PRO-S Rev1104
47
Figure 16. Mack PRO-S 7 Wiring
(Sheet 2 of 2)
Mack Harness Connections
Interface Information
The PRO-S Engine Control cable needs to be wired in series with the cab foot
throttle. Use a voltmeter to determine which pin is Engine Control Signal.
Engine Control Signal will be 0.7 volts at idle and rise to approximately 3.8 volts
as the foot pedal is pressed.
J1587
Datalink (See
Sheet 1)
J1587 Negative (B)
Black Wire
Red Wire
J1587 Positive (A)
Vehicle
ECU J3
Connector
14
15
Cab Foot
Throttle
Engine Control Signal
( 0.7 to 3.8 volts)
To Engine
ECM
Cab Foot
Throttle
Connector
Engine
Control
(See Sheet 1)
Black Wire
Red Wire
Note: Use a plug and receptacle on
the Engine Control Signal wire so
the ends can be reconnected if the
PRO-S is removed.