Help with Ammeter/Voltmeter

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http://forum.allaboutcircuits.com – Hi guys, i bought an ammeter/voltmeter off ebay, but I cannot work out how to connect it in my circuit. I want to know how many volts and amps my Solar panels are producing. Can any body help? Below is 2 links showing the unit and the wiring diagram. I have wired ammeters and voltmeters in my cars before, but I just cant get the gist of this. Thank you guys:):confused: http://i1333.photobucket.com/albums/...ps6d7cb57f.jpg http://i1333.photobucket.com/albums/...psa7050e15.jpg (Embedded)