Off-Road_Racer_
Explorer
Joined 11 years ago
User Profile
User Widgets
All Activity
Re: 12 Volt Electrical issue?
maillemaker wrote: Yes, the interior lights work when plugged into the shoreline. They do not work when not hooked up to the shoreline. Lights do not work with the battery. I tested the battery it was bad. I know have a new battery in and still no lights when the shoreline is not hooked up. So...it sounds like your converter is working because your 12VDC items are working when you are plugged into shore power. But it is strange that they do not work when on battery power with the new battery. My guess here is that the converter is bad and is not switching between shore power and battery power. Steve "I'm assuming that all your other 12VDC items work when plugged into shore power also - furnace, water pump, TV, etc." No, these items don't work when plugged in with the shoreline. What is interesting is. When I was replacing fuses with new ones. All the these items are on the same bank section of the fuse box.502Views0likes0CommentsRe: 12 Volt Electrical issue?
tenbear wrote: Harvey51 wrote: I am not able to run the water pump and the furnace will not run. I do have interior lights, Lights work means 12 V system is working. That rules out batteries and converter problems. It just leaves fuses, doesn't it? Best to use a meter, ground the black lead and use the red to see if there is Voltage on the outgoing side of each fuse. Do your lights dim when you try to run the water pump or the furnace? No the lights do not dim. We currently wired the water pump directly to a battery so we can have water. We have not gotten the furnace to work.501Views0likes0CommentsRe: 12 Volt Electrical issue?
maillemaker wrote: Almost everything in the RV coach runs on 12VDC. Your lights and water pump run on 12 V. Your furnace runs on 12VDC. This is true whether you are plugged into shore power (110VAC) or not. Your refrigerator probably is able of running on 110VAC or propane, but on propane will probably require 12VDC. Your refrigerator might also run on 12VDC. Some are two-way (propane/110), some are three-way (propane/110/12)." We can operate the refrigerator from the shore line and from the propane. I have had no issues with the refrigerator. Your microwave and air conditioning run only on 110VAC. "So. To see if your shore power is hooked up right, the first thing I do is try to run either the AC or the microwave. If those things work, you've got 110VAC." The A/C and Microwave works when the shoreline is plugged in. "Next try your 12VDC accessories while you are plugged into shore power. This takes the battery out of the picture. If your internal lights work, you've got 12VDC at least there. So I would suspect fuses first since clearly your converter is working." Yes, the interior lights work when plugged into the shoreline. They do not work when not hooked up to the shoreline. "If you find that on shore power all your 12VDC accessories work, but on battery only the lights work, it may be that your battery has enough power to power the lights but not other higher-load accessories." Lights do not work with the battery. I tested the battery it was bad. I know have a new battery in and still no lights when the shoreline is not hooked up. Your furnace has a "sail switch" in it. Before the burner turns on the fan will come on and air will start blowing through the furnace. If this does not happen with enough force to activate the sail switch, the burner will not turn on and the furnace will shut down. This is to prevent the burner from overheating/catching fire if there is not enough air blowing through it to cool it off. Steve502Views0likes0Comments12 Volt Electrical issue?
To All: I am a new Motorhome owner. This is an older unit. Originally all components worked properly. Now I do not have power to the control panel to view how full the water and waste tanks are. I am not able to run the water pump and the furnace will not run. I do have interior lights,Refrigerator and A/C when plugged in to the generator or garage. Where should I start to look for the problem at? I have check the fuses. Thanks Kevin5.5KViews0likes22Comments
Groups
Motorhome Group
Join in here to discuss all things motorhomes.Jan 24, 202538,705 Posts
