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Features
Features
Power Take-Off “Countershaft Driven”
Electrical Interface Requirements
All countershaft driven Power Take-Off’s mounted on Fuller UltraShift ASW Transmissions must provide an electrical
interface with the transmission. The PTO mounted switch is used to activate the PTO operating mode of the transmis-
sion. This feature uses pin F1 of the 18-way transmission connector. See figure below for countershaft driven PTO elec-
trical interface diagram.
The Fuller UltraShift ASW Transmission must have an input signal from the countershaft driven Power Take-Off when it
is active. In this active state, the clutch is engaged to drive the transmission main box countershaft. Incorrect or no PTO
interface signal to the transmission will result in no clutch activation and therefore no PTO operation.
The active signal will illuminate the “Mode” indicator on the push button console.
The transmission default mode for the pin F1 input is for countershaft PTO operation. If the push button console is pro-
grammed for something other than countershaft PTO operation the PC based service tool, ServiceRanger, must be used
to enable the countershaft PTO feature.
The input signal wire for the PTO must be isolated from other PTO related circuits.
Interconnection Table
From To
Wire
Description
F1
PTO +
PTO +
Switch
CounterShaft PTO
D
E
F
1
2
3
A
B
C
1
2
3
Vehicle Interface
1
8
-way Connector
F1
NOTE: The input signal wire for the PTO must
be isolated from other PTO related circuits.
(Transmission ECU
side of connector)
