How to charge the chassis battery

Charging Methods for Chassis BatteriesUsing Shore Power When parked at a campground, you can plug your RV into a shore power outlet. While Driving Your RV's alternator automatically charges the c...

Industry
Aug 03, 2025

Newmar My Site Chassis Battery Not Charging

Chassis Battery Not Charging: RickGyver: Monaco Owner''s Forum: 16: 08-07-2011 07:16 PM: Bounder: 2004 35E Power Converter/Charger not charging the chassis battery. AB7OH: Fleetwood Owner''s Forum: 4: 02-20-2011 11:02 PM: chassis battery not charging: woodlash: MH-General Discussions & Problems: 4: 04-23-2010 03:46 AM: F53 Chassis

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Sep 19, 2025

How to Charge Chassis Batteries in an RV: A Complete Step-by

If you''re at home, you can charge your chassis battery using a dedicated charger. Choose a charger compatible with your battery type, connect the clamps to the terminals (red to positive, black to negative), and monitor the process. A trickle charger is a great option for

Industry
Aug 07, 2025

Coach is draining chassis battery when boondocking

So after some testing, I believe that the battery isolation module is faulty (stuck closed). It is a BIM 160. When I test the voltages on my chassis battery and my house batteries they all read the same values (12.6v). When I disconnect the chassis battery and test the voltages, the chassis battery reads 13.5v, and the house batteries 12.6v.

Industry
Aug 22, 2025

Charge Your Chassis Battery By Solar Panels: A Complete RV

What Equipment Is Needed to Charge a Chassis Battery with Solar Panels? To charge a chassis battery with solar panels, you need specific equipment to ensure efficient power transfer and battery maintenance. Main Equipment Needed: 1. Solar panels 2. Charge controller 3. Battery 4. Inverter (optional) 5. Connecting cables 6. Mounting hardware

Industry
Dec 16, 2025

How to Hook Up a Battery Charger (with Pictures)

An automobile''s battery provides the electricity necessary to start the car and to run its electrical equipment. Although an automobile battery is normally charged by the car''s alternator while the car is running, there are

Industry
Apr 22, 2026

Charging the MB Chassis Battery

While it started right up I still worried that the chassis battery was keeping its charge so I ordered a couple of Battery Tender Solar 10W Charger/maintainers for both the chassis and coach batteries. The Battery Tenders have a quick connect fitting that you attach to the battery terminals so its easy to connect and disconnect anytime.

Industry
Sep 03, 2025

Chassis battery trickle charging. | Sprinter-Source

I added this trickle charger which keep the chassis battery topped from solar or shore power. Ties into the solenoid under the passenger seat. Attachments. CBCEBD16-2377-4B67-93E8-1F4B7FA0FC43.jpeg. 479.1 KB · Views:

Industry
Aug 27, 2025

Best ways to charge house and chassis (engine) batteries in an RV

If you don''t want to add a solar panel for chassis... you can use a small battery tender to the chassis IF your chassis/starter battery does go flat... simple matter to use jumper cables or reconnect the BIM 5 minute job to re-attach the BIM wires.. most of the time is spent looking for the tools!

Industry
Mar 29, 2026

How often to charge chassis battery?

Tiffin usually installs a small maintenance charger for the chassis battery so it is kept charged when plugged in. This maintenance charger may have stopped working. I would try and find it and see if it is plugged in and working. Not sure if your coach has this or where it would be located on your coach but a quick call to Tiffin service could

Industry
Apr 28, 2026

How to use solar to charge house and chassis?

Half and half for me. My solar and shore power/generator keep the coach batteries up, and I run a portable Stanley Fatmax 8A maintainer charger off the 1000W inverter and plug it into the always "hot" 12VDC outlet under my ashtray to keep the chassis battery charged, while the RV sits idle.

Industry
Jan 25, 2026

Charging chassis battery with boost switch?

Another question on the battery boost switch. I have a Travato and unlike my other previous four RVs it is not set up to charge the chassis battery from Shore power/generator. So, while my house batteries remain fully charged from my solar panels, the chassis battery degrades slowly over time. My question is how robust is the battery boost switch?

Industry
Nov 17, 2025

Charging Chassis Batteries/Coach Batteries

The invertor will charge the house batteries first, then the solenoid will close at about 13.1 volts allowing the main battery to be charged. When you are travelling down the

Industry
Apr 17, 2026

How to Charge Chassis Batteries in RV? | by Ava James | Feb,

Using a Battery Charger: If the chassis battery is significantly discharged, you can use a portable battery charger. Ensure the charger is compatible with your battery type (e.g.,...

Industry
Oct 07, 2025

Does chassis battery charge when on shore power?

