How to hook up elecrical guages

yeah i got my amp meter bypassed that was my first big thing, i couldnt figure out why i had no power at the dash.... :cwm10: very frustrating, anyways i got a guage hooked up now and i am getting power. i checked my wires for my oil and temp guage, they are all good i examined the firewall plug it looked alright, and i made sure the connection was good to the guage, i grounded out the guage again, still nothing. i guess it still could be the senders or the guage, but i would probably replace the guages anyways concidering they are not very accurate. I'm going to buy guages but my dad suggests do that down the road, i may be getting a lil ahead of myself i have to fix the fenders and grill before its road worthy anyways