Test 9 - Ohms Test; Ohmmeter Battery; Ohms Tests On Various Vehicle Components; Ohmmeter Connections - Craftsman 161.210400 Owner's Manual

Engine analyzer for 12 & 24 volt systems
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Page 16
Test
Number 9--Ohms
Test
1.
The ohmmeter test
is powered
by an internal
9 volt
battery.
No
zero calibration
is
required
by the operator.
Place
Function
Selector
Switch
in the Ohms position
and select
either
the Hi
or Lo range to match the
component under test.
(X i or X lOOd)
2.
CONNECTIONS: Insert
the white
Plug Ohms Lead into
the corresponding
tester
socket
as illustrated
below.
3.
OPERATION: The meter will
read full
scale
at
INF.
with
cllps,open,
and when the clips
are
connected
together
will
read zero on the
left.
(See Paragraph
#6.)
To measure resistance,
connect
the clips
to the component
to be tested
and read the prope_ Ohms scale.
(X 1 or
x 1ooo)
4.
IMPORTANT CAUTION:
ALWAYS disconnect ALL L£ADS from any electrical
part to be tested on the vehicle.
Failure to observe this caution may
result in damage to the tester.
5.
Refer to manufacturer's specifications for normalresistance value
of any part being tested, ignition cables, ballast resistor, coil
windings, etc.
WHITE PLUG
FIGURE 19
OHMMETER CONNECTIONS
RED
OHMMETER BATTERY
The 9 volt
battery
ts located
in the rear com-
partment,
Observe correctt polarity when installing
battery.
IMPORTANT:
9 VOLT BATTERY ( SEARS #
64i7)
IS NOT SUPPLIED WiTH THIS ANA-
LYZER.--OHMS
CIRCUIT WILL NOT WORK
WITHOUT BATTERY.
I
i
SECONDARY
OHMS
OHMS TESTS ON VARIOL
VEHICLE COMPONENTS
PRIMARY
OHMS
1
FUSE
BLACK
BA LLAST RESIS TOR
COIL

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