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Old 12-19-2019, 09:59 PM   #1
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Brand: Thor Motor Coach
Model: Ace 29.3
State: Florida
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THOR #14603
Chassis battery

Chassis battery 2019 Thor ace battery dead started every It once a week and I have to jump it every time wonít hold a charge anyone else having a problem with this thank you
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Old 12-19-2019, 10:44 PM   #2
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THOR #7035
Punctuation!

Get your battery tested.
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Old 12-20-2019, 01:06 PM   #3
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THOR #11130
Excellent tool to have around. Battery must be fully charged to read correctly but it eliminates pages of opinions and many dollars worth of "trial and error" fixes.


https://www.amazon.com/OTC-3181-Heav.../dp/B000O3U2UQ
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Old 12-20-2019, 01:17 PM   #4
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THOR #17154
There are questions on Amazon about the amps. These pull 150 amps. How do I know if this is the correct tool to test my batteries? Iím installing 2 VMAX 125ah 12v in my coach. I looked at my battery specs and couldnít find their ďamp rating.Ē Is that the amp hours?
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Old 12-20-2019, 01:27 PM   #5
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Originally Posted by WearyTraveler View Post
There are questions on Amazon about the amps. These pull 150 amps. How do I know if this is the correct tool to test my batteries? Iím installing 2 VMAX 125ah 12v in my coach. I looked at my battery specs and couldnít find their ďamp rating.Ē Is that the amp hours?
The way a load tester works is to apply a load across the battery terminals for a short time, and measures the voltage the battery maintains. It's a short-term test (holding the switch longer than recommended will result in a very hot load tester!) with an approximate load but it will tell you how healthy the battery is.
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Old 12-20-2019, 02:29 PM   #6
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Brand: Thor Motor Coach
Model: THOR Chateua 35SF
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THOR #11130
Quote:
Originally Posted by Tom N3EQF View Post
The way a load tester works is to apply a load across the battery terminals for a short time, and measures the voltage the battery maintains. It's a short-term test (holding the switch longer than recommended will result in a very hot load tester!) with an approximate load but it will tell you how healthy the battery is.

Very true! Lots of videos on YouTube about how to use them. In my oil company days, it was the only way we qualified truly bad batteries when adjusting them for dealers. It doesn't lie but the 10-15 second period must be adhered to. I've used this exact model for years and it works very well. Don't get over technical with it...just use it as designed. It also will test the charging system with engine running. Link is an excellent, no BS instructional video of this exact model. CAUTION: Unit gets VERY HOT when using...make sure it cools down in a safe area.



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