Why are the 12 volt lights working on shore power?

With the 12 volt lights working when on shore power means the charger is working. Look for a large fuse between the batteries and the charger 12 volt output feed to the positive coach battery terminal (s). With a meter you should read a voltage at the positive terminals. They will read very low if no charging voltage is present.

Why do my lights not come on when not connected to shore power?

With 12 volts present when the charger is running when on shore power, one would suspect there is a wire routing issue, as you should get 12 volts from both the charger and or the batteries if things are connected properly. I have a feeling that you do not have 110 volts from the inverter output when you are not connected to shore power.

Can a DC battery be plugged into shore power?

A converter can convert 120-volt shore power into 12-volt DC power. This gives your battery a chance to rest while it’s plugged in. In other words, all your appliances that are powered by the DC power system will work via shore power.

What happens when I plug my RV into shore power?

In other words, all your appliances that are powered by the DC power system will work via shore power. During this time, your battery can get some rest and relaxation before you power it back up when it’s time to get back on the road. Just like any type of battery, you can run the risk of not charging your RV battery enough or charging it too much.

Is it OK to plug in 120 VAC system?

Let’s start at the beginning of the 120 VAC system: Because you said “all appliances are working when plugged in”, you can conclude that: Shore power cord, ATS and power to main 120 AC breaker box is OK, as are at least some of the breakers and the wiring from them to their appliances.

What’s the battery voltage on a motorhome with no power?

The batteries not running are all 12.58. ASSUME YOU MEAN WITH NO SHORE POWER AND ENGINE OFF– THAT VOLTAGE IS OK– ABOUT A 40% DISCHARGED BATTERY. The Chassis battery running is 14.35. VERY GOOD– THAT IS WHERE IT SHOULD BE.

How to replace a 12 volt coach battery?

I am planning to replace the existing 12 volt house battery with 2 – 6 volt batteries and an inverter/charger. Can I just take the positive and negative cables that attach to the house battery and att … read more we turned the batteries off before turning off the generator. The batteries are charged but there is no power to the unit.

Do you have no power in your coach?

I HAVE NO POWER IN MY COACH ON THE 12 VOLT SYSTEM. NEW BATTERYS HAVE BEEN INSTALLED AND CHARGED UP. IF I USE SHORE POWER

What happens to batteries when plugged in to shore power?

When plugged into shore power at the campground, presumably the AC to DC converter will charge the auxiliary battery bank. All the lamps, fans, water pump, etc., still operate on 12-volts DC, just that the DC electricity is provided by the converter instead of the batteries while plugged in.

I HAVE NO POWER IN MY COACH ON THE 12 VOLT SYSTEM. NEW BATTERYS HAVE BEEN INSTALLED AND CHARGED UP. IF I USE SHORE POWER

How to troubleshoot a 12 volt water pump?

If the test light only illuminates on one side of the fuse replace the fuse with the proper amperage rated fuse and try the water pump again. If there was 12-volt DC power at both sides of the fuse check for 12-volts at the water pump switch. There should be 12-volts going to the switch, but not out of the switch until it is turned on.

What to do if your RV has 12 volt power?

If there is 12-volt power going to the interior of the RV you need to check the fuse for the water pump in the power distribution center. Determine which fuse is for the water pump (fuses are normally labeled) and find a suitable ground for the 12-volt test light. Test both sides of the fuse for 12-volt power.

Why did my 12 volt power outlet stop working?

If the voltmeter shows power is reaching the outlet, the outlet itself is probably damaged from repeated use or simple misuse. Though chargers and other plugs are supposed to be of uniform size, some may be bigger or smaller than others.

Why does my 12 volt charger not work?

CARS.COM — If you have a 12-volt power outlet that suddenly decided it didn’t want to work, the first thing to check is whether the phone charger or whatever 12-volt accessory you’re plugging into the outlet isn’t the problem.

How can I tell if my power converter is working?

