Mantis
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Loud buzzing is indicative of a failing relay for sure
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Mantis
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Relay will be mounted under the fuse box.
djcodeman
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So anybody got a pic of where The relay is usually located?
Slopoke
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If the pump is running with the ignition in the "OFF" position, I think the fuse tap is in a location that is not switched. If that is indeed the case, look for a fuse that is only "HOT" when the ignition is on. My pump comes on, only when the ignition is on and engine is either running or off.
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