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07-04-2016, 08:47 PM #1
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does the battery on trailer charge from tow vehicle?
This may be a dumb question. I am a new owner of a 2950rl and never had a travel trailer before so still figuring things out. Does the rv battery charge when hooked to tow vehicle from the 7 way connector. I want to be able to open up and close the slides while it is in storage with no hook ups around.
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07-04-2016, 09:17 PM #2
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nevermind just found my answer.
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07-07-2016, 10:30 PM #3
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If you are going to store your trailer for prolonged periods I would highly recommend getting a solar battery maintainer. Your battery will last much longer and always be charged for your next trip or maintenance.
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07-08-2016, 11:01 AM #4
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Yeah I definitely will
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08-06-2016, 09:07 AM #5
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What was the answer?
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08-06-2016, 03:13 PM #6
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Yes, when the truck is running. Depending on the make, model & year of truck for charging while truck key is off. I think most, if not all, newer trucks turn off with the key.
Jim (& Sharon)
2015 GD Momentum 385TH - SOLD
For Sale - 2015 Ford F-350 DRW 4x4 Lariat w/ AirLift bags, Titan 65 gal. OEM replacement fuel tank.
The toy:
2017 RZR XP 1000 EPS SE
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08-06-2016, 11:01 PM #7
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Backpacker and tent camper all my life, including BSA as a kid and adult.
Motorcycle trips across the USA with a tent - 1978 to Present.
02-10-2005 - 2002 F350 SWD PSD and 2003 Citation 10'8S mostly for Crater Lake Ski Patrol.
10-29-2015 - 2016 Grand Design 380TH. It's HUGE compared to a camper.
10-19-2018 - traded truck for a 2016 Ram 3500 DRW Laramie CC 4 X 4 Long Box.
03-16-2019 - Traded Momentum for a New 2018 374TH-R Solitude
FULL TIME RV'er Nov 2021
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05-25-2017, 03:27 PM #8
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I tow with a 2002 Dodge Ram 2500. It does have an RV / trailer circuit and relay installed from the factory. 12V is always present on the 7 way connector, truck on or off. So if I left the RV electrically connected to my older Ram for a very long time, it could drain down the trucks battery. Fortunately my Ram is a Cummins diesel so it has 2 huge batteries. Not that I would ever leave it connected that long. Newer Rams I think the 12V circuit turns off with the key.
The truck wire with the 12V circuit the leads to the 7 way and then to the RV controller which in turn charges the RV's battery is very small and cant supply many amps to charge a dead or very low RV battery. So its advisable to always have a fully charged RV battery. In my case since the 12V circuit is constantly on when the truck is connected to the RV, it is advisable to disconnect the 7 way plug when shore power is connected the RV.
So my take on it - Depends on the make of the TV and the year.Steve & Tami Cass - Escapee's, FMCA Members, Texas Fulltimers Since July 2020
2019 Solitude 3350RL S-Class, 2018 Ram 3500 DRW, Laramie Longhorn, B&W Companion, Texas Class A Non-CDL Drivers License
Sharing the Fulltime Lifestyle - www.youtube.com/@tsrvadventures3219/videos, Nonprofit Channel
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05-25-2017, 04:22 PM #9
On some vehicles, it will not charge the trailer battery unless a relay or fuse is plugged in. You can always check to see if charging voltage is available on your tow vehicle by measuring the voltage between pins 1 & 4 on the seven way socket of your truck.
Jim
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