Table of Contents
Advertisement
V. ELECTRICAL
Ignition coil
Continuity test
I.
Primary coil
Check
for
continuity
bet.ween Lhc
two
terminals
of
the
primary
wiJ1ding
with
a
radio
tester.
(Black-white lead
and
blue lead)
2 Secondary
coil
Check for
continuity hetwccn the
two
terminals
of
the
secondary coil
If there is no
conlinuity,
tlte
coil
has an
open circuil
and must
be
replaced.
Performance test
The coil
may sornetJmes
deteriorate in such
a wa)' as to
provide weak
spark.
at the spark plug
gap.
This can be
checked
by
the service
tester as
follows:
Connect the te.ster
power
supply cable
Lo the positive and
negative terminals of the
fully
charged
12V
battery.
Make
connections of
the LcsLcr
following
the instructions furnished
by
the tester
manufacturer.
Turn
the
service tester selector knob
to
lGNlTlON
COTL
TEST.
Measure the maximum distance
where
spark jumps
across the
gap
NOTE:
Reverse
the polarity of the
spark
plug cables
if
spark occurs
as
Bin fig. 5-5. Sketch
A
shows
the normal test
condition.
Condenser
Test
the
.,;apacil3nce of the <.:Ondenser
using
the service tester.
Also check for
broken
insulaliorL
Fig.
S-
3
Checkiug
ignition coil for continuity
Fig.
S-4
Checking ignilion
coil
performance
n
~
====:.,[L
__
___::'\1.,:,====
CB)
n
Fig.
5-5
3-point spark
tester
Fig.
5-
6
Checking
condenser
Advertisement
Table of Contents
