Grasshopper 718D, Service Manual

Page: 25 / 48

25
Yes
No
No
Yes
Yes
No
continued
A
Key switch is
now OFF.
You
are now testing
a ground circuit.
All tests will be
to the battery
positive (hot)
side.
Remove the
starter relay.
Does the yellow
wire
without
the in-line fuse
show ground
when tested?
Do both wires
on RT steering
switch show
ground when
tested?
RT steering
switch is bad or
out of
adjustment.
Replace starter
relay.
Do both wires
on LT steering
switch show
ground when
tested?
LT steering
switch is bad or
out of
adjustment.
Does seat switch show ground on both yellow wires?
(Note: Wires must be installed on switch and seat switch
must be activated.)
Only one wire
shows ground.
Replace seat
switch.
Neither wire
shows ground.
Replace PTO
switch.
MODEL 718K and 720K.
(Kohler Command engines)
ENGINE WILL NOT CRANK
Figure 17
Note: Plug starter relay back in when finished testing.
30
Fuse holder
To input term inal of starter
To pad T of circuit board
To pad S of circuit board
87
86
30
85
87a
Yellow Wire
Blue Wire
To battery
term inal of
starter
If all safety sw itches are correct, term inal 86
is grounded.
Term inal 87 is 12 volts.
Term inal 85 is + 12 volts w hen key sw itch is in
'START' position.
Term inal 30 is + 12 volts w hen relay is energized.
Blue Wire
Fuse c lip t o
regulat or fuse