When the battery reaches a nominal 13.2vdc, there will be approximately a 15 sec. (Rev. 5 ~1 min.) delay and K3 will pull in. Unplugging converter power, both batteries must discharge to a nominal 12.2v before K3 drops out. Starting the main engine or connecting a charger to the chassis battery will charge it. When the chassis battery voltage

Industry
Mar 04, 2026

How to Charge Chassis Batteries in an RV – Power

To charge your RV chassis battery at home, follow these steps: Identify Battery Type: Check if it''s lead-acid, AGM, or lithium. Select a Charger: Use a charger compatible with your battery. Setup Charger: Position near the

Industry
Jun 28, 2026

Keeping chassis batteries charged up

Most recently was the discovery that the charging unit for the house batteries does not take care of the chassis batteries. Luckily this was discovered at home vs some remote location. I was not sure if this was a missing feature of our motorhome or another one of the 1st year errata items for the list.

Industry
Apr 10, 2026

How Do You Charge Chassis Batteries?

If the charger is working, proceed to the next step. Secondly, you need to check the voltage on the chassis battery. This voltage should be exactly equal to the voltage reading on the house batteries, because they should be connected together by the charging circuitry in the BCC (Battery Control Center) box.

Industry
Feb 26, 2026

Does Solar charge Chassis Batteries?

If "YES", I''d assume the Chassis battery Master on/off switch would be in the "off" position during storage, but the Solar will still charge the Chassis batteries after the House batteries are charged. 2. If "No" is the answer to question #1 above, I would assume I could replace the Jaboni Solar Controller with a new Go Power Solar Controller

Industry
Apr 17, 2026

RV Coach vs. Chassis Battery

Can my chassis battery charge the house battery? Yes. A chassis battery will typically charge the house battery in most RVs while the RV is driving. A solenoid connects the 2 batteries and allows charging when there is a key in the ignition turned to on. Just make sure to start

Industry
Sep 24, 2025

How to Charge Chassis Batteries in an RV: A

Here''s a detailed guide on how to effectively charge your RV''s chassis batteries, focusing on methods that RV users care about the most. Understanding Chassis Batteries. Chassis batteries are typically lead-acid batteries designed to

Industry
Oct 16, 2025

should the chassis battery charge while on shore power?

Is there a procedure to start the chassis battery charging. Thanks. The question should be where is the echo charger located on an 05 allure. There are lights on the echo charger indicating its status. On my 05 inspire it was located above the chassis battery. on my current rig its located in the electrical bay.

Industry
Jan 23, 2026

How To Charge Chassis Batteries In RV? Easy DIY Guide

Charging your RV chassis batteries is essential for ensuring your vehicle is always ready for your next adventure. You can do it via the following 3 methods. 1. Using An

Industry
Jan 14, 2026

Chassis / House battery charging question.

I will charge chassis battery with a 120v/12v battery tender. 120v plugged into an interior coach outlet. 12v plugged into the Ford dash power port. When in storage or long term camping I will be able to maintain all onboard batteries. Tags: battery, charging, chassis:

Industry
Jan 28, 2026

Trickle Charging House and Chassis Batteries

After consultation with dealer & Newmar and research on my own, my procedure is to disconnect the chassis & house batteries and flip the main house breaker in the bedroom closet. I then connect a battery maintainer/conditioner to both the chassis & house battery bank. I have 2 12v AGM chassis batteries and 8 6v AGM house batteries.

Industry
May 25, 2026

Charging Chassis Battery from the Converter

Thanks guys. I should have mentioned I have looked into trik L start and also thought about plugging a trickle charger into a 120 V outlet and running the charge leads to the chassis battery (with the house battery switch on and on shore power).

Industry
Apr 23, 2026

How to Hook Up a Battery Charger (with Pictures)

An automobile''s battery provides the electricity necessary to start the car and to run its electrical equipment. Although an automobile battery is normally charged by the car''s alternator while the car is running, there are times when the battery dies for various reasons and needs to be connected to a charger. When jumpstarting a car you essentially give the dead

Industry
Dec 24, 2025

Does Shore Power charge my dead chassis battery

I believe the question was how to charge the chassis battery when the RV is plugged into shore power. If you WANT to buy a battery charger and carry it in the RV, that will work on the posts in front. But if you want to use only a simple wire to carry to get the same done, put the strap on the mode solenoid and let it do the work using the

Industry
Sep 22, 2025

Ask Dave: How to tell a house and chassis battery apart

The chassis battery was a 660 cold cranking amp (CCA) battery, and since it was a Chevrolet chassis, it was originally a Delco. However, 25 years later, it would have been changed by now. You should be able to identify it by the description of CCA and typically side posts. The converter should kick in to either charge the battery (if it is

Industry
Feb 04, 2026

Charging the House Battery???

