John, you should be able to put up to 1,590 pounds in that trailer while still being within the ratings. Now that's a LOT of stuff, unless you're hauling something particularly compact and dense, like sacks of concrete or something! The recommended maximum tongue weight is usually about 1/10 of the gross weight, IIRC, as a rule of thumb.
I'm not real familiar with the Chevy product line-- is the Venture a front wheel drive?? Towing is a little harder on front wheel drive vehicles than rear wheel drives, because of the way their built. I WOULD recommend adding a transmission cooler in front of the radiator when pulling a trailer, simply to keep the transmission temps down, which will help the life of your transmission at any rate. You'll also need a good solid tow hitch installed on your van. The most reasonable prices will be found at Tractor Supply Company, Big R, Rural King, and other 'farm supply' type stores... the trailer places tend to 'clean your plow' since they figure if you've got money for a trailer they can sock it to you on hitches. You can also get wiring adapters from Hopkins (or "Hoppy" brand) that connect to the existing wiring of your vehicle for trailer lights. These adapters plug right into the wiring harness using the existing connectors in the vehicle. You simply unplug the male and female connectors from each other near the taillights in the vehicle wiring harness, plug in the adapter "Y" between the male and female, and then connect the supplied trailer wire extender and pigtail into that and run it to near your hitch ball. Make sure you have a good ground connection to clean metal (like the bumper, frame, etc) so the lights will work, and make sure the trailer has a good ground on it's side as well, like a screw to the hitch or trailer frame to it's trailer light connector plug.
Does the trailer have brakes?? I'd guess probably not in this size range, as the vehicle brakes should be adequate for it, but if it DOES have brakes (and assuming you want to use them) you'll need a brake controller installed on the tow vehicle. They have some really good ones now, using microcontrollers, and they're much easier to install and use than they used to be. We tow everything with half ton pickups, and don't need or use trailer brakes, so we don't have the controllers. Main thing is, when driving, realize that you're pulling a trailer and need more time to stop and manuever, so watch farther ahead and SLOW DOWN some and give yourself more time to stop. Also watch on hills and stuff...
Anyway, hope this helps. There should be towing information on the door jamb sticker of your van, with the wheel info, axle options, GVWR, GCWR, trailer towing capacity, etc. on there. Realize too that these are "official" numbers and not necessarily absolutely correct-- I've pulled 26,000 pounds of pickup, trailer, and grain sorghum behind my 92 F-150 half ton pickup 26 miles to the grain dryer when I was farming grain (flat land, no hills). Now I didn't exceed 20 mph like that because with no trailer brakes, the pickup simply didn't have the brakes to stop that much weight, but pulling it was no problem. I could safely drive 45 mph coming back, as the trailer was a little over 2,000 lbs. empty. We typically pull a 1,500 pound 16 foot flatbed trailer with (3) 1,500 pound round hay bales between our farms here and at Shiner every week feeding cows, and I typically drive 60 mph with that rig, loaded and unloaded, even on hills. I've also pulled a 2,000 lb. fertilizer nurse tank with 16,000 lbs of liquid ammonia and a 3,000 lb. field applicator hitched behind it... but hauling that much LIQUID and having it slosh when you hit the brakes, THAT gets hairy!!!
Good luck! OL JR
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