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Old 06-19-2013, 08:04 PM   #1
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Installed voltmeter to monitor the 12V System....

Following is a quick mod I did so I can always keep an eye on the status of my 12V system.

The parts were about $10 and the longest part of the project was finding all my tools and hardware to get the job done. I had a great spot available above the converter which was easy to access and view from inside the TT.

At a glance I can tell....

What's my battery voltage? (unhooked from shore power / TV)
Is my converter charging my battery? (connected to shore power)
What mode is the charger working? (absorption, bulk, float)
Is the TV charging my TT battery? (when connected via 7-Pin connector)
Did I remember to disconnect the battery for storage?

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I'm happy with it.....[ATTACH][/ATTACH]
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Old 06-19-2013, 08:44 PM   #2
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Great mod. Where did you get the volt meter??
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Old 06-19-2013, 08:54 PM   #3
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Here's a link to the auction. Unfortunately, they shipped me a 3-wire instead of a 2-wire....

http://www.ebay.com/itm/261215843753...84.m1497.l2649

ebay is littered with them at cheap prices from China....I tried to find one stateside, but couldn't find one in the display color (blue) and style I wanted.

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Old 06-19-2013, 09:00 PM   #4
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Do you just connect to the large wires going to the battery at the converter?
great mode and low $$

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Old 06-19-2013, 09:12 PM   #5
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Quote:
Originally Posted by dougtoms01 View Post
Do you just connect to the large wires going to the battery at the converter?
great mode and low $$

Doug
Yes, sir....WFCO had a nice wiring diagram on the back of the converter
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Old 06-19-2013, 11:31 PM   #6
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Nice job! Bet it makes a great nite-lite for the kids
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Old 06-20-2013, 05:07 AM   #7
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Very cool! I like that idea!
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Old 07-07-2013, 09:39 PM   #8
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First time connecting the TT to the TV 7-Pin today....according to the meter - all is well with the TV charging voltage..... I'm liking this...

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Old 07-07-2013, 11:22 PM   #9
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I like it! (and the price)
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Old 07-08-2013, 07:15 AM   #10
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Nice job

I did the same idea here and installed additional meters. I used the 3-gang electrical switch box from Lowes to mount mine in. All of the cables that are routed to the battery switch area are ran through 3/4-inch flex PVC conduit. I also included in-line 1A fuses in each of the lines coming back to the meter panel to protect the wiring in case of short circuit. I also included ON-OFF switches for the meters to keep them from being the "EXCELLENT" night lights. Mine were way to bright to do this... My meter panel is actually a SPECIALTY SWITCH COVER where the large opening is perfect to mount the meter behind the switch panel opening. I used RTV to glue the meters to the switch cover.



This is a simplified wiring diagram for my meter panel


Have found when camping off the power grid this is a MUST HAVE item to be able to watch the status of your battery bank. It is very important for us to know when our battery bank is approaching their 50% charge state (around 12.0VDC) when camping off the power grid. We have planned our battery consumption to get to this charge state at 8AM the next morning so we can start our Battery Bank re-charging procedures.
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