Powerwerx voltmeter ammeter help

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Captain Chaos

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For some reason I can not make heads or tails of this diagram tonight. I just bought this voltmeter ammeter from Powerwerx to monitor the 12v system on my trailer. The link on the diagram doesn’t work, and I keep confusing myself. Does the ground input come from the neg post on the battery, and the output goes to ground? Or should I splice the pos into the pos lead to my fridge, then split the neg from fridge to the input lug with the output to ground? Thanks for looking.

View attachment 65205
 

mylilpwny

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Some one more knowledgeable than myself will probably know the answer but looks like it is a amp meter as well? In this case the ground wound be reading the amount of amps flowing through that specific current ( looking at diagram looks like it is only rated up to 15 amps). So if that the case you would have a 12v in and you would have the ground for that component (s) go into the meter and out of the meter to ground. So basically wire the ground from the components into the meter then ground the meter itself. That is what I am getting from the diagram at least.

Hope this helps
 
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Captain Chaos

Rank VI
Launch Member

Traveler III

3,402
No
First Name
No
Last Name
No
Some one more knowledgeable than myself will probably know the answer but looks like it is a amp meter as well? In this case the ground wound be reading the amount of amps flowing through that specific current ( looking at diagram looks like it is only rated up to 15 amps). So if that the case you would have a 12v in and you would have the ground for that component (s) go into the meter and out of the meter to ground. So basically wire the ground from the components into the meter then ground the meter itself. That is what I am getting from the diagram at least.

Hope this helps
It does help, thank you