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Buying a hitch reciever and wiring question
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706 Posts
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October 19, 2015 - 5:39 pm
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After totaling the last tow vehicle when a GMC 3500 work truck decided he wanted to be in the spot I was already in, I took the opportunity to upgrade and get a TV that can haul 5,000 lbs with the upgraded transmission cooler, alternator, etc... At least when I'm ready for a hybrid I won't have to deal with a 3,500 lb max.

This TV didn't come with a hitch, so I'm planning to have it installed at U-Haul.  There's two hitches offered, one says
"Round tube- Max weight 5000 lbs" then there is one that is $50 more that says "Round tube- Max weight 5000 lbs, weight distribution 5000 lbs". 

Also it looks like u-haul only installs 4 pin connectors.  Will I need a 7 and end up kicking myself?  I realize I'll still be going pretty lightweight with a max towing capacity of 5,000 lbs, so no TT in this hitch's future.

I don't want to buy what I don't need, but I'd like to do it right the first time and not have to redo something in a few years.

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420 Posts
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October 19, 2015 - 6:01 pm
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What kind of vehicle did you buy and how much is Uhaul charging? A lot of hitches you can do yourself since they are already predrilled. Wiring wise you should get a 7 pin harness system since your pop up should be 7 pin and any hybrid will be 7 pin as well. I got my Jeep and old van done at a trailer shop for a decent price. If you don't want to try and tackle yourself or have someone help you, I would look for another place that sells trailers and does that kind of work. Not a camper dealership, but a box trailer kind of place. Get the hitch and wiring done at once. Check etrailer.com, they have a lot of good videos and they may have one for your vehicle on installation. I'm just not a big fan of uhaul.

Best Regards,
Norm

Sent from my iPhone using Tapatalk

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420 Posts
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October 19, 2015 - 6:42 pm
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Cindy, Do you live near Boothwyn? Have you checked this guy out for a price? http://thehitchmaninc.com/
May be an option for you.

Best Regards,
Norm

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2545 Posts
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October 19, 2015 - 8:20 pm
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The reason they probably don't do 7 pin hookup is because of the extra wiring and brake controller.  You need 1/2 a brain for that and you experienced U-Haul hitch installation a few months ago on your santa fe. The 4 pin hook up is just a matter of plugging 2 wires into your tail lights. 

I suggest do the 4 pin now since that is all you need and then later on down the road add the wiring for the extra 3 wires.  The 7 pin hook up actually has a 4 pin plug in the back and 3 wires dangling to be hooked up so having the 4 pin later will be helpful. 

Matt O 2006 Skyline Nomad 27' travel trailer.  Previously owned 1986 Coleman Columbia / 1992 Coleman Senecca / 1989 Born Free Class C RV.

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463 Posts
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October 19, 2015 - 9:31 pm
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If her TV doesn't already have the hitch then it probably doesnt have the tow package???? Would you need a tranny cooler?

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706 Posts
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October 20, 2015 - 12:02 am
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[quote author=Elmira Fudd link=topic=3440.msg33770#msg33770 date=1445304685]
If her TV doesn't already have the hitch then it probably doesnt have the tow package???? Would you need a tranny cooler?

It's got all that. Trust me. After safety and reliability towing was a top priority!

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October 20, 2015 - 5:32 am
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Buy your hitch and four pin from e trailer and drive up to the Poconos. I'll install it for a case of beer. As far as a 4 pin vs 7 pin. The 4 pin wire will connect to the 7 pin when your ready for it. The hitch and 4 pin will take an hour to install. Add 2 hours for the 7 pin. If you need to run a 12 volt fridge while driving. Then the 7 pin is an option. Actually most set ups only use 6 of the 7 pins. The 7th is for back up lights. And the 6th is for  brakes. Call e trailer tell them your needs and they will set you up.

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October 20, 2015 - 8:58 am
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Guitarman is right......I know my 7 pin is only the 4 pin for the lights and then 1 wire for the brakes.  I don't have the 12volt constant hooked up for the fridge and I don't have the backup lights set up. 

Matt O 2006 Skyline Nomad 27' travel trailer.  Previously owned 1986 Coleman Columbia / 1992 Coleman Senecca / 1989 Born Free Class C RV.

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October 20, 2015 - 9:08 am
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First I thought your trailer had brakes.....

Second, it makes more sense to wire for 7 pin even if you don't need it or a brake controller right now. Most new end connectors have both the 7 pin round and 4 pin in the same mounting connector, then you can use anything.

Martini Glass The happiest people don't have the best of everything, they just make the best of everything that they have!
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706 Posts
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November 14, 2015 - 9:48 am
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Thanks for explaining the witing, it definitely makes more sense now.
Uhaul charged about $310 for everything (plus extended warranty for hitch and wiring). The dealership was charging $800, a RV olace recommended by a friend was at $700, and another friend offered to do it for $500. I decided to go the quick and easy route and do uhaul. I don't like that they're too lazy to drill a hole and fish the wiring outside of the car, so instead I have to pull the wiring out of the trunk storage and close the trunk on it, but I guess with an extended warranty (I think lifetime) it's not too big of a deal. For a difference of $200 it just made sense to go uhaul for now.
I'll wait until I'm ready for a HTT and deal with the wiring then. At least now I know I didn't screw myself by going 4 pin for now.

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Eastern Pennsylvania
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November 15, 2015 - 11:36 am
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$300 is a great price, the hitch and wiring cost that alone at etrailer.  The warranty sounds great unless you are leaving for a camping trip and your lights don't work because you are closing the door on them.  You could loose the weekend of camping and your reservation money.

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November 16, 2015 - 8:44 am
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I have been thinking of putting a hitch on DW's Honda Odyssey minivan.  It won't tow the TT but I have a utility trailer that I may want behind the minivan at some point, a bike rack in the future, and I do have one of those cargo racks as well.  I'll keep U-Haul in mind.

Matt O 2006 Skyline Nomad 27' travel trailer.  Previously owned 1986 Coleman Columbia / 1992 Coleman Senecca / 1989 Born Free Class C RV.

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