Electrcial circuit shorted by water; how do I find and fix it?

Question edited for clarity, add maker.
Question moved to model category.

Based on our research the RAV4s with wet floors are usually, but not always, clogged sunroof drains or drain outlets. Other RAV4 owners found that the body trim surrounding their windshield or even the fender panel had degraded and failed, allowing water to seep in during heavy rain.
Aug 12, 2015

If the passenger floor of your RAV4 is wet - here is the fix

Torque News https://www.torquenews.com > if-passenger-floor-your-r...

Wet Passenger Floor

Toyota RAV4 Forums https://www.rav4world.com > ... > 4.3 Mechanical
Sep 26, 2015 - After a few years, some foam will start to stiffen up and allowing water to seep past them allowing the water to pool around the opening.

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Depending how the unit is installed..you may have a ground fault type outlet up in the cabinet someplace. Maybe on top of the cabinets. This will cut power to the unit without tripping the breaker. Just find the outlet & reset the GFI outlet. Fix the leak.

Have you checked the fuse . If water penetrated a vital component it is possible you had a short

clean out under the bonnet at the back of the engine behind the firewall ,the outlet pipes are blocked so rain is going through the grill but not running away

u have a shorted out wires under the dash

The reason why the breaker stays tripped is a result of a direct short. Unplug every electrical device plugged into an outlet in both rooms and try the breaker. If it stays on, individually start plugging in each device until the breaker trips, that is the defective device. If the breaker stays tripped, start checking wall outlets for short circuits with an ohm meter. If you did not find a short, check your hard wired lamps and appliances for shorts. If you did not find any shorts the only other problem is a shorted pair of wires in the wall or ceiling. You will need to disconnect any hard wired lamps and appliances and check for shorts between individual pairs of hot (black) and neutral (white) then hot and ground. I have a short circuit finder, but you do not need one because the technology is not perfect and you may have to manually check for shorts with a meter anyway which never lies.

Find the source of the leak and fix that. Once water gets into the fuse box it will short circuit the componets such as fuses and cause all kinds of problems.

Check your fuse for the windows and locks, water has shorted out the switches or cased a fuse to blow. But check the fuse first. The fuse location would be listed in the manual or on the inside of the fuse door panel.

WATER INSIDE A SWITCH IS JUST LIKE A WIRE CONNECTING TWO POINTS , SOMETHING HAS SHORTED AND UR ONLY OPTION IS TO REPLACE THE SWITCH.