Generac Power Systems GTV99O User Manual

SECTION 2: IGNITION
'L
tnsed
RED test lead
into
yo+
receptacle
in meter.
2. Insen
ELqCK
ten lead
intothe.,COM.
re.eptacle
In
meter
3.
Rotate
selector
to
>i n
t
(Diode
Test) posttio,r
4. hsert
RED test
lead
clip into
connector
.
A'
(Fiqure
2_ I
0).
Leave
attached
for
femainder
of test.
5. Touch BLACK
ten lead
probe
to terminat
,8.,,
a.lf meter
'Beeps'
once,
diode
is OK.
b.lf meter
makes:
continuoLrs
tone,
diode is
defective
Ghorted).
Replrce
ground
harness.
c. lf meter
displays
'OL,'
diod€
is defective (open).
Replace
ground
harness.
6. Now
repeat
test for
terminal
,
C,
,
Results
must
be
the same.
See
"Diode
Failwe
Diagnosis-
betow
SPARK
PLUG
SPARK
PLUG
DIODE
figute
2-11.
lgnition
Whing
Hamess
DIODE
FAITURE
DIAGNOSIS
IGNITION
KILLWIRE
ENGINE
GBOUND
HARNESS
POSITIVE
Ii4ETEB
TEST
LEAD
NEGATIVE
I\4ETER
Figurc
2-10. Testing
Grcund
Whe
GROUND
WIRE
HARNESS
SWITCH
ON
TURNED
OFF
CAUSE
Engine
Runs
On I
Cy/jnder
shuts
off oK
I
Closed
Diode
Engine
Runs
(Both
Cylinders)
OnIy
One
Cylinder
shuts
Off
I
Open Diode
(No
Spark)
2 Closed
Diodes
Engine
RLins
(Both
Cylinders)
Engine
Won t
Shut
Off
2 Open
Drodes
2-4

Generac Power Systems GTV99O Specifications

General

Brand	Generac Power Systems
Model	GTV99O
Category	Engine
Language	English