Technical Info
What Do DIN Style Automotive Relay Pin Numbers Mean?
Tool Demos explains what DIN style automotive relay terminal numbers mean and shows how they work and how you can remember which one does what. [More…]
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Relay
How To & DIY
How To Keep Cooling (and Other) Systems Running After Power Is Off
See how the MSD’s Solid State Relay was used with a time-delay relay to keep engine cooling fans running after the engine is shut off. [More…]
How To & DIY
How To Wire An Automotive Relay
A 4 or 5 pole automotive relay is a simple solution to switching power to high current devices and loads. Here’s how to wire one. [More…]
How To & DIY
How To Wire Your LS Swap Fuel Pump and Fans with Relays
From The Driveway Engineer: Relays Made Simple ~ How to wire your fuel pump and fans, plus how to enable fans in HP Tuners. [More…]
DIY Projects
How To Brighten Classic Car Headlights with Relays
Classic car headlights are prone to voltage loss due to how they are wired. Add two relays to the system to quickly solve the problem. [More…]
Automotive Basics
Understanding Automotive Relays
A relay is essentially a switch that is operated electrically rather than mechanically and are used extensively in vehicle electrical systems. [More…]
Automotive Basics
Automotive Electrical Circuits 101
Two Guys Garage co-host Kevin Byrd clearly explains automotive electrical circuits and how they work to power your automobile. [More…]