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2000 Chevrolet Express 3500 Question: hot wire for fuel pump

 

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Visitor, 5.7L V8, Houston, TX, November 02, 2010, 14:31

which wire is the hot wire for the fuel pump

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, November 02, 2010, 23:12
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    ECM B fuse 20 amp brings power to the fuel pump relay gray is live at the fuel pump, black is ground.

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