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Workman MDE
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Electrical System
Supervisor Speed Limit Switch
The supervisor speed limit switch is open in OFF posi-
tion (keyvertical) and closedin ON position (key rotated
clockwise). The speed limit switch is one of several in-
putsfor thevehiclecontroller andallowsthespeed ofthe
vehicle to be limited.
Test theswitch bydisconnecting thewiring andconnect-
ing a continuity tester across switch terminals A and D
(Fig. 26). Rotate key to ON position: there should be an
indication of continuity. Rotate key to OFF position:
there should be no continuity.
Figure 26
OFF
B&C
ON
B&C
A&D
45
o
Audio Alarm (Reverse)
The audio alarm sounds whenthe direction (forward/re-
verse) switch is placed in the reverse position. The
alarm is located under the controller cover beneath the
cargo box.
Testing
IMPORTANT: Make sure to observe polarity on the
alarm terminals when testing. Damage to the alarm
may result from an improper connection.
IMPORTANT: The audio alarm is a 12 volt DC com-
ponent. Do not test the alarm using jumper wires
from the vehicle battery pack (48 VDC).
1. Make sure on/off switch is turned OFF. Remove key
fromswitch.Raise cargoboxandremove controllercov-
er.
2. Disconnect wire harness connectors from alarm
(Fig. 27). Using jumper wires, correctly connect 12VDC
source to the alarm terminals noting polarity shown on
alarm decal.
3. Alarm should sound. Remove voltage source from
the alarm. Reconnect alarm to the circuit or replace
alarm if needed.
1. Controller 2. Audio alarm
Figure 27
1
2