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Old 05-01-2020, 09:30 PM   #1
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White wires to the batt

Anyone know what the White wires are for and which is supposed to be the Neg/Pos. Line? I honestly kinda forgot since I took the battery out to charge🤷🏼*♂️
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Old 05-01-2020, 09:37 PM   #2
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Looks like someone added those. Doesn't look factory.
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Old 05-01-2020, 09:49 PM   #3
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Are you wired for solar prep? My white wires are the Furion plug for the solar panels
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Old 05-01-2020, 10:13 PM   #4
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I bought it new🤷🏼*♂️
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Old 05-01-2020, 10:17 PM   #5
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Quote:
Originally Posted by Cahriad View Post
Are you wired for solar prep? My white wires are the Furion plug for the solar panels
Thereís some sort of plug for ďsolarĒ... maybe thatís it? Iíll take a pic tmw in the daylight. Does the yellow line go to the negative?
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Old 05-01-2020, 10:24 PM   #6
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Maybe leave them disconnected and see what doesn't work?
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Old 05-02-2020, 03:25 AM   #7
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Plain white is negative, yellow stripe is positive. Double check as sometimes they get reversed, check the polarity at the socket.
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Old 05-02-2020, 06:09 AM   #8
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Quote:
Originally Posted by MotoCrazy808 View Post
Anyone know what the White wires are for and which is supposed to be the Neg/Pos. Line? I honestly kinda forgot since I took the battery out to charge����*♂️

Although it doesn't answer your current question, this may help in the future. If you have a cellphone with a camera, it's easy to snap a picture before removing the battery. This way you will have a photo to help your memory.


You can also use your cellphone to easily take pics before disassembling other things to aid in the reassembly process.
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Old 05-02-2020, 02:52 PM   #9
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Whoever installed what looks like a lamp cord, should not have used wiring that is not really suitable for automotive or marine use. Other than the lack of proper color coding, the insulation does not appear to have the abrasion resistance for something that moves and vibrates. It’s even more problematic because there is no current limiting for a direct connection to a power source of very high capacity (the battery). My batteries are adjacent to my propane tanks. If the insulation on wire connected to the positive battery terminal is cut or abraded by vibration, then the battery can supply sufficient current to that segment of the wire and heat it to a temperature that you might not want that close to your propane, assuming you have propane on board and near a flammable source of fuel.

If you decide to keep this connection
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Old 05-02-2020, 03:06 PM   #10
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Originally Posted by MotoCrazy808 View Post
Anyone know what the White wires are for and which is supposed to be the Neg/Pos. Line? I honestly kinda forgot since I took the battery out to charge🤷🏼*♂️
One of the wires is marked, by some kind of imprint on the insulation. One is not. The stamped wire is +.
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Old 05-02-2020, 06:32 PM   #11
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Most white wires on a trailer are (-) negative. On DC. Not knowing who installed that. I would watch how I hooked it up . Netrual is also white on AC .
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Old 05-03-2020, 12:04 PM   #12
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Can you just follow it and find out where it goes? Mine does not have wires connected directly to the battery terminals but I have 3 hot items that are on all the time, brake disconnect, the entertainment system, and I think the propane/co detector. These are connected to the hot side of the battery disconnect switch (do you have one?)
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Old 05-03-2020, 12:30 PM   #13
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oh yeh there is another one, the trailer jack
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Old 05-03-2020, 12:46 PM   #14
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Sure looking at it it's a Rube Goldberg install so 50/50 odds you get it right, I'd go for it. OP is in a much better position to figure it out than we are from one pic.
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Old 05-03-2020, 01:10 PM   #15
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Quote:
Originally Posted by Sarahcat View Post
Whoever installed what looks like a lamp cord, should not have used wiring that is not really suitable for automotive or marine use. Other than the lack of proper color coding, the insulation does not appear to have the abrasion resistance for something that moves and vibrates. Itís even more problematic because there is no current limiting for a direct connection to a power source of very high capacity (the battery). My batteries are adjacent to my propane tanks. If the insulation on wire connected to the positive battery terminal is cut or abraded by vibration, then the battery can supply sufficient current to that segment of the wire and heat it to a temperature that you might not want that close to your propane, assuming you have propane on board and near a flammable source of fuel.

If you decide to keep this connection
The wire is not lamp cord.

If you look closely, it is the same twin wire 12v DC wire used in other parts of a R/V.

One of the wires has a yellow stripe and the other is all white. It has the correct insulation for automotive use. Marine use wire often comes jacketed.

I'd believe they are connected incorrectly in the photo as the factory 'usually' connects the wire with a stripe, to positive. (hot)

I also agree it likely goes to the solar connector.
My solar wires are both black. One has a red stripe.

I've never seen any of these wires to the solar connector fused.
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Old 05-03-2020, 09:38 PM   #16
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I like to take pictures of every change. Then put them in a file for future reference!!! Then you have a record of how they were when every thing worked. Also could put a picture in a plastic sleeve and post it at your battery if this is a yearly thing!!!
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Old 05-03-2020, 09:43 PM   #17
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That yellow strip will likely fade in the sun eventually. Once you confirm which is positive, you may want to see about putting some red heat shrink tubing over that terminal and part of the wire for a more permanent indicator of positive (or something similar that works for you).
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Old 05-03-2020, 10:12 PM   #18
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I got tired of digging out my meter in the spring to remember what was positive or negative, so I black taped the black wires that are negative. No ambiguity in it now.
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