Jumper wire
Caution

Voltmeter
is used by connecting the positive (+) probe (red lead wire) to the point where voltage will be measured and the negative (-) probe (black lead wire) to a body ground.

Ohmmeter
Caution

Connectors
Precautions before weldingMazda 6 Service Manual: Master cylinder removal/installation
1. Remove in the order indicated in the table.
R.H.D.
L.H.D.
2. Install in the reverse order of removal.
Master Cylinder Installation Note
Caution
Always install the gasket of the power brake unit push rod before
performing measurement inspections or adjustments.
1. Install the ...
Mazda 6 Service Manual: Before repair procedure
Warning
Fuel vapor is hazardous. It can easily ignite, causing serious
injury and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and
cause serious injuries or death and damage. Fuel can also irritate skin and
eyes. To ...