10.1.2.4 Electrical Cables and Harnesses
The function of the Electrical Cables and Harnesses are to move electrical information from one point to
another. The ZF Marine Propulsion Systems Miramar, LLC’ System has electrical cables and/or
pluggable Harnesses. These Harnesses may have plugs on one end or both, depending on its purpose.
There are Harnesses available for Control Head Interface, DC Power, Start Interlock, Clutch Oil Pressure
Interlock and External System Status Indication Circuit. Not all of the above harnesses may be used. In
addition, the application may require Harnesses for one or more of the following: Engine Interface, Shift
Interface, Troll Interface, Serial Communication and Tachometer Sensor Signal.
10.1.2.5 Push-Pull Cables
The primary function of a Push-Pull cable is to allow a physical movement on one end to be felt at the
opposite end with a minimum of back-lash. The Push-Pull cables are mechanically connected to the
Processor’s cross-bars on one end and the governor and/or transmission selector levers on the end.
The Processor uses the 33C Type push-pull cable as standard, or 43C Type with a special adapter.
Prior to attempting to troubleshoot the System, get as much information as possible from the owner or
operator. Inspect the System for signs of mis-adjustments, loose connections, physical damage or
water incursion.
Pay special attention to the following items:
• DC Power Source
• Component Location
• Component Condition
• Interconnecting Wiring and Harnesses
• Wire Terminations
• Plug and Socket Pins
• Mechanical connections at the Throttle and Transmission Selector Levers
• Mechanical connections within the Processor
Table 10-1: ClearCommand Processor Push-Pull Reference
ZF Marine Propulsion
Systems Miramar, LLC
ENGINE CLUTCH TROLL
Processor Part No. Mechanical Mechanical Mechanical
9120
Servo 2
9121
Servo 2 Servo 1
9122
Servo 2
9210
Servo 1
9211
Servo 1 Servo 2
9221
Servo 2
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