S.O.S - Jedi Knight Dark Forces II - S.O.S

I am in the level "Coming Back Home" and i have already killed all the monsters in the house and i dont know how to continue. i have got the red key, the yellow key and the blue key but i dont find a door or a way to continue. i have jumped into the water to find a way but nothing. PLEASE HELP ME TO BE A JEDI.

Sorry for the words i am from BRASIL and i dont practice my english very much.

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Joao Fernando

You need to hop in the water and look for a whole to swim in. This will lead you to a room where you can use 2 of the wrenches (the blue and yellow i believe) to turn the barriers in the water. Cross on this barrier to the final area.