Wiring A Mono Audio Jack. So it will only use the right channel. To make this distinction plug in a male mono plug into your female jack.
The most common output jack for guitars is the mono or stereo jack. The other lug is the primary lead or the live wire that can be used to power the pickups. This signal is a stereo signal to start with.
You need a way to mix those two signals into one mono signal to feed the line-level input.
Theres a very thin coating of insulating material on each wire which is how they can be bundled together without any plastic insulation. The most common output jack for guitars is the mono or stereo jack. The configurations is the same as above with the addition of an auxiliary prong that can be used for power switching. Standard mm jack pinouts.