12V Circuit Protection for Automotive & Trailer Applications Once your wiring fundamentals are in place from Pt 1, the next step is protecting your system from electrical and mechanical hazards. Proper 12V circuit protection, mechanical safeguards, and thoughtful design are essential to prevent overloads, short circuits, abrasion, moisture damage, and heat-related failures. This guide covers […]
Automotive, trailer, and specialty vehicle wiring operates in some of the harshest electrical environments. Unlike stationary systems, vehicle wiring is constantly exposed to vibration, temperature extremes, moisture, road spray, chemicals, and abrasion. Getting the basics right is critical — from selecting the right wire to creating secure terminations and establishing reliable grounds. In this guide, we cover the fundamental principles every […]
Ensuring dependability, safety, and long-term performance are more important aspects of a secure electrical connection than simply connecting wires. The proper wire terminal keeps circuits stable and avoids risks like shorts, loose connections, or system failures, whether you’re working on automotive, marine, industrial, or do-it-yourself applications. Seven of the most popular terminal types are broken down below, along […]
Electrical connections are the backbone of any reliable system, and safety starts with a proper crimp. A poor crimp can lead to voltage drops, overheating, or even system failure. That’s why UL-rated crimps are the gold standard. They ensure your connections meet rigorous safety and performance requirements. In this guide, we’ll walk through how to create a proper UL-rated crimp […]
When working on 12V automotive or industrial electrical projects, visualizing how a switch functions can be the key to wiring it correctly—and safely. While terms like SPST, SPDT, DPST, and DPDT may sound like alphabet soup at first, they each represent a specific type of switch with a unique wiring configuration. To make things clearer, […]
Whale Heat Air is the ultimate propane heating solution for the RV market, designed to be lightweight yet powerful, and perfect for creating additional space. This innovative heating system is suitable for a variety of recreational vehicles, including towables, motorhomes, and campervans. Its compact and space-saving design features a narrow, rotatable structure that can be […]
The thermal indicator aims to offer installers an extra visual signal as the solder sleeve transforms and flows into the crimp barrel window. A prevalent error when using solder connectors is insufficiently heating the solder, leading to a cold solder joint, which compromises termination quality. To avoid this, the red dye provides an additional visual […]
Steve Kobak talks to @lowlifechopperpodcast about what it took to build a chopper from the ground up. Listen in and find out Steve’s best tips and tricks for getting your first build off the ground. Del City has a wide selection of 12V electrical products for any project, Steve used our Auto Reset Stud Mount […]
Learn how to test a fuse in this video. To be sure that your fuse is working properly, the best traits to test are voltage and continuity. Del City uses a multimeter to test both of these traits on a variety of fuse types. If you find that your fuse isn’t working properly, check out […]
Learn how to replace a fuse in this video. A blown fuse will cause your electrical project to not work and may indicate a wiring problem. We will show you how to replace multiple kinds of fuses including ATO/ATC, AGC, JCASE, MEGA, MIDI, and Marine. Enjoy and follow the step-by-step instructions to replace your fuses!