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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.
Starter Motors Going Bad - May Display A Few Symptoms First
Starting Systems

Starter Motors Going Bad – May Display A Few Symptoms First

10/31/2025
The starter motor, is what gets your engine running, when you turn the ignition key or push the start button. So, a starter motor, gets a lot of wear during its life. As a result, […]
Car Battery - Know What Can Go Wrong, Before You Disconnect It
Electrical Systems

Car Battery – Know What Can Go Wrong, Before You Disconnect It

07/06/2025
Did you know, disconnecting a car battery for any reason, can cause unexpected things to happen. So, before you disconnect it, there are some things you need to know. First, battery voltage must be maintained […]
Fuel Pump Relay - Function - Failure - Testing Procedures
Electrical Systems

Fuel Pump Relay – Function – Failure – Testing Procedures

06/09/2025
The fuel pump relay, is activated whenever the ignition is turned on. So, the primary function of the fuel pump relay, is to maintain a steady voltage supply to the fuel pump. Therefore, when switched […]
No Picture
Starting Systems

Starter Motor Going Bad: May Display A Few Warning Signs First

02/09/2025
The starter motor, is what gets your engine running, when you turn the ignition key or push the start button. So, a starter motor, gets a lot of wear during its life. As a result, […]
Push Button Start
Electrical Systems

Push Button Start Troubleshooting: Why Won’t the Engine Crank?

12/23/2024
Many newer vehicles have replaced, the traditional key-style ignition switch, with a push button start. As technology advances, our lives become more convenient, but are we also putting ourselves at risk? Will the push button […]
Alternator Or Battery Failure
Electrical Systems

Alternator or Battery Failure: How to Diagnose and Save Money

10/30/2024
Having a alternator or battery failure is bad new, because they are both components of the charging system. That makes diagnosing a alternator or battery failure, a bit tricky. Because, the electrical power in your […]
Automotive Car Engine Sensors
Electrical Systems

Automotive Sensors: Monitoring Your Vehicle’s Vital Signs

10/27/2024
Before the use of computerized automotive sensors, fixing a car was way easier. In the old days, it was a lot different. For instance, either moving a distributor, or adjusting a screw on a carburetor, […]

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