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what would happen

R

rick n ohio

Member
if i mounted a full size 12 volt battery on my back blade to run my 12,000 lb winch that will also be mounted on the blade and piggy back another battery cable off the tractor battery to the winch battery would that keep it charged or would two batterys hooked together like that be to many volts and burn something up,but i guess it would make more sence to run thr other battery cable straight to a starter solenoid wired with a starter momentary switch then on to the winch itself.RICK
 
Uh.........IF, you have a 12 volt battery on the tractor to start with, this will work. Hook it up like you would when boosting someone off. Positive to positive and negative to negative. Volts stay the same that way. Is this going to be a permanent installation, or is it just while you are using the winch? Having two batteries paired together that way will almost always cause one to be weaker after a while since the effective charge rate will be different on each. For batteries to work in pairs (or multiples) correctly they must be matched and about the same age.
 
My winch has an extra long power supply cord with battery clips on it. Why not use an old jumper cable, cut the ends off one side, and put twist on connectors like you use on welding cables? With the winch hooked to that you won't have to buy a deep cycle battery or worry about keeping it charged. You won't have to mount a battery box either.
 
With vibration and shock on the back blade, the battery wouldn"t last very long. Mount it on the rear of the tractor and add some cable.
 
Rick Real slick way to do that and not cause any problem. Get the biggest heavy battery you can and uses heavy cables from battery there at the winch. Then run you a # 10 wire from that battery to your tractor battery wire. Some where in that wire mount a 20 amp.truck breaker. That wire will keep your winch service battery charged but when you winch for a minute or so the breaker will trip and you will not discharge the tractor battery. Same setup works for trailer mounted winches.
 
I would think if I were to make a connection to a winch for our I.H.706, I would use a HUBBLE Twist lock Socket, mounted in a weather tight outlet box and wire from the tractor battery(using P.V.C tubing) then using Heavy Duty cables to the outlet female wiring device as a perminate mount, then the other end, a male socket installed on the winch cable. Hand held Remote unit for the winch in the cab.That would be a safe bet if the cable was to brake, etc. J. M. suggestion. LOU.
 
I think I'd mount the battery on the tractor to avoid vibration and poor grounding on the blade. Then look into a 30 amp diode in the cable to the battery to avoid pulling current from the tractor battery when the winch is used. That will avoid having a dead battery on the tractor when you are using the winch. Having said all that, I wired the winch on my neighbors Farmall BN(converted to 12V) straight to the battery. No problems in 4 years, but he only uses the winch occasionally.
 
One way to put both batteries into play for charging the winch battery but not allowing tractor starting current to fry * gauge wire used to connect them is to put a diode in the cable going between them. With the band (bolt end on the one in the illustration) toward the tractor. Jim
Diode
 
Would that be similar to the units that are used in a camper, to keep the battery charged while driving, but not discharge the vehicle battery when parked? Sounds like a cheaper alternative than what I bought.
 
Welding cable and Tweco style quick connects for the current a winch would draw. Keep in mind an electric winch doesn't have a very high duty cycle if you want to use it continuously.
 
(quoted from post at 19:02:10 12/08/13) Would that be similar to the units that are used in a camper, to keep the battery charged while driving, but not discharge the vehicle battery when parked? Sounds like a cheaper alternative than what I bought.
Click to expand...

Unfortunately it is not quite that simple. If you add a diode between the batteries to keep the winch battery from also drawing power from the main battery, the diode will also keep the winch battery from being recharged since charging requires the current to flow in the same direction as using the winch.
 
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