It sounds like the battery charger you are using is overcharging the first battery and the second battery is not receiving any charge. This could be the result of using the old style trickle chargers that are not really designed to charge batteries in parallel.
You may also have one or both batteries that are bad and need to be replaced. I recommend getting the batteries tested and replacing if one or both are bad. Then I recommend using a different charger such as CTEK charger # CTEK56353.... view full answer...
To be of assistance because you have 3 batteries, I will need to know how they are wired. I assume you have one battery for a vehicle start battery and then two house batteries wired in parallel. This is the most common way 3 batteries are connected in motorhomes.
It sounds like your primary start battery is being drained by your other batteries, so even when it is fully charged as soon as you connect it, it loses amperage because of the draw from the other batteries that need to be charged.... view full answer...
Whether you are wiring the two 6V batteries in series or parallel, you will want to ground the batteries. I've attached a photo to assist. Grounding your batteries will make all of the other components you connect to the batteries work properly and will also protect your batteries.
I recommend connecting your batteries using the Deka 2/0 Gauge Overmolded Battery Cable Harness Assembly - Red - 7" Long # DW04362 and Deka 2/0 Gauge Overmolded Battery Cable Harness Assembly - Black - 7"... view full answer...
From what you described it does not sound like your problem is caused by the Progressive Dynamics Converter/Charger, so you will not have to replace it. I do have an option to better charge the 6V batteries on your RV with your 2014 Toyota Tundra, but I suggest checking the wiring on your 6V to make sure they are wired correctly. The batteries should be wired in series for your situation. I have attached a picture to illustrate how the wiring should be.
Your Tundra is probably not charging... view full answer...
The breakaway battery would usually be maintained from the 12-volt circuit coming off the 7-way trailer connector. You can test the battery with a volt meter to see if it's still good. It's unlikely that the breakaway battery would deplete the battery for the trailer jack.
It's not unusual that you need to recharge the battery for the jack every once in awhile, because the power wire form the 7-way does NOT have enough grunt to recharge the battery once it's depleted. It can maintain a... view full answer...
Without knowing the details about your charger or battery type or capacities I can speculate that the one battery may require reconditioning or de-sulphation, or it may be no longer able to accept a full charge. Battery chargers like # CTEK56353 include a de-sulphation stage that can often "revive" a lightly sulfated battery. It accomplishes this with carefully monitored electronic pulses of energy that help to break down the lead sulfate crystals, allowing the battery to accept charge... view full answer...
If the Converter # PD4645V for your Parallax 7300 is converting power from 120 volt to 12 volt but your battery is not taking a charge you will either have a wire damaged/disconnected wire or the battery needs replaced. Depending on the age and condition of your battery it may not be able to take a charge. You will typically have to take your battery out to take it to a auto shop to have it tested. We do carry a Battery Charger # MA57JR which you can use to attempt to charge the battery... view full answer...
A single 12V battery can be replaced with two 6V batteries that are wired in series. This wiring arrangement is shown in the linked image. Two 12V batteries in series produce 24 volts; two 6V batteries in series produce 12 volts.
If the batteries are wired in series, the positive terminal of one battery will be connected to the negative terminal of the other. This would double the output of the batteries, so two 6V batteries wired in series would provide 12 volts of output. Current capacity... view full answer...
First, a trailer battery cannot be charged up from the 12 volt circuit on a 7-Way connector. The 7-Way can only provide a maintenance charge which will keep the battery at is current charge level. It is possible that the battery is back feeding when the truck is turned off and the trailer is still connected.
You may also need to increase the size of the wiring. Wiring that is too small a gauge may not be able to handle the power draw. A short circuit or corrosion in the trailer connectors... view full answer...
There is always going to be power going to the breakaway switch but that power will not go anywhere unless the pin is pulled. And if the pin is pulled your brakes would lock up. There could be something else that is draining the battery. Check all the wiring to the battery, brakes, and break away system. You will be looking for loose or broken wiring, corrosion, and loose connections. Clean off dirt and corrosion on the wiring/connectors.
You should also know that the 12 volt circuit from... view full answer...
