waddisme

Power supply for winch went dead so I was going to make set of jumper cables to run from truck battery to winch on trailer, about 25 ft. Winch is the HF 91781(?) 12v with 6 ga wires already attached. I guess there is some kind of formula for distance x resistance x power?

varkwso

PM TimZo6

JDIllon

That should do it. But I feel it is easier to put a deep cycle battery in a battery box on the trailer and charge it once in a while. Than mess around with a cable from the truck. Just my thoughts. JD

waddisme

I have only had to use the winch 1 time this year. Seems like a lot to tend to and carry another battery. I liked the one I had from HF, but it quit charging after year and 1/2. But it did have air comp, ac/dc power. Kind of handy at track and around garage. Haven't really found another I liked. Will pm timz06.

Thanks.

varkwso

I need to get around to installing my winch in the trailer!

travisnd

I have a battery box on my trailer and keep a spare battery for it. I keep the battery on a trickle charger when I'm not using it. I use my winch to load the car every time now.... so much easier then dealing with getting in/out.

Jason

You can get a spool of battery cable from tractor supply fairly cheaply so you can make one continuous run.

TRACKMAN2

i also have a heavy 2 guage wire running under the truck to a jumper cable clamp and a ground cable in a box by the tailgate. i have a kill switch under the hood to power it up... i use it because the batteries in every thing are always dead. got me out of a jamb when my battery died in a full parking lot couldnt get anyone close to the front of the truck hooked up the aux cable vroom!!! would of been there for hours waiting for those parked around me to leave

waddisme

Amazon has a 25ft set of jumper cables for $50. Going to measure to make sure it will reach to front of trlr. Simple enough for occasional use I hope.

gotz06?

Timz06

That will be more than enough. 6 gauge can carry approx 100 amps and will have a voltage drop of 1 volt at 25 feet.

According to the manual page 6

http://images.harborfreight.com/manu...1999/91781.pdf

You can pull 2000 lbs with 120 amps which is a lot more than you will need.

Manual says it comes with 50' of 10 gauge.

Tim

jlutherva

I use a small lawn tractor battery for the winch and break-away system. On late model GM vehicles, there is a battery feed built into the trailer connector. That feed keeps the battery charged. In addition, on 2008 models (and later i assume) when you use the "Trailering Mode", the voltage is boosted to help charge the battery. I've never had a problem with the battery discharging nor being inadequate to run a 3000 lb winch.

Now if I could just keep the darned winch working.

Jim

Painrace

From my racing days, I have a bettery that will fit the Corvette in my trailer and it is charged when the trailer is hooked up and is being towed. If I have have a problem with the Corvette battery I have a spare that will also fit the tow vehicle. If you hit something with the Corvette a winch can really help loading the wrecked car into the trailer. Just my 2 cents.

Jim

Falcon

...and a moving dollie.