Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem. It allows 12-volt relays to be operated from 6 or 9 volts, ...

We show you how to wire in an electric fan relay kit with a thermostatic switch. If you've got an electric cooling fan on your classic car or hot rod and you want to know how to wire it with a relay, ...

A 12-volt outlet is a convenient feature on many vehicles allowing you to use electronic devices while driving or riding in the car. However, it's important to note that these outlets are intended for ...

Cars, trucks, RVs, and motorhomes run dual 12-volt batteries for various reasons. Depending on how you wire a two-battery 12-volt system, the result can be a 12-volt system or a 24-volt system—or even ...

Year by year, lithium-ion battery technology improves, and EV range and performance leap forward. We're now seeing electric pickups trucks with what would've been supercar acceleration not too long ...