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I have no power at the fuel pump relay 2000 gmc sonoma 2.2 ext cab

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Do you mean no voltage on any of the relay contacts? Then check the fuse.
If you have voltage input to the relay but no output then check the relay. There should always be voltage on one side of the relay contacts, but on the coil contacts there should be voltage across them only when the ignition is on or engine running.

Posted on Jan 03, 2017

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