Not getting fuel tank to pressurize replaced fuel pump

What is your question?

I replaced the fuel pump. After replacing cannot get engine to prime up. No pressure is building in tank. Seal is under all 4 notches on fuel pump. Fuel lines are clear, and are not kinked.

What makes this problem better or worse?

Starting fluid helps start the Blazer, but dies out when runs out.

How long has your 2003 Chevrolet Blazer had this problem?

Vehicle has been sitting for 2 years.