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1994 Jeep Grand Cherokee - problems after fuel pump replacement

My jeep grand Cherokee Laredo had to get a fuel pump replaced so I dropped the tank and replaced it then I went to go test it the pump worked fine but fuel gauge red empty and the gas light is on it’s been this way for 3 weeks now
I’ve let the gas run out then I filled her up completely (45$ to fill her up from passed experience)

Can someone please tell me what is going on and how I might fix it?

Either you did not get the fuel sender connected when you replaced the pump or you got the sender jammed in the down direction or the pump assembly you bought has a bad fuel level sender. In any event - sorry to tell you - the pump’s gotta come back out.

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