PUMP GP-AUXILIARY WATER 3550681 - Caterpillar

Table 2
Contact Description for Connector J2    
No.    Function    Type    
1     Key Switch Start     Switch to Battery Input    
3     Pilot Shutoff Solenoid Driver     Sourcing Driver Output    
4     Return For Dual Mode Steering/ PSO Solenoid     Sourcing Driver Return    
7     Starter Relay Control Driver     Sourcing Driver Output    
8     Return For Steering Relay/Differential Lock/ Coupler Load Sense Solenoid     Sourcing Driver Return    
9     Secondary Steering Enable Relay Driver     Sinking Driver Output    
11     Rear Wiper Relay Driver     Sinking Driver Output    
12     A/C Clutch Relay Driver     Sinking Driver Output    
13     Backup Alarm/Auto Reverse Light Relay Driver     Sinking Driver Output    
14     Alt R Terminal     R Terminal (Alternator) Input    
17     Implement Joystick Lift Command     PWM Input    
18     Implement Joystick Tilt Command     PWM Input    
19     Seat Belt IND Relay Driver     Sinking Driver Output    
20     Blower Speed Control Signal     Sinking Driver Output    
21     HTR Water Valve Control Signal     Sinking Driver Output    
22     Driver Return Ground     Return    
24     Park Brake Pressure Sensor     PWM Input    
25     Brake Charge Pressure Sensor     PWM Input    
26     Implement Lever FNR Switch 1     PWM Input    
27     Implement Lever FNR Switch 2     PWM Input    
28     Switch Operation Park Brake N/O - Engaged     Switch