Electrical Systems
15
Basic Circuit Testing
Basic Circuit Testing
Voltmeter testing
When testing for voltage we connect a voltmeter to
the positive and negative post of the battery, we
should read 12.6 volts. With the key switch off. With
the engine running the meter should read 13.6 volts
or more (at least 1 V more than battery voltage.)
If we connect our voltmeter to the negative post of
the battery and to any point up to the switch, we will
still measure 12.6 volts. All we are measuring is the
voltage available up to the switch.
Connecting the voltmeter across the load with the
switch open will show a voltage reading of 0.0 volts.
Without the switch closed, (no current flowing in the
circuit) there is no voltage difference across the
load.
Toro University Technical Training
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 09170SL |
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| Language | English |
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