#1
Hi. I want to make THIS booster and fit it in my guitar. I would replace one of the tones in my strat with the boost pot from this and use the other tone for all 3 p'ups. My questions are:

1, What would I need to do to remove the LED from the circuit
2, And if I removed the LED, there would be one pole left on the 3pdt switch. Because there is no stereo jack in use, how would I connect the battery to the spare pole to stop the battery being turned on permenantly.

Thanks
#2
1. don't wire in the LED, its just a matter of offboard wiring

2. drop the footswitch and get yourself a regular DPDT toggle switch
also, its ill advisable to set-up circuits like that so you disconnect the power....it usually leads to an annoying popping sound whenever you turn it on. a stereo jack is like $1.5

also, you might actually want to leave it always on and just roll off the boost when you do/don't need it. Having that in the guitar will act as a buffer which will give you a more consistent sound with different cables/longer cables
#3
In that case, how would I use the output jack to turn the battery on/off? On their schematic the input jack is the stereo, and how you would wire it...
#4
you would wire the negative terminal of the battery to the stereo part of the jack. Since the cable is not stereo, this will be connecting it to ground.

A battery cannot have a flow of electrons without both of the terminals being in use. So the circuit won't get power until a cable enters the output jack giving the negative terminal of the battery a way to flow
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