Actron Sunpro CP7673 - Battery;Starter Cranking System Test; Charging System Test

9.
BATTERY/STARTER
CRANKING
SYSTEM
TEST
NO CONNECTION NECESSARY RPM
A.
Turn
the
test
selector
to
the
VOLTS
position
and
putt
the
range
switch
in
the
HIGH
position.
B.
Connect
the
RED
test
clip
to
the
positive
(+)
battery
terminal
and
the
BLACK
test
clip
to
the
negative
(—)
battery
terminal.
C.
With
the
engine
stopped,
disconnect
the
ignition
coil
wire
from
the
center
tower
of
the
distributor
cap
and
ground
it
using
a
jumper
wire.
NOTE:
On
GM
HEI
(8
cyl.)
electronic
ignition
systems,
disconnect
“BAT”
terminal
connector
from
distributor.
D.
Crank
the
engine
continuously
for
15
seconds
while
observing
the
HIGH
volts
scale.
RESULTS:
©
VOLTAGE
READS
MORE
THAN
9.5
VOLTS
—
Cranking
system
normal.
VOLTAGE
READS
LESS
THAN
9.5
VOLTS
—
Defective
battery,
cables,
solenoid,
or
starter.
(See
TROUBLESHOOTING
TESTS
1,2,3,4,5).
10. CHARGING SYSTEM TEST
OHM
HIGH AMP £
VOLTS 3
Low pwe %
A.
Turn
the
test
selector
to
the
RPM
position
and
put
the
range
switch
in
the
HIGH
position.
B.
Connect
the
RED
test
clip
to
the
positive
(+)
side
of
the
battery
and
the
BLACK
test
clip
to
the
negative
(-)
side
of
the
battery.
Clip
the
inductive
pickup
over
any
spark
plug
wire.
C.
Disconnect
the
ignition
coil
wire
from
the
center
tower
of
the
distributor
cap
and
ground
it using
a jumper
wire.
D.
Crank
the
engine
continuously
for
15
seconds.
E.
Reconnect
the
ignition
coil
wire
to
the
distributor
cap,
start
the
engine,
and
adjust
speed
to
1500-2000
RPM
on
the
HIGH
RPM
scale.
F.
Turn
the
test
SELECTOR
switch
to
the
VOLTS
position
and
observe
the
HIGH
VOLTS
scale.
:
RESULTS:
VOLTAGE
READS
MORE
THAN
15.5
VOLTS
—
Defective
or
poorly
grounded
regulator
or
shorted
or
defective
field.
VOLTAGE
READS
BETWEEN
13.5
and
15.5
VOLTS
—
Charging
system
normal,
VOLTAGE
READS
BELOW
13.5
VOLTS
—
Loose
fan
belt,
defective
regulator
or
alternator
(generator),
poor
connections
or
open
field
circuit.
9