Switch off the circuit breaker supplying power to the dishwasher.
Remove the 6 screws that hold the plastic face of the inside of the dishwasher door, and lift out the inside liner. This may be a good time to wash it down, as it is probably a little messy. It may also be a good idea to put something a little heavy onto the door to keep it laying in the open position as the springs will keep lifting it back up.
Remove the screw holding the spring device down over the interlock switches and the thin plastic cover and put aside ready for re-installing again later. The spring may have flattened a bit and it may be a good idea to bend the end open, just a little, to give it back some tension. This is the spring that activates the interlock switches when you latch the door.
Unclip the faulty Interlock Switch by pushing (with your fingers) the little plastic clip holding it in and lifting it out of its cradle. If the switch to be replaced is the one furthest from the machine (or nearest the top of the door) you will have to take the bottom one out first so that the clip can be released.
Using small pliers pull the electric connectors off the faulty switch and reconnect to the new switch in the same way that the faulty one was wired.
Snap the switch (or switches) back into place in the cradle.
Replace the spring activator along with the plastic sheeting and screw that back in.
Put the inside of the now clean door back down into place, making sure the on/off lever is inserted through the slot in the front of the door, and that the piece of Styrofoam is inserted back into position.
Screw the screws back in, starting with the one at the top center nearest the on/off lever and then work your way down the sides from top to bottom.
Switch the circuit breaker back on and give it a whirl. Enjoy!
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