Vehicles have various electrical parts. To protect the parts from excessive current generated when welding, be sure to perform the following procedure.
1. Turn the ignition switch to the LOCK position.
2. Disconnect the battery cables.

3. Securely connect the welding machine to the ground near the welding area.
4. Cover the peripheral parts of the welding area to protect them from weld spatter.

Electrical troubleshooting tools
Jacking positions ,vehicle lift (2 supports),safety stands (rigid rack)
positionsMazda 6 Service Manual: Rear brake (disc) inspection
Brake Judder Repair Hint
1. (See FRONT BRAKE (DISC) INSPECTION.)
Disc Plate Thickness Inspection
Caution
Excessive runout may result if the disc plate is removed from the
vehicle then machined. Machine the disc plate while installed on the
vehicle.
1. Measure the thickness of the dis ...
Mazda 6 Service Manual: Stabilizer control link inspection
1. Remove the stabilizer control link from the vehicle.
2. Inspect for bending and damage.
3. Measure the ball joint starting torque.
(1) Rock the ball joint stud side to side 10 times.
(2) Rotate the ball joint stud 10 times.
(3) Measure the starting torque using a suitable allen so ...