Lemmy explains why this basic task always comes before removing the positive cable to help you understand the theory behind the practice.

Not so long ago, forced induction was mostly limited to high-performance sports cars and diesel trucks. Join Lemmy and Nick for a deep dive into modern forced induction systems and the parts that keep them running.
Shop Press photographer Mike Apice recently visited Indiana, exploring the local scene and a few repair shops. Here’s a bit of what he saw behind his lens.
When plastic parts break, sometimes replacements can be prohibitively expensive or hard to find. Learn how to use a hot staple tool to salvage broken plastics for auto repairs and other projects.
Learn how stop drilling can help to prevent cracks from propagating with a little know-how and a drill.
Lemmy tries out the cheapest lab scope available on Amazon.
Coiled wire is a smart idea for adding service loops or mechanical strain relief on automotive electrical jobs or other projects.
Removing old solder is a crucial part of preparing a component for a new soldered connection, and a desolder pump (often called a solder sucker) is the ideal tool for the job.
When placing an airbag on a workbench, which is the safest direction for it to face? We have the answer.
You know what bump steer is. Where does it originate?
When the pump automatically shuts off after filling a vehicle’s tank, many people are tempted to add a little more gas. Unfortunately, this can do more harm than good, and the repair bills could add up quickly.
It isn’t the “registration and insurance card box,” after all.
What do you check during drum brake service?