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Message
re: Camper Electrical Fun
Posted on 1/19/24 at 2:11 pm to AUjim
Posted on 1/19/24 at 2:11 pm to AUjim
Like others have said, most RVs have a 12 volt DC system that is powered by the battery. This usually powers all lights, slides and water pumps. The battery is kept charged by an internal battery charger that requires 120 volts AC power.
To power the outlets, HVAC, microwave and water heater, you need AC power, usually 30 or 50 amps to run these. Usually 50 amps/220 volts if it has two air conditioners and 30 amps/120 volts if only one.
Why would you disconnect the battery and plug in ground power?
To power the outlets, HVAC, microwave and water heater, you need AC power, usually 30 or 50 amps to run these. Usually 50 amps/220 volts if it has two air conditioners and 30 amps/120 volts if only one.
Why would you disconnect the battery and plug in ground power?
This post was edited on 1/19/24 at 2:13 pm
3
Posted on 1/19/24 at 3:11 pm to bhtigerfan
Last summer, I found that my trailer battery was not getting 12V power to the lights. Battery was only 2 years old. I had checked / added water a few months earlier.
After checking fuses, I looked at the battery. The negative connection was very badly corroded.
A couple of years ago, my lights stopped working. I found the battery had no charge and the very old inverter was not putting 12 volts. The new inverter was about 1/2 the size of the old one but did not come with 4 fuses to run the trailer 4 separate curiets
After checking fuses, I looked at the battery. The negative connection was very badly corroded.
A couple of years ago, my lights stopped working. I found the battery had no charge and the very old inverter was not putting 12 volts. The new inverter was about 1/2 the size of the old one but did not come with 4 fuses to run the trailer 4 separate curiets
Posted on 1/19/24 at 3:32 pm to bhtigerfan
quote:
Why would you disconnect the battery and plug in ground power?
The battery I do have is old and needed replacing.
But also, why does it matter? Why can't I just run the whole thing off of the AC power?
Posted on 1/19/24 at 3:44 pm to bhtigerfan
Last summer, I found that my trailer battery was not getting 12V power to the lights. Battery was only 2 years old. I had checked / added water a few months earlier.
After checking fuses, I looked at the battery. The negative connection was very badly corroded. I cut off the bad wire and all was good after reconnecting.
A couple of years ago, my 12V inside trailer lights stopped working. I found the battery had no charge and the very old inverter was not putting out 12 volts. The new inverter was about 1/2 the size of the old one but did not come with 4 fuses to run the trailer 4 separate circuits. So I had to take the old fuse panel out and install it next to the new inverter.
Also while doing this work, I added a 110V outlet to make it easier when doing work in the trailer.
I have some water damage now from a roof vent cover that had broken off and I did not find the problem until I saw the damaged wood. I will start that work next week, after this next cold weather. I hope this will only take a week or 2. I will have to remove a storage cabinet to replace the wall panel.
After checking fuses, I looked at the battery. The negative connection was very badly corroded. I cut off the bad wire and all was good after reconnecting.
A couple of years ago, my 12V inside trailer lights stopped working. I found the battery had no charge and the very old inverter was not putting out 12 volts. The new inverter was about 1/2 the size of the old one but did not come with 4 fuses to run the trailer 4 separate circuits. So I had to take the old fuse panel out and install it next to the new inverter.
Also while doing this work, I added a 110V outlet to make it easier when doing work in the trailer.
I have some water damage now from a roof vent cover that had broken off and I did not find the problem until I saw the damaged wood. I will start that work next week, after this next cold weather. I hope this will only take a week or 2. I will have to remove a storage cabinet to replace the wall panel.
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