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Your Direct Connection for 12V Electrical Industry Expertise.

On the Del City Blog you will find answers and information such as how-to’s, product knowledge, industry news, and more! At Del City, we know how important it is to not just have your supplies, but also to have industry resources.


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Recent Posts

How to Install LED Light Strips

Flexible LED Light Strips can be used on a wide variety of projects. They can be utilized for the interior...
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How Do Automotive Relays Work?

Relays are switches controlled by electrical power, like another switch, computer or control module. The purpose of an automotive relay...
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Understanding the Different Types of Loom

Understanding the Different Types of Loom

There are many different types of loom, understanding the right type of loom for your project will help to ensure...
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Types of Automotive Relays

Many types of automotive relays exist to meet the demands of various applications. Knowing the differences and understanding what to...
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How To Wire Trailer Lights

Wiring up trailer lights can seem like a task with all the different wires you need to run, splice, and...
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7 Way Trailer Plug Diagram

For large over-the-road vehicles, you can’t go without a 7 way trailer plug and socket. Protect your connection from corrosion,...
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What Is A Fuse?

What is a fuse? Simply put, it's your first line of defense against a short circuit. When a circuit experiences...
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How To Install Battery Cable Repair Splices

Quickly and conveniently repair cable harnesses with battery cable repair splices. Instead of replacing the entire harness, simply replace the...
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What Is A Solenoid?

Overview Often times when working on high amperage applications a solenoid is incorporated into the wiring system. This is due to...
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