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ELEC
ELECTRICAL COMPONENTS ANALYSIS
ELECTRICAL COMPONENTS
ANALYSIS
DIGITAL CIRCUIT TESTER
Digital circuit tester
90890-03174
NOTE:
"
" indicates a continuity of electric-
ity which means a closed circuit at the
respective switch position.
MEASURING THE PEAK VOLTAGE
WARNING
When checking the peak voltage, do not
touch any of the connections of the digital
tester lead wires.
NOTE:
• When checking the condition of the
ignition system, it is useful to know the
peak voltage.
• Cranking speed is dependant on many
factors (e.g., fouled or weak spark
plugs, a weak battery). If one of three is
defective, the peak voltage will be
lower than specification.
• If the peak voltage measurement is not
within specification, the engine will not
operate properly.
PEAK VOLTAGE ADAPTER
NOTE:
The peak voltage adapter should be used
with the digital circuit tester.
Peak voltage adapter
90890-03172
8-2
E
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