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blarsony
Boise, Idaho
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Joined: 07/01/2003
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I have a 2019 AF1150 and don't see any charging of the house batteries while driving, is this OEM or do I need to check for fuse/other issues?
I didn't notice the lack of charging until we recently started boondocking and moving every other day. Our battery bank was always at 100% given we have 340W solar and (3) 100 AH Lithium batteries and didn't use much power. But, I love our new Starlink, the wife likes the espresso and heater in the cooler months, so the inverter that runs all of that 24/7 is now drawing enough power and identified the problem during relocation trips.
Appreciate any help. Its not a huge deal as the solar normally brings all back up, but it would be nice if the rig would charge while driving.
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bighatnohorse
Cave Creek
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Joined: 01/15/2005
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The first check I would make is a voltage check at the batteries with both the solar and the truck disconnected.
(Hopefully, you have an on/off switch to the solar panels.)
Then start the truck and wait for about a minute before checking the battery voltage again. The voltmeter should now be reading a higher voltage charge from the truck.
Are you getting a charge from the truck?
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corvettekent
Marysville, WA
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Joined: 09/21/2014
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Most likely you blew a fuse on your truck, check the 7 pin connector for 12 volt power.
2022 Silverado 3500 High Country CC/LB, SRW, L5P. B&W Companion Hitch with pucks. Hadley air horns.
2004 32' Carriage 5th wheel. 860 watts of solar MPPT, two SOK 206 ah LiFePO4 batteries. Samlex 2,000 watt Pure Sine Wave Inverter.
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theoldwizard1
SE MI
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blarsony wrote:I have a 2019 AF1150 and don't see any charging of the house batteries while driving, ...
First, verify that you ARE getting power from the truck.
Second, you really need a DC-DC charger. It creates the proper voltages to charge your lithium battery (different voltages than lead acid).
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SoonDockin
Oklahoma
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Joined: 03/25/2014
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^^^^^^ Yes Victron make a nice DC/DC charger. I have a 30 amp one and it will keep my batteries topped off and refil if we use the AC or microwave during the day. We have a 12v fridge and it easily keeps the batteries topped off with that. I then disconnected the 12v line in the 7 pin connector.
* This post was
edited 09/06/22 09:06am by SoonDockin *
2022 Ram Laramie 5500 60" CA New pic soon
2018 Arctic Fox 1140 Dry Bath
Sold 2019 Ford F450 King Ranch (was a very nice truck)
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pianotuna
Regina, SK, Canada
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Joined: 12/18/2004
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I 3rd the dc to DC option.
I did replace the charging fuse in my class C with an automatic circuit breaker.
Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.
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blarsony
Boise, Idaho
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Thanks to all.... Power from the truck was the issue, the bed connector was the culprit. However, taking SoonDockin's and others great advise and ordered all the components to install a dc/dc charger.
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