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Old 07-27-2015, 05:49 PM   #1
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Voltmeter install in Roo 19

I ordered an lcd voltmeter to install below the control centre in my 2015 Roo 19. I'm wondering if anyone has done this already, and if so what wires they tapped into? See picture below for wiring inside the cabinet by the door. I was thinking the red/white or the yellow/white that appear to be going through the wall to the Awning LED and Scare light? the white side of the wire would be ground (-)?
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Old 07-29-2015, 10:48 AM   #2
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What does the voltmeter look like?


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Old 07-29-2015, 10:51 AM   #3
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Is the voltmeter for the 12 volt battery system, or the 120 volt ac system?
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Old 07-29-2015, 10:55 AM   #4
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Voltmeter is for the 12v system.

http://www.amazon.ca/dp/B00IXF3H22/r...=voltmeter+lcd
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Old 07-29-2015, 10:56 AM   #5
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Quote:
Originally Posted by redwolfpei View Post
I ordered an lcd voltmeter to install below the control centre in my 2015 Roo 19. I'm wondering if anyone has done this already, and if so what wires they tapped into? See picture below for wiring inside the cabinet by the door. I was thinking the red/white or the yellow/white that appear to be going through the wall to the Awning LED and Scare light? the white side of the wire would be ground (-)?
Sounds like a lot of trouble to go through. You will get the information you need out of a 120v plug in voltmeter in one of your outlets and for about $15

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Old 07-29-2015, 11:01 AM   #6
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It's a great way to monitor power state when dry camping. I installed one in my old tent trailer and it was the best mod i ever did.
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Old 07-29-2015, 11:04 AM   #7
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That's a very interesting idea! What is the purpose for this? Are you trying to monitor power consumption while boondocking? Check status of battery?
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Old 07-29-2015, 11:04 AM   #8
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Redwolf, I would not use either of those wires, since I suspect they are both not hot unless the items they are powering are on. Plus, if that is the case you will be sampling power from a line that is loaded and may be down .1 or .2 volts from what the battery condition actually is. .2 Volts is a large percentage of battery life. You should try to find a 12 Volt supply line that goes directly to the control panel from the battery. There is definitely one in the control panel. It will probably be the largest (gauge) red wire under the panel. Black or White will be the corresponding minus side.
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Old 07-29-2015, 11:06 AM   #9
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Exactly! It's a mod most people with tent trailers have. I like knowing exactly what my power state is. It gives me a better idea how long I need to run my generator for each day. The basic factory panel isn't enough imo.
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Old 07-29-2015, 11:06 AM   #10
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Jeff, The AC meter (which you do want also) tells you nothing about battery condition. Only gen or shore power voltage. When not on either the battery (12V) is critical.


BTW, It doesn't directly measure power CONSUMPTION. It just gives you a good indication of battery life left. (using a chart like this one.... : http://modernsurvivalblog.com/altern...-charge-chart/
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