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First, remove the cigar lighters ans see if the noise stops.
Second, remove fuses one at a time to locate which fuse is associated with the noise.
Third, if that does not help, post the make, model, and year of the car so we can help you more.
It's very possible that a wire connection came loose and makes connection when you jiggle the fuse box. Be careful when working with the box as wires may come disconnected then you'll be in big trouble not knowing what goes where. Hope this helps.
You actually have two fuel pumps - one in the tank (booster pump) and one under the car (main pump). The noise is probably the main pump cavitating due to the boost pump not working. Check your fuse box for the in-tank pump fuse being burnt, check the fuel relay to make sure it is clicking, and then check your boost pump to make sure it is working. If all those are okay, maybe you have a leaky hose introducing air into the system before the main pump causing the noise. Just my 2 cents...
This sounds like you may be fighting more than one problem at a time.
First, I would replace the main relay (often located near the fuse panel under the dash).
Next, I would check all battery connections and even though the battery is relatively new, you probably should have it load tested.
THE HUMMING NOISE IS YOUR SECONDARY AIR INJECTION PUMP. THEY TEND TO BE NOISEY AT START-UP. IF IT IS NOT WORKING COREECTLY IT WILL SET A CHECK ENIGNE LITE. THE CLICKING NOISE IS NORMAL IF IT GOES AWAY AFTER WARM-UP. THESE MOTORS ARE NOISEY WARMING UP DUE TO THE HYDRAULIC LIFTERS.
-if your fuses are blowing
-the problem is in the wiring
-because if too much amperage flows through the fuse will blow
-there's probably a short to ground somewhere or high resistance after the fuses causing it to draw more amps