This makes your Crybaby wah switch on when you put your foot on it, and turn off when you remove your foot!. It will also be equipped with true bypass. That means that the circuit is actually bypassed when the wah effect is off, instead of passing through its transistor bypass circuit (that ruins your sound, removes clarity, makes distortion sound like a bad fart, etc).
If you might want to control your wah the original way for some reason, then there's a miniswitch on the side that lets you choose between the two modes. When the wah is in foot-on-pedal mode, a green led lights up to indicate this. I also placed a red led that indicates that the wah is on AND in original mode. The thing I hated most about the standard crybaby is that you could not see whether it was on or not!
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Step 1: Buy parts
- 3PDT stomp switch, to replace the stock one
- green 3mm LED
- red 3mm LED
- 350 ohm resistor*
- 390 ohm resistor*
- 3PDT miniswitch
- DPDT mini momentary switch, with button.
- thin electrical wire
- superglue or two led holders
Tools you (might) need
- plyers, for cutting the wires and tightening the nuts
- a wire stripper. You can use the plyers if you dont have one, but be careful not to cut the wire
- a drill and a set of drill bits
- soldering iron
*If you can't find these specific resistor values, take the the nearest value you can find. A higher value is good, but don't get significantly lower because that will cause the LED to burn out. Also, if you think the LED's are too bright, try higher value resistors such as 1K or higher.