Electrical Systems

Master the complex world of Automotive Electrical Systems with our expert diagnostic guides. From the foundational “Big Three”—the battery, alternator, and starter—to the intricate network of sensors and wiring harnesses, we help you trace voltage drops and parasitic draws. Our resources cover everything from testing charging systems with a multimeter to understanding how the ECU (Engine Control Unit) communicates with ignition and fuel components. Learn to read wiring diagrams, fix blown fuses, and solve the “crank but no start” electrical gremlins that keep your vehicle off the road.

Diagnosing Starter Problems : Common Issues and Solutions

05/27/2024

Diagnosing starter problems, begins with knowing the basics, of how an engine actually starts. Above all, the engine has to turn over, at the correct speed, before it will start. However, if that does not […]

Car Starter Motor – Common Failure Symptoms And Diagnosis Tips

05/15/2024

KNOWING THE SYMPTOMS OF A FAILING CAR STARTER MOTOR, CAN HELP YOU DIAGNOSE MANY PROBLEMS. When diagnosing car starter problems, always start with the car battery. So, for your starter to work properly, your car […]

Cooling Fan Relay – What Does It Do – Failure Symptoms – Testing

05/07/2024

THE COOLING FAN RELAY ESSENTIALLY FUNCTIONS AS, THE ON/ OFF SWITCH FOR THE ENGINE’S COOLING FANS. And, is therefore an important electrical component, of the engine’s cooling system. As a result, most cooling fans use […]

Electric Cooling Fan – What Can Stop It From Working Properly

03/04/2024

Is your engine is overheating, or shows signs of running hotter than normal. Then, you may have a problem, with your electric cooling fan. Electric cooling fans are used, to move air through the radiator, […]

Starter Problems – Funny Sounds, No Sounds, What Do You Hear

02/26/2024

What if your engine is cranking as usual, but refuses to start. You’re likely dealing with an ignition or fuel system issue, not starter problems. If you don’t know anything about starter problems, then it’s […]

Automatic Shutdown (ASD) Relay – Function – Failure – Testing

01/22/2024

The function of the automatic shutdown (ASD) relay, is to shut off power to major systems. When the key is turned off, as a safety feature. So, when the automatic shutdown (ASD) relay is on. […]

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