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Old 07-19-2010, 05:10 PM   #15
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clint, try unplugging the converter from the trailer and plug the converter to your power source directly, then report back. if it is a gfci problem in the trailer, the converter should work ok.
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Old 07-19-2010, 05:55 PM   #16
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My original thought was that it was an issue with the converter being powered by a GFI breaker. You can use an extension cord to run it from a non GFI circuit.
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Old 07-19-2010, 06:51 PM   #17
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Should I be worried that if there is a short with the converter that I would fry something? I guess the house breaker should trip if anything goes wrong?

Clint
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Old 07-19-2010, 07:57 PM   #18
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yes, if the cord to the house is properly rated for the load.
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Old 07-19-2010, 08:10 PM   #19
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15 amp gfci in 1977 a/s?

I am not familiar with 1977 vintage airstreams. But to me, it seems strange that the other breakers in the coach are 20 amp while the gfci is 15amp. Gfci breakers can have a mind of their own. And if they trip often, then they tend to trip more easily than before (if that makes any sense-the more they trip-the easier they trip). I would check the wire size to the gfci breaker and replace it with a new one sized correctly for the wire. Usually, if the factory or whomever wires the trailer with 12 gauge wire, it will ALL be 12 gauge wire, not mixed. But as I said, I am not familiar with 1977 wiring.
good luck and I agree with the test of another outlet with an extension cord to the charger...
ol' bill
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Old 07-20-2010, 06:08 AM   #20
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The breakers in my 1977 is identical to yours. On mine, the 15 amp GFI is used to power the 110v outlet in the bath and the built in vacuum (mounted behind bath outlet). Circuit 2 (20amp) ran the AC. Circuit 3 (20amp) runs the rest of the outlets. Circuit 4 is your main coming from the plug. All of my wiring was in 12awg (by code 20 amp breakers can be used). I did not upgrade my GFI to 20amp since it only ran the 1 outlet.

-thomas
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Old 07-22-2010, 09:37 PM   #21
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Sry for getting back to this thread so late, I haven't had a chance to look at it until tonight. I did as richinny, azflycaster and otherssuggested, and tried plugging in the converter directly to the shore power. Worked as it should, thank God.

So yes it is just the GFCI that is getting tripped, I guess because the new converter is leaking power. My batteries were really low so the converter was probably sucking and leaking enough amps to trip it. I also read online some other people who have had similar problems in the past with the same converter. Some had tried to replace the GFCI breaker and it seemed to work at first, but later tripped again when the batteries were low. So for now I'll just run it from the outlet on the 20amp non-GFCI breaker that is on the wall near the front Gaucho. It isn't ideal, but I can get a plug that is flat and doesn't look too bad running down the foot of wall until it goes behind the gaucho, but I feel better about that then trying to rewire the outlet behind the gaucho. The converter has been running strong on that circuit now for about 25 mins without problem, so hopefully that fixes the problem. Also, I don't feel a need to replace the existing GFCI breaker as it has been working just fine for other appliances, etc

I am also going to replace my batteries as they are about 6 years old now, and I don't know how they have been treated, they seem like they have been both overcharged by the old univolt and also completely drained too many times. I don't have a lot of experience with RV's but based on boating knowledge they seem like they drain a little too quickly from full charge.

Thanks to everyone for the great suggestions! Was really worried I would have to some crazy circuit testing and rewiring to get this all working. My perception that the universe is a simple place has returned to normal denial... 8)

Cheers,
Clint Hanson
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Old 03-07-2011, 05:15 PM   #22
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Now I know the converter is under gaucho on 77 Overlander,but how do you get to it,do I have to pull out the gaucho? Dave
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