Mow/Transport Switch
Themow/transport switchisanormally closedproximity
switch that opens when the mow speed limiter is placed
in the transport position. The switch mounts to a bracket
on the footrest platform. The sensing plate for the mow/
transport switch is the mow speed limiter. The mow/
transport switch is used as an input for the TEC
controller.
4. If the mow/transport switch tests correctly and a cir-
cuit problem still exists, check wire harness (see Electri-
cal Schematic and Circuit Drawings in Chapter 8 --
Foldout Drawings).
5.
Makesurethatmow/transport switchisconnected to
wire harness when testing is complete.
Testing
1.
Before disconnecting the mow/transport switch for
testing, the switch and its circuit wiring should be tested
as a TEC controller input with the Diagnostic Display
(see Diagnostic Display in the Troubleshooting section
ofthischapter).IftheDiagnostic Displayverifies thatthe
mow/transport switch and circuit wiring are functioning
correctly, no further switch testing is necessary. If, how-
ever, the Diagnostic Display determines that the mow/
transport switch and circuit wiring are not functioning
correctly, proceed with testing procedure.
2
1
3
2.
Turn ignition switch to the ON position (do not start
engine) and check LED on cable end of mow/transport
switch (Fig. 33). LED should be illuminated when the
mow speed limiter is in the MOW position. The LED
should not be illuminated when the limiter is in the
TRANSPORT position.
Figure 33
1.
2.
Mow speed limiter
3.
Switch cable
Mow/transport switch
3.
If the mow/transport switch LED did not function cor-
rectly:
A. Make sure that the mow/transport switch is prop-
erly adjusted (see Mow/Transport Switch in the Ad-
justments section of this chapter). If necessary,
adjust switch and return to step 2 above.
B. Make sure ignition switch is OFF and disconnect
the mow/transport switch connector from machine
wire harness.
C. Verify that the machine wire harness connector
terminal for black wire is closed (continuity) to
ground.
D. Turn ignition switch to the ON position (do not
start engine) and verify with a multimeter that ma-
chine wire harness connector terminal for pink wire
has system voltage (12 VDC) present.
E. If black wire is closed to ground, pink wire has
system voltage present and switch LED did not func-
tion, replace mow/transport switch. Adjust switch af-
ter installation (see Mow/Transport Switch in the
Adjustments section of this chapter).
Groundsmaster 4300--D
Page 5 -- 31
Electrical System
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