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Old 07-30-2005, 09:31 PM   #1
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1972 25' Tradewind
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Univolt Question? (Please look at pics)

I have a 72' 25ft Trade Wind.

The problem is I am not getting any power when I try to run strickly off the battery. Furthermore, I believe that the battery is not getting charged while I am plugged in based on meter testing.

I have removed the Univolt (way heavier than I thought it would be) and found that part of my problem was 2 blown fuses. These were not blown the last time I tried to wrestle this issue with the help of a shadetree electrician.

The Fuses that were lown were the Pink line in and the big 50 between the battery and the Univolt. I assume that is at least one of my problems in getting power from the battery.

Please take a look at the pictures and any info would be very much appreciated. I am a computer programmer and not an electrician so I am way out of my league here.

Thanks,
Steve
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Old 07-30-2005, 09:35 PM   #2
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1972 25' Tradewind
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Additional Pics

Here is the Univolt opened up..not sure what it is supposed to look like.

On a side note, does anyone know what will happen if I open up those valves? Also, what is that black, pump looking, thing above the valves in the first pic?

Thanks again to everyone for all your help.

Thanks,
Steve
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Old 07-31-2005, 12:24 AM   #3
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1963 24' Tradewind
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let's see..

Looks like the following:
valves open the pipes for draining in the winter time.

Hard to tell, but I think the pump is your BAL waterpump.

Probably time for a new converter - try "bestpower.com" for an intellipower replacement unit. It really is easy to replace it. If you do a search on "intellipower," I put in a wiring diagram ... your univolt is wired just like mine (some are wired different).
Good luck!
Marc
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Old 07-31-2005, 02:35 AM   #4
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The pump looks like a squirrel cage blower, flange on the floor, is there a flex tube into the bathroom?
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Old 07-31-2005, 07:36 AM   #5
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Sounds like...

You have a short in the #3 circuit. Replace the 50 amp fuse, that is a main power fuse, and nothing much will happen without it.
After you do that, check the stuff that circuit #3 protects, and see if anything looks "off". Little burn, or scorch, marks at lights, a fan that doesn't run, that used to, "funny electrical" smells, etc. Contrary to popular belief, fuses don't just blow for no reason.
The red-handled valves are drain and shut-off valves for the water in your coach, and the blower fan is to(hopefully) keep your holding tanks from turning into foul-smelling blocks of ice in the winter.
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Old 07-31-2005, 08:27 AM   #6
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Yes, fuses do not blow for no reason at all. Something caused it to blow.
Make sure you replace just the main fuse first. Then look for anything that blew the secondary fuse.
I consider the converter to be a safety item. I replaced mine in every Argosy I have restored. I do it out of habit now. Plus the old Uni-Volt is not the greatest with keeping batteries from going bad. The IntelliPower with a Charge Wizard will take care of that.
www.bestconverter.com also has a new converter that has something like the Charge Wizard built into it. A buddy of mine just installed one. Not sure how it is compared to the IntelliPower.
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Old 07-31-2005, 07:10 PM   #7
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Bump

Quote:
Originally Posted by ssolid
...Also, what is that black, pump looking, thing above the valves in the first pic?...
I believe that is a vent fan to keep odors in the bathroom from permeating the interior. There should be a switch somewhere to turn it on.
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Old 08-01-2005, 12:28 PM   #8
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Black Pump?

You all are correct. I traced it back to a "fart fan" near the toilet.

Are the valves there to let water into the black tank or are they the ones that go to my faucet and shower?

(the univolt and valves, etc are in the curbside rear corner. and the bathroom is in the rear)

If those don't go to the black tank....Is there any way to fill the tank quickly to flush it out a few times? (beside running a hose through the window or trailer?

Steve
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Old 08-01-2005, 03:25 PM   #9
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hi- yes, in the rear upper hatch there is a clean-out fitting in the black vertical vent pipe, at least in mine. stick a hose in there and flush away.
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Old 08-01-2005, 04:06 PM   #10
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Steve, did you get everything you needed concerning the Univolt? Lou has the right idea. Replace the thing. That's what I'm going to do as part of my rebuild. There is a member here who sells the Intelli-power and offers a discount to forum members, although I can never remeber his name/handle. Somebody will chime in with the answer. This time, I'll remember to bookmark the response!


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Old 08-01-2005, 04:12 PM   #11
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bestconverter.com?

68 Overlander?
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Old 08-01-2005, 10:51 PM   #12
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1972 25' Tradewind
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bestconverter.com

I went to bestconverter.com and the Intelli- Power units come in 30 40 and 45 Amp versions.

Which one do I need? I assumed I would get the 60 Amp. Is that too much power?

Steve
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Old 08-01-2005, 11:20 PM   #13
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1972 25' Tradewind
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I have the same trailer as you. I redid the bathroom (know it well) and also replaced the intelli with the 80amp. model. If noting has been changed there is a line running out the bottom of your trailer and the one knob will alow water to flow out of the trailer. There is nothing that comes into play with the black tank. That is all by itself. I have pictures of all that stuff if you need anything. I also switched the layout of my wiring so it all ran to the front of the trailer. I had all the wall panels out anyway so it made it easy to do. I've had the inteli-power in for about 6months and I think I ran into my first problem. When I was pluged into land line power and was using a havey load (12volt) after I turned the load off you would hear the fan on the intelli kick on... I can't get it to kick in now. I checked the fuses and all conections and I can't get it to kick on.
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Old 08-01-2005, 11:25 PM   #14
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More photo's of the wiring. I also added surround sound, DVD,LCD,MP3.. and a wireless network using my apple. It all can run on 12v power. Hope the pictures show up.
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