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Open Roads Forum  >  Class A Motorhomes

 > Electrical question

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psmoore

Illinois

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Posted: 10/30/12 10:10am Link  |  Print  |  Notify Moderator

I have a 36 Winnebago Brave. I have it plugged into an outlet in my garage. This may be really dumb, but why do I have electic to my tv's and microwave, but not to lights, heater, water pump, etc? Not sure what other information you may need to try and help me.

This unit is new to me, and I know it has an electrical management system. The power cord in the back does not plug into anything. I have reset all the GFCI outlets and none of the breakers are tripped.

Thanks for any help you might give me!


Paul and Susan - 4 kids
2001 Winnebago Brave 35C

psmoore

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Posted: 10/30/12 10:17am Link  |  Print  |  Notify Moderator

I do know that my batteries are dead, but not sure why I would have to have battery power when hook to electricity.

Dick_B

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Posted: 10/30/12 10:18am Link  |  Print  |  Notify Moderator

TV's and M'wave work off 110 VAC the lights etc. work off 12VDC. Do you have a charged battery?


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downtheroad

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Posted: 10/30/12 10:19am Link  |  Print  |  Notify Moderator

Most if not all of your lights, your furnace and water pump operate on DC current - your batteries not on AC current.


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siggyd777

Northern Illinois

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Posted: 10/30/12 10:22am Link  |  Print  |  Notify Moderator

Your Converter (Charger) may be bad,not charging the house batteries.
How old are the house batteries,have they been serviced (distilled water)?
Bad batteries can damage the converter.
Siggy


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2ndhom

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Posted: 10/30/12 10:19am Link  |  Print  |  Notify Moderator

Sounds like anything with 12 volts is not working. Does the coach have fuses? Have you checked and actuated the breakers? Is there a master switch for just the 12 volt items inside the coach?

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Posted: 10/30/12 11:02am Link  |  Print  |  Notify Moderator

Has the battery disconnect switch (often by the door) been switched to the disconnect position?


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Kiwi_too

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Posted: 10/30/12 10:26am Link  |  Print  |  Notify Moderator

It sounds like your entire 12v is dead. Do you have a converter? This converts 120 volt to 12 volt for power to your 12 volt systems (lights, heater (has 12v control board) and water pump. Have you checked the 120 volt circuit breaker that feeds the converter? Do you have a voltmeter? If the converter is on, are you getting power out of the 12 volt side? Check the 3 wires to see that they are connected well. This includes the ground, bare or green wire. Make sure the ground is well connected to the frame. If all of this is well, and your batteries are dead, I would disconnect them, as they might be drawing down all of your power.

Tell us what you found.


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tommy g

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Posted: 10/30/12 11:11am Link  |  Print  |  Notify Moderator

This is most likely a converter issue. Check for AC power to converter or blown fuses/tripped breakers DC out.


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psmoore

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Posted: 10/30/12 11:05am Link  |  Print  |  Notify Moderator

My batteries are dead. All three batteries are in the step, 2 for the coach and the engine battery. I tried to start it and nothing and tried to start it off the coach batteries and nothing.

The switch right inside the door didn't make a difference either way on or off. But I'm thinking that's because the batteries are dead.

I am trying to winterize it, and can't get the water pump on. I did get the water heater tank drained at least.

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