I would be happy to walk you through how to check that the house battery in your 2013 Forest River RV built on the 2013 Chev 4500 chassis is being charged.
The most cost effective way is just using a multimeter # PT29ZR set to the volt setting and testing your house battery. A fully charged battery will be 12.6+ volts, and and a battery at 50% will be around 12.06-12.1v. If you have a lead acid house battery you do not want to go below 50% or you can severely shorten the life span of the... view full answer...
The Bright Way Solar Battery Charger # BRW54FR would not be able to drain the battery on your gooseneck trailer. Something else must be draining the battery while it is hooked up. This is designed to trickle charge and keep your battery topped off. If something else is pulling power, it will outpace any charging from the solar panel and might appear as though this is draining the battery. view full answer...
Thank you for all of the details and photos! It looks like you have the Deka Battery Isolator # DW08771 installed and you should have only 1 wire going to each terminal. I believe you're correct that the previous owner just winged it so we need to get that fixed. If we test the isolator and it's bad then I recommend replacing it with the one mentioned above and wiring everything as it should be.
To test the isolator what you need is a multimeter like part # PT89ZR. Set the multimeter to... view full answer...
A possible reason that you're seeing the voltage drop from 14v to 12v is being the alternator is charging the motorhome battery and it's now being placed under a higher load having to charge the towed vehicle battery. The best way to check that your vehicle's battery is actually being charged by the Roadmaster Battery Charge Line Kit for Towed Vehicles # RM-156-25 would be to hook everything up but remove the connection to the towed battery and test the voltage on the wire to see that voltage... view full answer...
The best way to ensure adequate power for your towing rig is to fully charge both the vehicle and trailer batteries before heading out. A simple tool like the CTEK MULTI universal charger # CTEK56353 will work on both your vehicle and trailer batteries to "top them off" before you head out. This charger has specific modes for both smaller batteries and for car batteries.
If you want to have a fool-proof way to avoid the trailer battery from draining the vehicle battery, you can install... view full answer...
It sounds like the house battery is backfeeding onto the breakaway battery charge line so as long as the ground is connecting it is taking a charge from the tilt battery and that is why your charge light is staying on.
I have a solution for you, you will need a single function diode part # RM-690. You will need to wire it in between the breakaway battery and the tilt battery and it will stop the backfeeding from your tilt battery to the rest of the 12 volt circuit wiring of your trailer.
Check... view full answer...
Yes, there is a charge line kit that will eliminate this issue for you. You will need the following items:
Roadmaster Battery Charge Line Kit for Motorhomes, part # RM-156-75
Roadmaster Battery Charge Line Kit for Towed Vehicles, part # RM-156-25.
The motorhome charge kit will connect that battery to your 6-way connector on the rear of your motorhome. The battery charge line kit for towed vehicles will connect your 2020 Jeep Wrangler Rubicon's battery to its 6-way connector. Once connected,... view full answer...
Yes, it is indeed likely that your trailer breakaway batteries were depleted from the accidental tripping of the breakaway switch (but good for you for doing the yard work!). If your main trailer batteries have a charge line to feed the breakaway battery then they could have been depleted as well. Breakaway batteries are required to be able to apply full braking power (in the event of a disconnect) for about 15 minutes; this may vary slightly depending on the particular system and the number... view full answer...
When using an item like the Progressive Dynamics RV Power Control Center # PD4135K to charge your RV batteries it is important to confirm the batteries are a compatible type. This unit works with several battery types: flooded lead acid, AGM, and gel batteries. The instructions for this item are linked for reference.
You'll also want to note that RV batteries will last for a finite number of charge-discharge cycles. A deep cycle battery usually has a lifespan of about 200 charge-discharge... view full answer...
If you have a 12 volt system on your camper, you will need to wire your 6 volt batteries (in series), like the attached drawing shows. You would need to run a jumper from the positive side of one battery to the negative side of the other battery. This would provide the 12 volts needed.
If you have wired the 6 volt batteries (in parallel) as the 12 volt batteries were probably run, you are not providing enough current for your camper, causing the draw to blow the fuses.
If you have a... view full answer...
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