Consumers are connected to the "positive" power source by a wire, and to the "negative" one - through the car body ("mass"). This method allows you to reduce the number of wires and simplify installation

Checking the oil pressure in the Mazda 3 engine
A hot engine and oil can cause serious burns.
Before checking, stop the engine and wait until the engine and engine oil have cooled down

The power supply system consists of a generator, a voltage regulator and a battery.
When these devices work together, power is provided to such consumers of electricity as ignition, headlights, radio, etc.

Removing, checking and installing Mazda 3 clutch
Remove the gearbox in the final drive unit.
Remove the cover of the clutch release fork.