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Old 04-26-2019, 10:35 PM   #1
70CHEVYBB
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Join Date: Feb 2012
Location: chillicothe, illinois
Posts: 688
Fuel pump not turning on

Working on my first ls swap. I have a 72 i put a 5.3 in. It cranks over but fuel pump is not turning on. I have a psi harness on the engine and a boyds tank and pump set up. I have power to the fuel pump relay and have swapped the relay with another and still nothing. Any thoughts?
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