Precautions Before Welding - Mazda CX-7 2007 Workshop Manual

Ohmmeter
Caution
• Do not connect the ohmmeter to any circuit where voltage is applied. This will damage the
ohmmeter.
• The ohmmeter is used to measure the resistance
between two points in a circuit and to inspect for
continuity and short circuits.

Precautions Before Welding

A vehicle has 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 ground
near the welding area.
4. Cover the peripheral parts of the welding area to
protect them from weld spatter.
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GENERAL INFORMATION
NO GOOD
POWER SOURCE LINE
- +
Ω
BATTERY CABLE
GROUND
GROUND LINE
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