Changed RV's House Batteries Still Have No Power
2005 Damon Challenger batteries not working. Just replaced both house batteries and the only thing that works is shore power and generator. No power when unplugged or generator not working.
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ANSWER: Hi thanks for submitting your question on our Ask An RV Question Page.
I am assuming that when you say that you have no power in your motorhome when not plugged in or the generator is not running that you are talking about 12 volt DC power to the interior lights, etc. in the RV not 120 Volt AC to the electric outlets in the RV. The 120 volt electric outlets will not work when unplugged unless you have a 12-Volt DC to 120-Volt AC Power Inverter connected to your house batteries.
The fact that your motorhome's generator starts is a good sign because the generator is started by the house batteries. Below I have listed a few things to check to see if you can resolve this problem yourself.
* Your RV may be equipped with a Battery Disconnect Switch. If this switch is activated you will have the problem that you describe. I cannot tell you the exact location of this switch in your particular RV. In most RVs they are located near the entrance of the RV or on the RVs main control panel located in the RV.
* Double check your house batteries to make sure that all wires are connected, and that all of the connections are clean and tight. Look at the wires leading from the batteries and see if there is an in-line fuse or fusible link that may have blown.
* Check for any blown fuses or tripped circuit breakers in the electrical compartment of your Motorhome.
The items I listed above are the most common causes of the problem you are experiencing. If you check everything I have listed and you still cannot solve the problem; it may be time to take your RV in and have a Certified RV Technician repair the problem.
I hope this helps.Over 1,500,000 successful roadside rescues—Good Sam RV Emergency Road Service
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