Taylor-Dunn SS-025-34 Operation, Maintenance, And Replacement Parts Manual page 106

Curtis PMC Troubleshooting
For your reference, shown at the right are the Forward and
Reverse switch wire connections for a typical control system.
Connect a voltmeter across the HOT terminal of the KSI side
of the F&R switch and battery negative.
Turn the key switch ON.
•
If the voltage is not at battery volts then go to the
Accelerator sequence.
Connect a voltmeter across one of the COLD terminals of the
KSI side of the F&R switch and battery negative.
Close all interlock switches, turn the Key Switch ON,
and place the F&R Switch in Forward.
•
If the voltage is not at battery volts then the F&R switch
has failed. Stop trouble shooting here and repair the
problem. When the repair is completed, completely
retest the vehicle before lowering the drive wheels to
the ground.
•
If the voltage is at battery volts and the test at the
PMC KSI terminal in the Control Wire Inputs section
failed then check the wiring between COLD terminals
of the KSI side of the F&R switch and the PMC KSI
terminal. Stop trouble shooting here and repair the
problem. When the repair is completed, completely
retest the vehicle before lowering the drive wheels to
the ground.
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