Fuel gauge of 2003 Mitsubishi Montero Sport suddenly stopped working and I suspected the fuse that have been able to locate where the fuse is located.

This link shows all the parts you should have. The fuel system should be fully sealed, with no gas pouring out ever.

https://mitsubishiforum.com/forum/mitsubishi-montero-montero-sport-14/montero-sport-fuel-system-diagram-45226/

https://www.google.com/search?q=1999+Mitsubishi+Montero+Sport+fuel+tank+parts+diagram

..

you have to test them with a pressure gauge which is normally on the fuel rail on the engine. You can often hire the gauges from AutoZone. As regards to 'not working', you should be able to hear the pump when the ignition of switched off. Check the fuse and the relay if you suspect sabotage.

https://www.google.com/search?q=mitsubishi+pajero+io+check+high+pressure+fuel+pump

Fuse Box Diagram Mitsubishi Pajero II (V20; 1991-1999)

https://fuse-box.info > mitsubishi > mitsubishi-pajero-ii-...
Fuse box diagrams (location and assignment of electrical fuses and relays) Mitsubishi Pajero / Montero / Shogun (V20; 1991, 1992, 1993, 1994, 1995, 1996, ...
..

Question edited for clarity

Not easy to get to or change according to this.

https://www.justanswer.com/mitsubishi/5693h-crankshaft-position-sensor-located-2003-montero-is-diagram.html

More
https://www.google.com/search?q=2002+montero+sport+xls+2wd+3.5+v6+crankshaft+sensor+location

..

You need to determine if it's the horn or the alarm. My Montero (not Sport) had 3 horns. All 3 of which go off w/ the Alarm, but only one is connected to the horn on the steering wheel. I could not make mine go off w/o pulling the relay under the hood.

My spring was bad in the steering wheel. I was able to bypass the wire using instructions that I actually found on a Mitsubishi Forum. Link below:

http://mitsubishiforum.com/forum/mitsubishi-montero-montero-sport-14/horn-wouldnt-stop-2003-montero-limited-how-i-fixed-37779/

or

http://www.pajero.guru/how-to-fix-pajero-stuck-horn-problem-step-by-step-guide/

change your fuel pump float in the tank

There are 2 fuse boxes, one is near the hood release on the drivers side below the steering wheel left side, the other is actually under the hood on the drivers side

check fuse/brake light switch/wiring at bulb holders

open the hood and locate the horn.., it will have 2 wires connected.., disconnect any one of them and horn will stop working.... this is just a work around.., u can also locate the fuse box and remove the fuse for the horn., and that will do.

check the fuse box on the driver side of the car underneath the dash near the door the fuse is probably blown

I had the same problem. The fuse for the accessory plugs are not in the fuse box above the drivers feet it is in the group of fuses just above it. The owners manual describes it as location #16. It is a 15v fuse.