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no power to 2002 50 efi fuel pump mercury

Fuse gone somewhere, bad wire, bad ground, toasted pump, bad battery, bad battery cable - sorry but your question is quite vague.

Issues such as this require trouble shooting - there is no "single answer" to what the problem could possibly be.
 
Fuse gone somewhere, bad wire, bad ground, toasted pump, bad battery, bad battery cable - sorry but your question is quite vague.

Issues such as this require trouble shooting - there is no "single answer" to what the problem could possibly be.
Hello thanks for the response I got it running last night, there was corrosion in the relay and the fuse block ,what happened was that I bought it of a couple that got swamped,they submerged it in salt water,it was under for a couple of hours I cleaned out everything all the wires etc, rinsed out oil tank added new oil, It had 150psi on all cylinders ,well it ran for about 10 minutes and then it locked solid to bad it looks like a brand new engine
 
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