Older vehicles use fusible links because they are cheap wires with high-temperature insulation. Their reliability makes them appealing. However, many manufacturers prefer to install inline fuses in...

Laypeople expect the alternator to charge the battery. But if that is true, why is your alternator draining the battery? 1). Excess Heat Mechanics expect alternator diodes to last the...

The battery and alternator are intimately intertwined. You can’t use one without the other, at least not in a vehicle. But does that mean a weak or damaged battery can harm the alternator? A...

The alternator doesn’t stop at running the electronics. It also charges the battery, but only when the engine is running. A one-wire alternator that refuses to charge the battery should worry you...

Ensure alternator belt tension is tight enough to prevent slippage under load but not excessively stressing the belt or bearings. Use a 1/4" rule or a belt tensioner for accurate reference Do you...

The alternator belt should generally be changed every 60,000 to 100,000 miles for serpentine belts. Factors such as age, quality, tensioner condition, maintenance, and temperature can influence the...