How to Replace the Fusible Links in a 1993 Geo Metro

How to Replace the Fusible Links in a 1993 Geo Metro


Replacing the fusible links in an older vehicle like a 1993 Geo Metro can be an intimidating task for a do-it-yourselfer. However, with some basic tools and a little bit of know-how, it's a straightforward job that can be accomplished in an afternoon. In this guide, I'll walk you step-by-step through the complete process of locating, testing, and replacing the fusible links in a 1993 Geo Metro.

What are Fusible Links?

Fusible links are a type of circuit protection device found in older vehicles like the Geo Metro. They are designed to protect against electrical shorts by "blowing" or melting when too much current flows through them. This breaks the circuit and prevents damage to the wiring harness or other components.

Some key things to know about fusible links:

Locating the Fusible Links

In a 1993 Geo Metro, the fusible link bundle will be found attached to the positive battery terminal.

To locate:

Testing the Fusible Links

Before replacing any fusible links, you'll want to test them to determine which ones need replacement. You can use a multimeter or test light.

To test with a multimeter:

To test with a test light:

Removing the Bad Links

Once you've identified the blown fusible links, it's time to remove them:

Installing the New Links

Here's how to install your new fusible link wires:

Verifying Repair

To be sure the new fusible links are working properly:

And that's it - you've successfully replaced the blown fusible links in your 1993 Geo Metro! Taking the time to properly test, identify, and replace each damaged link will help keep your vehicle's electrical system protected for years to come.