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Old 03-02-2013, 06:21 PM   #1
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1966 22' Safari
Kirkland , Washington
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Battery system just went out...help!

The battery system on our recently refurbished '66 Safari just went out. Shortly after plugging into RV park power, all power in the trailer shut off. We figured out that their 30A service was bad and plugged into a functioning 20A outlet.

But now the battery system won't work. We checked the 2 fuses in the converter and 4 in the trailer wiring. We have no idea why it won't work, as it worked fine a few days ago! The guys who did the refurb are out until Monday and we're attempting to get it working ourselves.

A few questions for you knowledgeable folks out there:

1. Anyone know what type of terminals are in the attached photo? They look like they might have some type of fuse or breaker, but we don't want to make things worse by pulling them apart.

2. Is it possible that our battery is too cold to work? It's low 30s outside and not much warmer where the battery is.

3. Any ideas on what might be wrong?

Any thoughts would be greatly appreciated!
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Old 03-02-2013, 06:52 PM   #2
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You could have a bad terminal connection on the battery. Take both of them off and clean them. Then check the negative ground connection from the battery to the frame, which, on your year AS I believe was the negative line. Newer rigs have a white ground line which goes to most fixtures.

The things shown in the photo may be a bank of circuit breakers for the 12 volt system circuits. They would not all go out at the same time, but the line to them could have corroded at one terminal end
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Old 03-02-2013, 07:58 PM   #3
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I don't recall seeing that block in my '67 but it looks like a buss bar to feed the low voltage systems.
Have you checked the 120 AC breakers at the panel in the "Service Center" at the rear.?
If the 12VDC circiuts all went out at the same time after the failed connection to the shore power I would think the battery would have enough juice for at least a day running lights and the furnace.
Sometimes you can hear the converters hum if they're powered up. If not that's the first place to look. The 12 volt stuff will work off the converter without a battery.
I'm guessing, and its only a guess because you say the rig's been refurbished, that there is some fuse, breaker or connection you haven't located that could be the cause of you problem.

Good Luck.
Tom
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Old 03-02-2013, 08:11 PM   #4
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Does your trailer have the 50 amp ground fuse? If so, it could be blown or the connections corroded. That would keep the interior lights from working.
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Old 03-03-2013, 08:56 AM   #5
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1966 22' Safari
Kirkland , Washington
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Thanks for the quick replies!

The battery and terminals are new, so that isn't the problem. We also reset the line voltage breakers. The converter works fine when plugged in, but nothing works when it's disconnected. For some reason, the battery power doesn't seem to be working, even though it's fully charged.

Overlander 63 - Where might a 50A ground fuse be, or what does it look like? We have 4 of the old-school looking cylindrical fuses in the low voltage wiring, and they're all fine.

Thanks!
Karen
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Old 03-03-2013, 09:02 AM   #6
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1966 22' Safari
Weatherford , Texas
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Broken terminal?

Last year I returned from a camping trip to find that our trailer had no battery power at all. Subsequent troubleshooting found a broken terminal where the battery positive line connects to the fuse block (bus). One new ring terminal fixed it.

The fault was hard to see. Had to take the connection apart to find it.
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Old 03-03-2013, 09:04 AM   #7
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1966 22' Safari
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Check the red wire in the upper left corner of the photo you posted. I think I might see a crack there--the same fault we had in our trailer.
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Old 03-03-2013, 10:03 AM   #8
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1966 22' Safari
Kirkland , Washington
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Problem solved! Turns out it was a loose battery terminal. It felt tight, but when we checked the output voltage it was way low. Tightened the terminal and it's working fine now.

Thanks for the suggestions! They were all helpful, and we know a little more about our low voltage system now.
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