When we realize the need for a battery disconnect switch, we understand that its primary function is to prevent power leakage, and anti-theft, and ultimately, prolong the operation of our vehicles. However, once we decide to use a battery disconnect switch, another daunting question arises—how to correctly install the switch? You might encounter these questions: Should the disconnect switch be connected to the positive or negative terminal of the battery? Where should it be installed? And what tools do I need during the installation process? Let’s unravel the answers to these queries in the upcoming sections.
4 things need to be known before installing battery disconnect switches
- Select battery disconnect switch installation kits.
- Should Battery Master Switches Be Linked To The Positive Or Negative Side?
- Where Is The Best Mounting Location For Battery Disconnect Switches?
- To be safe, please ground your battery disconnect switches properly.
Select Battery Disconnect Switch Installation Kits
- Cable: Keep in mind that selecting reliable ones. You should avoid the one that has a thick outer casing to make it look heavy gauge.
- Cable Lugs: Based on the diameter of the battery disconnect switch terminal and the battery terminals, choose the correct size of cable lugs. Common sizes include 1/4 inch (M6), 5/16 inch (M8), and 3/8 inch (M10). Consider choosing tin-plated cable lugs for their corrosion resistance and superior performance compared to bare copper terminals.
- Heat shrink
- Hammer Crimpers
- Mount bracket (optional)
- Wrench
Where Is The Best Mounting Location For Battery Disconnect Switches?
Here are rules for you to mount battery disconnect switches on your truck or marine boat.
- Should be placed as close to the battery as possible while providing the operator with easy access to the actuator
- Make sure the switch is out of the weather
After reviewing people’s different ways of mounting battery disconnect switches, I recommend some positions.
- Under The Car Hood
- Around Driver’s Side
Should Battery Master Switches Be Linked To The Positive Or Negative Side?
If you Google or refer to a wiring diagram, you’ll find instructions suggesting connecting the battery disconnect switch to either the positive or negative terminal of the battery. However, from a safety perspective, it is advisable to connect the battery disconnect switch to the negative terminal of the battery. This choice is a wise decision, enhancing the overall safety measures associated with the operation of your vehicle or boat.
To Be Safe, Please Ground Your Battery Disconnect Switches Properly
Make sure that you ground your cutoff switches properly. Because the primary issue encountered in electrical projects often revolves around bad ground