DRIVE GP-PUMP 2942680 - Caterpillar

Table 4
Contact Description Of ECM Connector J2 (Conventional Steering and Command Control Steering)    
No. (1)    Function    Type    
1     Number 4 Clutch Solenoid (Third Speed)     Solenoid Output    
2     Number 6 Clutch Solenoid (First Speed)     Solenoid Output    
3     Solenoid Return     Solenoid Return    
4     Transmission Neutralizer Limit Switch     Switch Input (open ground)    
5     Air Inlet Heater Switch     Switch Input (open ground)    
6     Primary Steering Pressure Switch (2)     Switch Input (open ground)    
7     Number 3 Clutch Solenoid (Fourth Speed)     Solenoid Output    
8     Number 5 Clutch Solenoid (Second Speed)     Solenoid Output    
10     Primary Steering Pressure Switch (3)     Switch Input (open ground)    
11     Secondary Steering Pressure Switch (3)     Switch Input (open ground)    
12     Sensor Power Supply (8 V)     + (8 V)    
14     - Transmission Output Speed 1     Frequency Input    
18     Transmission Oil Temperature     Pulse Width Modulated    
19     Air Inlet Heater Circuit     Solenoid Output    
20     + Transmission Output Speed 1     Frequency Input    
23     - Torque Converter Output Speed     Frequency Input    
24     + Transmission Intermediate Speed Sensor 1 (If equipped)     Frequency Input    
25     + Transmission Output Speed 2     Frequency Input    
29     + Torque Converter Output Speed     Frequency Input    
30     - Transmission Intermediate Speed Sensor 2 (If equipped)     Frequency Input    
31     - Transmission Output Speed 2     Frequency Input    
35     - Transmission Intermediate Speed Sensor 1 (If equipped)     Frequency Input    
36     + Transmission Intermediate Speed Sensor 2 (If equipped)     Frequency Input    
37     Backup Alarm     Solenoid Output    
38     Engine Speed     Frequency Input    
( 1 ) The connector contacts that are not listed are not used.
( 2 ) Normally Closed
( 3 ) Normally Open