![]() ![]() The plastic cover of the relay housing ensures a tidy installation and safeguards the main power stud and triggers against contamination and accidental contact. They offer independent 40A outputs and configurable single-wire activation, along with LED status indicators and low profile JCASE fuses for protection. With single, dual, and 4 channel options available, these modules are designed to simplify wiring and installation in most automotive electrical systems. MSD’s new line of relay modules is an affordable and efficient solution for controlling high voltage and current electronics in vehicles. We’ve used many of them and can tell you they make for a handy solution. Instead, you keep the big wire runs as short as possible and only run small remote wires through the car.Ĭheck out all the relay options from MSD below. ![]() They make it so you don’t have to run big wires and big electrical loads all through a vehicle. Then you run a little bitty wire to a switch in the dash, or to the controls in your Holley EFI, and that remotely triggers the relay to turn on and off when needed. So you put this high power switch, or relay, between the battery and your big giant electric fans, so it can turn them on and off. But this switch is remote-controlled by just a tiny little wire that doesn’t need to be able to handle that level of current. One that can handle 20, 40, or even 60 amps of power running through it. Think of a relay as a high-power capable switch. At their core, a relay is really quite simple. Our Battery Isolator Systems are fully sealed and have NO moving parts meaning you can always rely on our kits to work in the tough environments of motorsport. New cars have much larger alternators than our 1960’s muscle cars ever came with, and with new engine swaps and such all that comes with it.īut controlling all these electrical loads now falls to the installer, because there isn’t a factory electrical system in place to do it for them. Master Switch failed during a race At Cartek we have been producing the Solid State Battery Isolator for over 10 years now, and is now widely used by OEM Manufacturers. And that technology is spilling over into hot rods, customs, and race cars because we are using more and more technology even in rides that never came with it from the factory. Yes there are advancements in things like LED lighting that drastically reduce the power needed, but at the same time there are more and more electrical items in today’s cars. The electronics in cars are getting smarter, more powerful, and in some cases more power hungry. ![]()
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