Volt meter gauge?

[Vernski]

I was trying to hoke up a volt meter gauge and no mater how it is hooked up it don't seem to want to work. This is a after-market gauge so what is the proper way to hook one up? I thought you run a wire from the alternator to the gauge and then from the gauge to the bat. I hooked it up so many different ways I may have screwed up the gauge it is made by Auto-gauge. If you have any feed-back on the proper way to install it it sure would be welcome. I'm thinking the gauge is faulty or I fried it? Thanks for any advise.Vernski