All Circuit Puzzle Solutions in Resident Evil 4

Resident Evil games are famous for many things, one of which is their door puzzles. Resident Evil 4 features some of the most creative puzzles in the game's history, and well, they are not exactly easy to solve.

One group of puzzles involves activating some really tedious circuits. If you're struggling to solve this on your own, fret not. Here's every circuit puzzle solution in Resident Evil 4. There are three circuit puzzles in Resident Evil 4. You will come across them in a facility on the island where Ashley is being kept. Solving two of these puzzles is mandatory to proceed further into the story, whereas the third hides a secret weapon called LE 5. 

All circuit puzzle solutions in Resident Evil 4.

The trick is to calibrate the circuits in such a way that power flows through all the nodes.

Below you will find solutions for each of these circuit puzzles. 

Circuit puzzle solution 1

The first circuit puzzle is in the Dissection room, where you get the level 1 keycard. 

Circuit puzzle solution 2 (optional)

The second circuit is in the Freezer room, where you get the level 2 keycard. 

Circuit puzzle solution 3 

The third circuit puzzle is on the door you encounter after rescuing Ashley. 

And that's it! This is arguably one of the most challenging sets of puzzles in Resident Evil 4, and we hope you find this guide helpful. 
That concludes our guide on the circuit puzzle solutions in Resident Evil 4.