No fuel gauge power
 

Salutations i have a problem all and i need some help solving it. The problem is when im driving or when the keys on for that matter my fuel gauge is not operating. I thought it might be the level sending unit so I got a new one and installed it, but the new one didnt work. Then one day I was messing with it and i had all of the screws out on the cover to the fuel pump and I turned the key on and the fuel gauge went on and actually worked, I thought I had fixed the problem screwed it back in and turned the key back on and low and behold the gauge didnt work again. So a friend of mine said that there was problem with the grounding. So I just need a little bit of help fixing this problem.
Thanks in advance.

So no one has any insite?

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