# Using a multimeter for guitar wiring

Canonical page: https://guitarwiring.app/courses/multimeter

Set up a meter and use it to check pickups, pots, switches, jacks and a finished harness. Learn what each reading tells you and where its limits are.

Level: Before you solder

## Chapter outline

1. Meter setup
2. Continuity mapping
3. Measuring components
4. Output jack tests
5. Fault finding

This public page is a course introduction. Full lessons and account-bound completion are in the app, included with Pro.

[Open course in the app](<https://app.guitarwiring.app/courses/multimeter>)