Dead Battery: Please help! - Page 2 - Fiberglass RV

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Old 07-01-2016, 09:19 AM   #15
Name: Gerry
Trailer: Triple E
British Columbia
Posts: 52
Did you have your fridge operating off either propane or 120 volts? Just a shot, but many newer fridges have a heater element in the frame of the freezer compartment. This element is operating all of the time the fridge is running, unless it is switched off. The switch is in the frame above the freezer compartment door.

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Old 07-01-2016, 09:43 AM   #16
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Name: Dennis
Trailer: 16' Scamp
Posts: 11

Unless you actually ENJOY "the hunt", just take your trailer to a good RV shop and pay them to check this out. After all, you've already spent a fairly large bill on a NEW battery. Get it over with, and learn from what they tell you.

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Old 07-01-2016, 09:46 AM   #17
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Name: Julie
Trailer: Scamp
Posts: 52
We didn't use the fridge. We still can't get it to work on propane. LOL. It used to light but not get cold. We cleaned the jet and now it doesn't even light! Oy vey.

Don't have a freezer either.
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Old 07-01-2016, 10:28 AM   #18
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Name: Darwin
Trailer: 2002 19 ft Scamp 19 ft 5th Wheel
Posts: 3,043
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Go to Advance Auto where they do FREE battery testing and get it tested.
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Old 07-01-2016, 10:42 AM   #19
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Name: Larry
Trailer: T@B
Posts: 6
Originally Posted by Julie and Jose View Post
Thanks all for helping.

When we connect the car to the battery with the engine running it reads 13.5. Drops when the engine is turned off and still connected.

So...could this be a bad converter?
When you check the battery with a charge source connected (either the tow vehicle or shore power/garage), your reading will reflect the voltage being SENT TO the battery, NOT the actual charge state of the battery. Only way to accurately check the charge state of the battery is to disconnect all cables and check with a meter at the posts.

This, of course, means that the readings taken while connected to a running tow vehicle and those taken while disconnected from any charge source SHOULD be different.
2013 T@B
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Old 07-01-2016, 10:44 AM   #20
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Name: Julie
Trailer: Scamp
Posts: 52
Uh no, the converter was NOT plugged in!

Well, it looks like we might have found problem #1 thanks to Carl Pa. The converter plugged had wormed its way partially out of the outlet, probably due to all the bumps on the road during our extended trip. It is now seated firmly in the outlet and we have 12v lights when plugged into shore power. Yay! The converter is still working...maybe....

We think we may still have a drain on the battery, though. So we will charge the battery and then disconnect from shore power to see what happens.

And yes, we have a multimeter. And yes, we know the battery is good. (Took the old one to the battery store to be tested. It was on its last legs. Replaced with a shiny new one.)

Appreciate all the help! We learn new things every day thanks to this great community.
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Old 07-01-2016, 12:30 PM   #21
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Name: Carl
Trailer: 2014 16 scamp side dinette/Rav4 V6 Tow pkg.
Posts: 479
Great, I now check plug when I reach destination and when I get home. Good luck. Carl

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