The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

Andy4639 · 03-24-2018, 07:56 PM

I got 2 deep cycle 6 volt batteries. I wired them for 12 volts to run the winch on the ramp truck. I just installed them today so I'm charging them with my 12 volt charger.

My question is how would I wire them to the truck alternator so I can charge them while driving the truck? Also do you think the alternator would even charge them? What do I need to hook it up. I have plenty of cables and I have a blue sea switch that I can mount to turn it off from the system If I need to.
Spec are 48 volts DC max @ 300amps. Shouldn't have any trouble with it.

Right now I have 2 deep cycle 6 volts wired in series to = 12 volts. They are wired to the winch.
If I put a small size cable from the alternator to the cutoff switch then to the + of the first 6 volt battery then ground the 2-6 volt battery to the chassis, that's all I need right?

03-24-2018, 07:56 PM	#1
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,936	Ramp truck winch?????????? I got 2 deep cycle 6 volt batteries. I wired them for 12 volts to run the winch on the ramp truck. I just installed them today so I'm charging them with my 12 volt charger. My question is how would I wire them to the truck alternator so I can charge them while driving the truck? Also do you think the alternator would even charge them? What do I need to hook it up. I have plenty of cables and I have a blue sea switch that I can mount to turn it off from the system If I need to. Spec are 48 volts DC max @ 300amps. Shouldn't have any trouble with it. Right now I have 2 deep cycle 6 volts wired in series to = 12 volts. They are wired to the winch. If I put a small size cable from the alternator to the cutoff switch then to the + of the first 6 volt battery then ground the 2-6 volt battery to the chassis, that's all I need right? Attached Images __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.