rabbit Posted June 19, 2019 Share Posted June 19, 2019 Hello, I have a 84 New Horizon and am wondering why my water pump only works from the battery and not when I'm hooked to power. Is there yet another part I need to buy. Quote Link to comment Share on other sites More sharing options...
Odyssey 4x4 Posted June 19, 2019 Share Posted June 19, 2019 22 minutes ago, rabbit said: Hello, I have a 84 new horizon and am wondering why my water pump only works from the battery and not when I'm hooked to power. Is there yet another part I need to buy. Water pumps are 12v only Quote Link to comment Share on other sites More sharing options...
rabbit Posted June 20, 2019 Author Share Posted June 20, 2019 18 hours ago, Odyssey 4x4 said: Water pumps are 12v only OK, but is there a way to bypass the 120 just to pump from holding tank while not hooked up to an external water source. I am planning on spending most of the winter inside and won't be able to keep a hose from freezing. I will be connected to electricity to keep all from freezing inside. Quote Link to comment Share on other sites More sharing options...
Maineah Posted June 20, 2019 Share Posted June 20, 2019 If you are plugged in the converter should supply 12 volts DC to the pump and lights (and charge the battery). Disconnect your coach battery plug in the RV and see it the lights and pump still work if not you have a issue with the converter. If you are using water in the winter what are you going to do with the waste water? Quote Link to comment Share on other sites More sharing options...
Guest wemit Posted June 22, 2019 Share Posted June 22, 2019 (edited) How will you keep the water system from freezing in the Winter? Are you going to run a heater all Winter? How will you keep the grey and black water tanks from freezing? They are outside the motorhome. Edited June 22, 2019 by wemit clarity Quote Link to comment Share on other sites More sharing options...
WME Posted June 22, 2019 Share Posted June 22, 2019 For your holding/fresh tanks and your steps, this is 12v dc...https://www.etrailer.com/RV-Fresh-Water/LaSalle-Bristol/277-000164.html For your fresh water hose this 120v AC...https://www.etrailer.com/RV-Fresh-Water/AquaFresh/W01-5315.html Quote Link to comment Share on other sites More sharing options...
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