One reason heavy trucks repeatedly experience short A/C clutch or compressor life is low voltage at the clutch coil lead wire. On a 12-volt system, the compressor’s clutch needs at least 11.5 volts to ...

Ignition coils sit at the center of every gasoline engine’s spark, yet they usually stay invisible until something goes wrong. When a coil starts to fail, the symptoms can look like fuel problems, ...