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OT-Battery charger cables

W

Why Worry

Member
Hello all,

Mice, rats or voles have chewed through the cord and cables on a battery charger I bought new, just last winter. I am by no means a spark chaser and would like to repair if possible but it occurs to me that if I attempt to splice the power cord and cables back together, I have to make sure I don't get them backwards meaning connecting neg to pos and pos to neg.

Is there any way I can tell?

I do have a plan to prevent future problems as I talked to some folks who claim fox urine will keep them out.
 
If cables that go to the battery are not too bad use electrical tape to cover them up Red for + Black for -. If too bad find same size cables in Red and Black or again mark them with electrical tape. For the power cord find a 14 gauge or 12 gauge extension cord and cut off the female end and use that as the power cord. Black wire to Black wire White wire to White wire and Green to Green or ground.
Ypop
 
most bat chargers don't have too massive of cables.. however replacement clamps can be spendy. what i do is hit the chinese tool store and they usually have 4.99$ cheap jumper cable sets.

have off one of each end and you actually have decent charger cables., plus spare clamps!
 
On my charger there is a gauge. If I hook the cables on backwards without it being plugged into a wall socket, the gauge needle swings all the way to the right
 
Most battery chargers have over current protection. It won't hurt anything to hook the leads to the battery either way. If the battery shows charging, you have them right. If the charger kicks off you have them wrong.
 
".....fox urine will keep them out." O-o-o-kay, I'm good with that, but it just seems to me that opens up a whole new batch of questions.
 
If the 120V cord to your charger is completely chewed in two, get back to good insulation on both ends. One side or the other should have
rib(s) molded into the insulation. You can proceed to splice it or replace it from there. On the output side, connect your volt meter to a battery so it reads correctly, noting which lead is connected to the negative terminal. Connect it to the output of the charger so it reads correctly--the polarity of the charger will be the same as the test battery.
 
Walt,

Very good question. I'll bet this outfit has some bobcat or mountain lion urine that will just do the trick:)

I tried getting barn cats but the wife ends of making pets of them and you know the old saying, "If Mamma ain't happy, nobody's happy".
 
Well, to the wall outlet is AC, which is not polarized, so that cord will not matter. On the output side is DC which is polarized and will matter. As somone said, trace it back from the clamps, one will do, and mark one lead with tape. If its chewed through and off, use a volt meter set to DC and measure across the two leads after powering up. If the polarity is correct, one way will read positive, and if its reveresed, it will read negative so mark your clamps accordingly. Dave posted something that should be true on all or most chargers, connect it while off and see what the charger meter says. If it reads a postive voltage, you have it correct. If it tries to read negative , you have the leads reversed, so remark the colors.

Rats or mice, eh? I popped the hood on one of my Dodges that I don't drive much, and one of the little critters built itself a nest between the turbo and the valve cover. On my Allis B when the carb quit a couple of weeks ago, I noticed that one had built a nest between the gas tank and the valve cover. Apparently they climb anything...and winter must be coming.

Good luck.

Mark
 
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