Find Faults Fast! How to Use a Multimeter on Guitar Electronics

In this video, I'll show you how to use a multimeter to troubleshoot and test essential parts of your guitar's electronics! Whether you’re a beginner or looking to expand your DIY guitar maintenance skills, these steps will help you find and fix common issues like loose connections, faulty wiring, and more.

Here’s what we’ll cover:

9V Battery Test: Make sure your active pickups have the power they need by testing your battery voltage.
Output Jack Connections: Learn which connections go where to keep your guitar’s signal flowing without interruptions.
3-Way Switch Check: Test each position on your selector switch to confirm you’re getting the right pickups engaged.
Single Coil & Humbucker Output Test: Discover how to measure and understand the output of your pickups, so you know they’re working as they should.
Cavity Shielding Test: Ensure your shielding is effective to reduce hum and keep your sound as clean as possible.
Grab your multimeter and let’s get started! Whether you're fine-tuning your tone or troubleshooting a wiring issue, these techniques will have you finding and fixing problems fast.

Curley Oak Pickups can be found here:

https://www.curleyoakpickups.co.uk/

00:00 Multimeter for Guitar Electronics
02:55 Testing a 9V Battery
04:34 Checking Output Jack Connections
08:50 Verifying 3-Way Switch Positions
11:14 Measuring a 500K pot
15:39 Measuring Single Coil & Humbucker Output
20:32 Testing Cavity Shielding for Hum Reduction

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Keiron

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