I suspect a converter issue but I need help. I have been having this issue since I accidentally left some lights on for several days in the camper, although I was on shore power. My battery indicator light shows a weak battery, however I had the battery checked, it is fine (new battery, almost 13 volts). My converter fan does not work. All the lights do work, but they don't come on right away, takes a few seconds. I thought maybe I shorted out the fuses when I changed the battery, but the 2 40 amp fuses are fine. From what I can gather I may have low voltage coming from the converter and need to replace it. I am not confident in fooling with the converter, checking voltage etc. and will just take it in for replacement if that looks necessary. Am I on the right track?

Make sure your battery is fully charged first. Voltage in the low 12's is nearly dead. Also post the make and model of your converter.

I would suspect your batteries first.

I just brought the battery in to be checked. It is almost new. He said it showed 12.5 volts. He put in on a full load 500 amp(?) and it worked fine. (It was 500 something)I have no idea what kind of converter I have. I don't even know where it is.

I just went thru a similar thing and it was the convertor. While on shore power, the battery indicator just kept going from green to yellow to red...to nothing. The convertor was not getting any power to the batteries, thus dead batteries. Had my repair man out and it was an easy thing for him to diagonose.

Tigertracks wrote:I just brought the battery in to be checked. It is almost new. He said it showed 12.5 volts. He put in on a full load 500 amp(?) and it worked fine. (It was 500 something)I have no idea what kind of converter I have. I don't even know where it is.Tiger, what kind of rig do you have? The converter is usually mounted low somewhere where you can get to it. It will have a door that opens and you'll see breakers and fuses inside. The make and model is usually on the door. Could be a bad converter.

Electrical/ converter issue | Good Sam Community

15 Replies

Ron3rd
Explorer III
Jun 26, 2014
Tigertracks wrote:
I just brought the battery in to be checked. It is almost new. He said it showed 12.5 volts. He put in on a full load 500 amp(?) and it worked fine. (It was 500 something)

I have no idea what kind of converter I have. I don't even know where it is.

Tiger, what kind of rig do you have? The converter is usually mounted low somewhere where you can get to it. It will have a door that opens and you'll see breakers and fuses inside. The make and model is usually on the door. Could be a bad converter.
IDman
Explorer
Jun 26, 2014
I just went thru a similar thing and it was the convertor. While on shore power, the battery indicator just kept going from green to yellow to red...to nothing. The convertor was not getting any power to the batteries, thus dead batteries. Had my repair man out and it was an easy thing for him to diagonose.
Tigertracks
Explorer
Jun 26, 2014
I just brought the battery in to be checked. It is almost new. He said it showed 12.5 volts. He put in on a full load 500 amp(?) and it worked fine. (It was 500 something)

I have no idea what kind of converter I have. I don't even know where it is.
Mandalay_Parr
Explorer
Jun 26, 2014
I would suspect your batteries first.
Ron3rd
Explorer III
Jun 26, 2014
Make sure your battery is fully charged first. Voltage in the low 12's is nearly dead. Also post the make and model of your converter.

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Electrical/ converter issue

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