope this helps.
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Old March 7th, 2011, 07:17 AM   #8
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The wiring is not a concern. There are no provisions for back up lights on the trailer including wire. What ever I do will have to be wired from scratch.


The reason they were a good idea is that I KNOW they will throw light even if it become a longer task to wire properly.


The lazy side of me was looking for a led style so I would just have to wire the trailer and splice a bu light on the tow rig to my 7 way.


I was thinking of starting with something like this http://www.amazon.com/COMBINATION-DU.../dp/B002B8AUSQ


I just don't know if they will be bright enough.......
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Old March 7th, 2011, 04:26 PM   #9
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http://www.autozone.com/autozone/acc...fier=9749_0_0_
thease are not the exact same ones i used but close. all i ran was 1 extra wire from the light on trailer up to the truck and connected it to the wire behind my taillight. the ground wire i just screwed to the trailer since it is allready grounded. easy fix took less than an hour and the light are 55 watts so they light up a good distance and its a wide beam of light.
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Old March 7th, 2011, 04:32 PM   #10
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http://www.jcwhitney.com/kc-hilites-.../p2003599.jcwx

here is the lights i used on mine. hope it helps
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Old March 7th, 2011, 04:41 PM   #11
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these are fairly expensive. http://www.gorecon.com/product.php?pk=140&pname=Part+%23+264150+-+Projector+Back-Up+Reverse+Lights&p_cat=46#

but being projectors they don't really have a visible reflector. meaning you may not have to cover them when on the road and underway.

generally speaking, jonnylaw don't like it when he pulls up behind you on the road and see's his own headlights reflecting brightly back at him - or worse if he lights you up with his take-downs or door spot lights and blinds himself...

How do I know?

I had a friend that mounted a massive ~6" x ~9" off road light in the rear deck of his old school VW GTI because the oem reverse lights were those tiny triangles... even though it was wired off of a relay and only turned on when the car was in reverse, it netted him a traffic citation...
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Old March 7th, 2011, 04:53 PM   #12
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Go to the military surplus store and buy some road flares. Fire them off and duct tape to the rear of trailer, ????, profit!
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Old March 7th, 2011, 04:58 PM   #13
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you could run a switched wire (or from your truck's existing reverse lights) like mentioned above, to a relay that then turns the power on to your rear-directed fog/driving lights. you could do an easy quick-connect or a basic plug/harness concoction to make it easy to connect and disconnect when you want to. it doesn't really matter what plug you're using, or how many wires it was meant for, you will only be using one(or two).

and as for the reflectors from the housing being a bad idea, i second that as well. i personally have some LED driving lights that can just be tapped into the parking lights onto my truck. they are such a low power draw, it's a non issue. going with an led enclosure also removes/minimizes the chance of the 5-0 getting upset about a refracted beam.

something like this
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Old March 7th, 2011, 06:28 PM   #14
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These are what's going on my dad's trailer when i rewire it for him.
http://cgi.ebay.com/ebaymotors/2-Max...Q5fAccessories
They AWESOME lights !! LED and throw some serious light.

they come in round too http://cgi.ebay.com/ebaymotors/Maxxi...Q5fAccessories
we installed the round ones on a customers blazer when i worked at unlimited. they were pretty bright in the shop.
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Old March 7th, 2011, 08:43 PM   #15
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Go to the military surplus store and buy some road flares. Fire them off and duct tape to the rear of trailer, ????, profit!

Why can't I just drive down the road this way?

Way better then clearance lights.
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Old March 7th, 2011, 08:54 PM   #16
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These are what's going on my dad's trailer when i rewire it for him.
http://cgi.ebay.com/ebaymotors/2-Max...Q5fAccessories
They AWESOME lights !! LED and throw some serious light.

they come in round too http://cgi.ebay.com/ebaymotors/Maxxi...Q5fAccessories
we installed the round ones on a customers blazer when i worked at unlimited. they were pretty bright in the shop.


Ok. LEDs are the ticket, or not the ticket so to speak.

I didn't know about five-o getting upset about the reflector in the lens. That's good to know. I'd be pissed to spend money on lights, then get a ticket and have to replace the lights with something DOT approved.

I don't mind a little expensive. I'm going to have this trailer a LONG time. I just didn't want to spend a lot of cash on lighting and not have it help.

I like the round ones. Being surface mounted I can get rid of the Jeep style lights on the back that I keep breaking. My 4' dove tail is nice but it is hard on exposed taillights. At $40 a pop I wouldn't be happy to keep breaking them.
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Old March 7th, 2011, 09:00 PM   #17
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your tow rig should have provisions for trailer backup lights. And also a fuse for them. consult your owners manual, as this might make wiring them a bit easier.
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Old March 8th, 2011, 07:28 AM   #18
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your tow rig should have provisions for trailer backup lights. And also a fuse for them. consult your owners manual, as this might make wiring them a bit easier.



My tow rig is a W3500 Chevy (Isuzu style cab over w/6.0) with a 18' cargo box. It was probably not intended to be used to tow with. I added the 7-way to the back.

I'll look. It would be nice to not have to add an in-line fuse or depend on the fuse of the truck bu lights. Thanks.
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Old March 8th, 2011, 01:20 PM   #19
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i Hooked some led reverse lights on an older trailer we had. My truck at the time only had the 4 prong wire connector. I wired another connector with weatherpack teminals and used a seperate switch with led indicator. Sometimes its nice to have the lights on when the vehicle is not in reverse. Like in park on a hill or driving around your property, loading up stuff at night, or other times when you dont want the vehicle idling. I just had a 3/4" bright red led indicator light on the dash next to the switch so i wont forget they are on when driving down the road.
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Old March 8th, 2011, 08:58 PM   #20
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Originally Posted by Jimmysjeep View Post
My tow rig is a W3500 Chevy (Isuzu style cab over w/6.0) with a 18' cargo box. It was probably not intended to be used to tow with. I added the 7-way to the back.

I'll look. It would be nice to not have to add an in-line fuse or depend on the fuse of the truck bu lights. Thanks.
just put your rig in it!

my post may not help you, as I don't have much experience with these medium-duty trucks you are working with. I just know my 1/2 ton has it.
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