Ford Focus Forum, Ford Focus ST Forum - View Single Post - Fuel pump problems
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Old 10-27-2012, 05:56 PM   #8
1turbofocus
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The voltage to the pump works like the , the 12 volt hot is hot all the time so if you check the 12v + side it will show good

The Focus fuel pump works off a ground base and the ground is regulated so you would need to check both the + and the - side to confirm you have both at the fuel pump wiring after the fuel pump module

Tom
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