Trailer Lighting and Storage Mods

   / Trailer Lighting and Storage Mods
  • Thread Starter
#12  
Hey guys I am sorry for dropping off the radar for a couple of days - life got in the way of project work. We've been getting ready to go on a weeks vacation to Gatlinberg and well packing for three kids is a effort in and of itself.

In anycase thank you for the explanation about dummy loads, it makes a bit more sense to me now. As well thanks for the suggestion about the converter box, it should be a pretty vital piece in what I am trying to accomplish.

Roger the box I ended up buying was a tractor supply chest:

image.jpg

I'm planning on mounting it on the front rail of the trailer with most of the area projecting out over the tongue of the trailer - that way I don't have to sacrifice deck area or deal with jack knifing the jeep into it if it was mounted directly to the tongue. While I don't have the ability or tools for welding I am going to have a local guy fabricate a frame and struts so that it is fully supported.

I'm an still researching a solution to the mid marker/turn indicator quandary. Apparently round 2" dual function led's are few and far between. I've found one and I am not real keen on being stuck with only one option down the road if/when something needs replacing. So, without recutting the hole I have already made in the fender it looks like my options are:

1) use a resistor as suggested (most likely)
2) cobble together some form of PWM controller (doubtful)
3) Play around with continuous duty relays/solenoids

I think I might have an idea that might work with relays however I need to sit down with some paper and map out the logic involved.

I did take the time and map out the wiring so that laying under the trailer assembling everything I would have guide to keep me from running off into a different direction than I had originally intended: (numbered boxes correspond to junction boxes. Please excuse any nonstandard notations, I can't even claim to play an electrician or engineer on TV :))

image.jpg
 
   / Trailer Lighting and Storage Mods #13  
If you are doing that much work, I would also run a ground from front to back vs multiple grounds...
I would also see about merging boxes whenever possible. Can you run the front marker lights directly from the toolbox? Can boxes 6, 7 and 8 be merged?

Aaron Z
 
   / Trailer Lighting and Storage Mods #14  
the tail light converter goes in the tow vehicle before the plug. If you wire up your 7 wire plug to industry standard pin locations (which by all means you should) you wont be able to pass thru 3 wires for turn and brake only the 2 combined brake /turns.

you have front facing brakelights in your schematic?

http://www.etrailer.com/faq-wiring.aspx

check the above site for a plug and play adaptor to fit your jeep its much better than hacking up the jeeps factory wireing.
 
   / Trailer Lighting and Storage Mods #15  
   / Trailer Lighting and Storage Mods #16  
I really see almost no senarios why you would want to do that.
 
   / Trailer Lighting and Storage Mods #17  
I really see almost no senarios why you would want to do that.
He wants to have turn signals (and only turn signals) for a mid marker light on the fender while retaining combined brake/turn signals in the back. Otherwise, the mid "turn signal" would come on when the brakes come on OR he would have to use a non-standard pinout for his 7 pin connector.

Aaron Z
 
   / Trailer Lighting and Storage Mods
  • Thread Starter
#18  
Thank you Aaron for clarifying the point about the 3 to 2 wire converter versus the 2 to 3 wire converter. My jeep is wired for two wire brake and turn indicator. My plan was to use a converter to go to three wires so that I don't have to deal with the issue of the mid- side markers coming on when I pressed the brake pedal.

Very valid point about combining junction boxes. I may be able to in some cases and may be able to run a ground from the front all the way to the back instead of doing frame grounds. The problem I am running into in that regard is wholly due to the materials I have on hand and the physical constraints of their size.

Because I am using SJOOW as well as six position terminal blocks, which is what I have on hand, there are only so many connections that I am able to make inside of a junction box. But as I said at the beginning you have a very valid point. For better or worse in regards to this project I am going on vacation for about a week so I will have plenty of time to think it over and refine the design.
 
   / Trailer Lighting and Storage Mods #19  
He wants to have turn signals (and only turn signals) for a mid marker light on the fender while retaining combined brake/turn signals in the back. Otherwise, the mid "turn signal" would come on when the brakes come on OR he would have to use a non-standard pinout for his 7 pin connector.

Aaron Z
ok, that would be one of the scenarios, good suggestion.

panik, your still going to need a seperate marker light or a duel filliment one.

I see you stated your jeep is the old style with combined turn/brake wires so you will not need a converter for the jeep.
 
   / Trailer Lighting and Storage Mods #20  
I suggest you do what ever you have to do, to run ground wires.

Even if you have to run a separate wire for the grounds, and have to run it outside the conduit.

This eliminates one of the most common failure points.

I always run grounds, and solder all connections on a trailer. And, then cover them with shrink tubing. That lasts me the entire life of the lights, and the paint job. Usually > 10 years.
 

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