Groundsmaster 4500--D/4700--D Page 5 -- 7 Electrical System
5. The“inputsdisplayed
”LED,onlowerrightcolumnof
theDiagnosticDisplay,shouldbeilluminated.If“
outputs
displayed
”LEDisilluminated,pressthetogglebuttonon
the Diagnostic Display to change to “inputs displayed
”
LED.
6. The Diagnostic Display will illuminate the LED
associatedwitheachoftheinputswhenthatinputswitch
isclosed.Individually,changeeachoftheswitchesfrom
open to closed (i.e., sit on seat, press traction pedal,
etc.),andnotethattheappropriateLEDontheDiagnos-
ticDisplaywillilluminatew henthecorrespondingswitch
is closed. Repeat on each switch that is possible to be
changed by hand (see Inputs and LED Operation c hart
on following page).
NOTE: When the Diagnostic Display is attached to the
wire harness connector and the ignition switch is in the
ONposition,theinputLEDfortractionpressure,hydrau-
lic temp and coolant temp should be illuminated. If the
harness connector is disconnected from the sensor for
any of these inputs, the appropriate LED should go off
afterafewseconddelay.Then,iftheharnessconnector
is reattached to the sensor, the input LED should again
illuminate after a few seconds.
7. If appropriate LED does not toggle on and off when
switch state is changed, check all wiring and connec-
tions to that switch and/or test switch (see Component
Testingin thischapter).Replaceany defectiveswitches
and repair any damaged wiring.
8. After input functions testing is complete, disconnect
theDiagnosticDisplayconnectorfromtheharnesscon-
nector and plug loop back connector into wire harness.
Secure access plate to frame.
Figure 9
TEC--5002
OVERLAY
(BOTH
GM4500--D
GM4700--D)
AND
Figure 10
TEC--5001
OVERLAY
(GM4700--D
ONLY)
Electrical
System
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