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LP Junior wiring

2 LP Junior wirings side by side, each with its full diagram and every sound it makes — series, parallel, phase and hum-cancelling worked out per switch position.

Single P-90 (1V1T)

1 distinct sound.

Parts

• Bridge P-90
• 2× 500k audio
• 0.022 µF tone cap

Every distinct sound this wiring produces, worked out from the circuit.

Sound	Switch setting	Hum-cancelling	Phase
Bridge	No selector	No	—

Wiring list

Every wire in solder order — grounds first, output last. The list is generated from the same netlist as the diagram.

1. Grounds first
2. Solder a black wire from the second leg of 0.022 µF to the ground lead from Bridge.
3. Solder a black wire from the ground lead from Bridge to lug 1 on Volume.
4. Solder a black wire from lug 1 on Volume to the sleeve lug on the jack.
5. Pickup hots
6. Solder a red wire from the hot lead from Bridge to lug 1 on Tone.
7. Solder a red wire from lug 1 on Tone to lug 3 (CW end) on Volume.
8. Controls
9. Solder a gray wire from the first leg of 0.022 µF to lug 2 (wiper) on Tone.
10. Output last
11. Solder a gray wire from lug 2 (wiper) on Volume to the tip lug on the jack.

Open this wiring in the app

50s values (500k/250k)

1 distinct sound.

Parts

• Bridge P-90
• 500k audio
• 250k audio
• 0.022 µF tone cap

Every distinct sound this wiring produces, worked out from the circuit.

Sound	Switch setting	Hum-cancelling	Phase
Bridge	No selector	No	—

Wiring list

Every wire in solder order — grounds first, output last. The list is generated from the same netlist as the diagram.

1. Grounds first
2. Solder a black wire from the second leg of 0.022 µF to the ground lead from Bridge.
3. Solder a black wire from the ground lead from Bridge to lug 1 on Volume.
4. Solder a black wire from lug 1 on Volume to the sleeve lug on the jack.
5. Pickup hots
6. Solder a red wire from the hot lead from Bridge to lug 1 on Tone.
7. Solder a red wire from lug 1 on Tone to lug 3 (CW end) on Volume.
8. Controls
9. Solder a gray wire from the first leg of 0.022 µF to lug 2 (wiper) on Tone.
10. Output last
11. Solder a gray wire from lug 2 (wiper) on Volume to the tip lug on the jack.

Open this wiring in the app

Something wrong, or missing?

A wrong diagram is worse than no diagram. If a lug, a colour or a sound looks off — or your guitar is not here — say so and it gets looked at.

What is this about? Something in a diagram is wrong A guitar or wiring is missing An idea for the site Something else Which wiring? Not about a specific one Single P-90 (1V1T)50s values (500k/250k) What should we know? Email Optional. Only used if the answer needs a follow-up question.

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