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Old 05-14-2013, 08:45 PM   #1
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No electricity in coach

I have a Winnebago 2007, 40 ft 400 pusher. Last fall took out all batteries and stored in basement and charge all batteries during the winter. last week put all batteries back in place and chassis batteries started the MH no problem but the coach batteries will not give me any electricty for the interior, checked all batteries and they are fully charged, i checked every fuse that i could find, is there any other fuse to check?. Did anybody had this kind of problem.

Thanks

Denis
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Old 05-14-2013, 08:50 PM   #2
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Sounds like a relay. Might have fused the relay together . Do you have a store or use button to disconnect the house batteries? As long as all connections are correct should be a relay.
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Old 05-14-2013, 08:51 PM   #3
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Might also be a fuse link. Mine has four inline fuses close to the batteries .
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Old 05-14-2013, 08:53 PM   #4
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Dennis,

i am not familiar with your coach, but many coaches have a large 200 or 300 amp fuse installed in the battery bay. You can find it because it is very large and has heavy wires going to it. Check across that fuse with a voltmeter to see if it is OK.
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Old 05-14-2013, 08:54 PM   #5
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You may want to put your house batteries on a load test. Sometimes they can be overcharged and show a full charge but put underload and drop to a very low output.

Best way I have found is put an volt meter on the batteries and watch the meter as you start the genset. If it drops below 11.31 the batteries are toast and will need to be replaced.

Here is a chart for battery voltage:

12.8 = Full Charge
12.5 = 90%
12.4 = 80%
12.3 = 70%
12.2 = 60%
12.06 = 50%
11.9 = 40%
11.75 = 30%
11.58 = 20%
11.31 = 10%
10.5 = 0%

Hope this helps. These rates are on a non loaded battery.
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Old 05-14-2013, 09:09 PM   #6
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Are you sure you have them hooked up the right way? If you have four 6 volters the series / parallel hook up can get confusing. If you had them hooked up wrong you could of popped a fuse or circuit breaker.
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Old 05-16-2013, 04:26 PM   #7
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Thanks for all suggestions
I checked all batteries they are ok, did not find any breaker swith except for three 50 amp push fuse and inside the box found a solenoid that had power on one side but no power coming out feeding these fuses, a 5 amp fuse is installed on top of the solenoid and on the side that has power and fuse found ok, could this be the problem, i am not to hot with electricity
Thanks
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Old 05-16-2013, 04:42 PM   #8
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Hi and welcome to the forum.

You should have a "one place control panel" inside your coach where you can read battery voltages for both the chassis and house batteries. Are you getting any reading at all? Is the 12v house battery cut off switch (usually located on the left as you enter the coach) on? Do you have power to the coach when plugged in to shore power?

It would also help you get more specific answers if you added the year, make, and model of your coach in your signature line. You can do that via your user control panel.

Best of luck. I'm betting it's something simple.

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Old 05-17-2013, 07:22 AM   #9
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Hi and welcome to the forum.

You should have a "one place control panel" inside your coach where you can read battery voltages for both the chassis and house batteries. Are you getting any reading at all? Is the 12v house battery cut off switch (usually located on the left as you enter the coach) on? Do you have power to the coach when plugged in to shore power?

It would also help you get more specific answers if you added the year, make, and model of your coach in your signature line. You can do that via your user control panel.

Best of luck. I'm betting it's something simple.

Rick
I own a Winnebago Tour 2007 40ft pusher, my "one place control panel" is not energize, the cut off switth at the entrance of coach does not work. I did not try the shore power yet. Batteries that were re-installed are up to proper voltage, I have power up to a soloneoid that feeds the main fuse of the coach but no power on the opposite side of this solenoid, it seems to me that the problem is the solenoid but asking myself if putting the batteries back in could of shorten this solenoid?
thanks for your help
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Old 05-17-2013, 07:34 AM   #10
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I'm betting either the solenoid is bad or the solenoid isn't getting control power. Try running a 12V jumper to the control terminal on the solenoid to see if it activates.
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Old 05-18-2013, 04:01 PM   #11
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I had the same thing just this morning on mine, found I had 2 cables crossed, works good now
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Old 05-21-2013, 10:49 AM   #12
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I'm betting either the solenoid is bad or the solenoid isn't getting control power. Try running a 12V jumper to the control terminal on the solenoid to see if it activates.
would the cut off switch from inside the coach controlling this solenoid?
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Old 05-21-2013, 02:24 PM   #13
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Operate the battery cut off switch than check the solenoid to see if you have power on other side of it, THE BCS needs to be operated to supply 12v power to your coach and should be on when ever you use the coach so your converter will charge your house batteries.
COACH ELECTRICAL SYSTEMS
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