ENGINE AR-PRIMARY 1073778 - Caterpillar

G-Series
The G-Series does not utilize the machine controller. The only input to the factory ECM are in Table 14.
Table 21
Contact Description J2 (1)    
No. (2)    Function    Type    
64     CAN Data Link (+)     Input/Output    
65     CAN Data Link (-)     Input/Output    
( 1 ) The ECM responds to an active input only when all the necessary conditions are satisfied.
( 2 ) The connector contacts that are not listed are not used.N-Series
Table 22
Contact Description J1 (1)    
No. (2)    Function    Type    
1     Key Switch On     Input    
10     Cat Data Link (+)     Input/Output    
11     + 5 Volt Supply     Power Supply    
13     Battery (-)     ECM Ground    
20     Cat Data Link (-)     Input/Output    
21     Sensor Return     ECM Ground    
26     Increment/Decrement Switch (Normally Closed)     STG (3)    
27     Increment/Decrement Switch (Normally Open)     STG    
31     Battery (+)     System Power    
32     Auto Mode Switch (Normally Open)     STG    
33     Auto Mode Switch (Normally Closed)     STG    
34     Manual Mode Switch (Normally Open)     STG    
35     Manual Mode Switch (Normally Closed)     STG    
36     Hydraulic Pilot Pressure Sensor     Active Analog Input    
39     Battery (+)     System Power    
45     Switch Return     ECM Ground    
55     Proportional Solenoid(s) Return     Solenoid Return    
57     Battery (-)     ECM Ground    
65     Blade Tilt Right Solenoid     PWM Driver Output    
66     Blade Tilt Left Solenoid     PWM Driver Output    
67     Blade Raise Solenoid     PWM Driver Output    
68     Blade Lower Solenoid     PWM Driver Output    
( 1 ) The ECM responds to an active input only when all the necessary conditions are satisfied.
( 2 ) The connector contacts that are not listed are not used.
( 3 ) Switch to Ground
Table 23
Contact Description J2 (1)    
No. (2)    Function    Type    
3     Boost Solenoid     On/Off Ouput    
4     Solenoid Return     ECM Ground    
67     CAN Data Link (+)     Input/Output    
68     CAN Data Link (-)     Input/Output    
( 1 ) The ECM responds to an active input only when all the necessary conditions are satisfied.
( 2 ) The connector contacts that are not listed are not used.