Diana, get a cheap multimeter (Harbor freight 5$) and check the converter output. RVIA says a properly working converter needs to show a minimum .5 volt rise at the converter. Also, check all of your 120 volt circuit breakers (they look kind of like switches), make sure they’re all on.

Can a 12 volt power converter run without a battery?

Lastly, check the batteries a properly working converter should run the entire 12 volt system even without a battery (though it’s not recommended due to the tendency of converters to let transient AC voltage through, the battery acts like a “filter”).

What happens when a 12 volt light does not work?

Your RV relies on its 12-volt electrical system to power like your water pump, lights, and other necessities. When it doesn’t work, it’s a major problem.

Is the Southwind 12 volt battery charged up?

2004 SOUTHWIND 12 VOLT BATTERYS ARE NEW AND CHARGED UP. 12 VOLT LIGHTS ARE VERY DIM. SHORE POWER WHEN PLUG IN WORKS GREAT. … read more Disclaimer: Information in questions, answers, and other posts on this site (“Posts”) comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.

Your RV relies on its 12-volt electrical system to power like your water pump, lights, and other necessities. When it doesn’t work, it’s a major problem.

What happens if I Disconnect my Refrigerator from shore power?

So suppose you are plugged into shore power and your refrigerator is set on the “auto” function, which means it would normally switch over to propane if the RV was unplugged from shore power. If the disconnect is turned off and if shore power should go out or you unplug your rig from shore power, the refrigerator will not switch to propane.

What are the battery volts on a coach?

The Chassis battery running is 14.35 The Coach batteries running stay at 12.58 Plugged in not running the Batteries are at 12.58 I checked all fuses and breakers and everything is ok not tripped or blown. I then located the converter and tested the volts coming out and they bounce between 11.2 and 13.5 which didn’t seem right to me?

Where is the battery switch on a Monaco?

This makes the switch inoperable but takes care of the solenoid. Monaco has another battery cut-off in the rear of the coach. The front switch is commonly called the salesman’s switch. Located at the door so a salesman can flip the switch as they enter the coach to show it to a prospective customers.

What happens when the battery is cut off in a Monaco?

Then the switch connection (a small wire) is capped off. This makes the switch inoperable but takes care of the solenoid. Monaco has another battery cut-off in the rear of the coach. The front switch is commonly called the salesman’s switch.

Why is my coach battery overcharging on shore power?

Some have claimed that if left connected to shore power for an extended period of time, the charger will “cook” your coach batteries by overcharging them due to a lack of a timer which shuts off the charging circuit.

Is there a 120 VAC breaker for the converter?

First check is that the 120 VAC breaker for the converter is ON. Yes, some older coaches had only a fuse in the converter itself, and no breaker. Anyway, verify that the converter is getting 120 VAC. Record the voltmeter readings at the battery (I would do this for BOTH chassis and house batteries): Battery at rest, no shore power and engine off:

How does shore power switch to inverter power?

Here is our electrical problem with our 40X 2008 Fleetwood Discovery: The shore power is coming in as normal. We are plugged into the CG provided 50 amp power at the pole. This power switches to inverting. The shore power breakers at the pole are not blown or flipped off.

What to look for in a shore power breaker?

Check connections where shore power comes into coach, ATS and all the screws (hot, neutral, ground and main feeds) in the 120 main breaker box. Also look for burnt wires that would indicate poor connection (poor connection is resistance– resistance with power going through it is HEAT).

How do you turn off a shore power pole?

The shore power breakers at the pole are not blown or flipped off. Also, there are no breakers thrown in the breaker box inside the coach. To fix the situation, we flip the pole breakers off and back on (maybe don’t need to do this but we do), press the three switches on the side of the magnum inverter and turn the inverter off and back on.

Can a generator be plugged into shore power?

There is no reason for it to be running when plugged into shore power, the two circuits powered from the inverter will get power directly from a feed coming from the Main AC panel. The same goes for when you generator is running.

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Why are the 12 volt lights working on shore power?