2015/05/01 Caterpillar


Improved Engine Harness Assemblies Are Used on Certain C18 Marine Engines {1408}

Usage:

C18 DTP
Marine Engine:
C18 (S/N: JHL1-UP; DTP1-UP)

Description of Change: The improved harnesses have been updated with digital throttle control for the PTO. The following circuits were added to the new harness assemblies:

  • "F425 PU" for Digital Throttle Enable from "J1" pin 41 to "E-C61" pin 37

  • "G746 WH" for Digital Throttle Raise from "J1" pin 45 to "E-C61" pin 48

  • "R819 GY" for Digital Throttle Lower from "J1" pin 59 to "E-C61" pin 38

Adaptable To: The improved 345-9086 Engine Harness As and 356-3395 Engine Harness As are adaptable back to first production on the serial numbers listed above.

This change is effective for the serial numbers listed in Table 1.

Table 1
Effective Serial Numbers    
S/N:DTP00248-UP    
S/N:JHL00446-UP    

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