The battery for the chassis does not charge from the converter in our RV though. I had a string that is how I “charge chassis from converter”. 11-03-2023, 11:12 AM #3: craigav. Senior Member . Join Date: Mar 2017. Location: North

Industry
Sep 15, 2025

Chassis battery replacement

I have a 2009 43QRP Allegro Bus. Need to replace the chassis batteries (they went to 1.4 Vdc, and the house charger never kicked in to charge?) Looking in the engine compartment, I simply cannot see how to get the batteries out.

Industry
Jun 06, 2026

Replacing Chassis Battery – View Navion Motorhomes Support

Disconnect your chassis battery from the Sprinter chassis by pulling the plug next to the accelerator pedal. ALL your chassis lights should go out. but others may want to have Walmart or someone else install it for you. Walmart will probably charge since this installation is another Mercedes over-engineered PITA that takes time AND skill

Industry
Feb 21, 2026

Charging chassis battery. | Thor Forums

Not in my 20L, so I do not have ''bi-directional charging, and have to use a trickle charger on my chassis battery al winter, or periods more than 3 days at rest. I installed one inside so I can charge when plugged in. I like NOCO or Battery Minder as well- they have desulfation phase, where the ''Tender'' does not.

Industry
Feb 23, 2026

Chassis Battery Charging

To verify, check the voltage at the chassis battery with a volt meter. Connected to shore power you should have between 13.2 and 14.4 volts. Disconnected from shore power

Industry
May 20, 2026

Charging chassis battery

I have a 2020 Vita 24P and wanted to charge chassis battery while plugged into shore power. Can I use 12V socket in Mercedes Sprinter lower dash (not cigarette lighter) to

Industry
Jul 11, 2025

How to Charge Chassis Batteries in RV – Sunrich

Step-by-Step Guide to Charging a Chassis Battery. Follow these simple steps to safely charge your chassis battery: Pick a charging method: Select the right charging method based on your situation (e.g., alternator,

Industry
Jul 29, 2025

Chassis battery died

Connecting to shore power will NOT charge the chassis battery so the only way to charge it is to either drive it or connect a small trickle charger. I purchased a Battery Tender from Wal Mart and wired the quick disconnect directly to the battery underneath the drivers feet. Simple to install.

Industry
Apr 12, 2026

Chassis Battery low voltage

I''d suggest you begin charging the chassis battery and jump it so you can then drive to auto store to have it tested. Or, if it won''t hold a charge or jump; pull out your battery and take it in for testing and replacement. To jump/charge the van/chasis battery, the procedure is written out in the MB manual.

Industry
Jul 11, 2025

Chassis batteries

For yrs Tiffin was installing Battery Minder unit that only charged chassis battery bank when coach was connected to shore power. Most of us have installed a Amp L Start unit. Which uses the house bank to charge the chassis bank. Simple installation of three light gauge wires. AMP-L-START Starting Battery Charger/Maintainer - Overview Page

Industry
Oct 08, 2025

How to Charge Chassis Batteries in an RV: A Comprehensive

While Driving: Simply driving your RV regularly can help keep the chassis battery charged, as the alternator charges the battery just like in a car. Shore Power: When parked, connecting your RV to an external power source (shore power) can also charge the chassis battery if your RV is equipped with a battery isolator or similar system that

Industry
Sep 04, 2025

Charging the Chassis Battery

My chassis battery does not seem to be charging while stationary and plugged into 50 amp service. The house batteries are charging. I have a sense that the chassis battery should be receiving a charge no different than the house batteries.

Industry
Feb 01, 2026

Do RV Batteries Charge When Plugged into Shore Power?

An echo charger takes a portion of the charging current from the chassis battery (once it nears being fully charged) and supplies it to the house battery bank, and can be installed after-the-fact if your RV didn''t come with one (like this unit from Xantrex, available on Amazon).

Industry
Feb 26, 2026

Using Solar to Charge the RV''s Chassis Battery

I know we just did this video a week or two ago, but we recently visited Zamp Solar HQ in Bend, Oregon and they showed us a better way to do this that requir...

Industry
May 17, 2026

Does the House Battery Switch need to be on to charge the

(“Disconnect State” means whether the House Battery Switch is turned on or off.) GL/KL: Pure3 is different. No charging occurs driving or solar unless the system is on. If you plug a Pure3 coach into shore power, the system will wake up automatically and start charging.

Industry
Sep 06, 2025

How Do You Charge Chassis Batteries?

As I stated in this topic when I suggested that you start this one, your chassis batteries should be charging from your on-board charger, either a converter or

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