STUD 2624377 - Caterpillar

Table 1
Generator Set - Description Of Main Module Connector    
Pin Number    Function    Type    Description    
1     +Battery     Input Voltage (Power)     +24 DCV    
2     -Battery     Ground     0 DCV    
3     Harness Code 1     Main Module Configuration Programming     Pulled Low or Floating    
4     Action Alarm     Output     Alarm Driver    
5     CAT Data Link (+)     Two-way Data Transfer Medium     Driver/Receiver (+)    
6     Harness Code 5     Main Module Configuration Programming     Harness Code 5    
7     Sensor 1/Switch 11     Sensor Or Switch Input     Unassigned/Unprogrammed (1)    
8     Sensor 5/Switch 15     Sensor Or Switch Input     Unassigned/Unprogrammed (1)    
9     Sensor 10/Sender 1     Sensor Or Switch Input     Unassigned/Unprogrammed (1)    
10     Sensor 6/Switch 16/Sender 2     Sensor, Switch, or Sender Input     Engine Oil Temperature    
11     Switch 7     Switch Input     Unassigned/Unprogrammed (1)    
12     Harness Code 2     Main Module Configuration Programming     Pulled Low or Floating    
13     Action Lamp     Lampdriver Output     Unassigned/Unprogrammed (1)    
14     CAT Data Link (-)     Two-way Data Transfer Medium     Driver Receiver (-)    
15     Display Module Load     Gauge Module Driver Output     Driver For Gauge Information    
16     Harness Code 4     Main Module Configuration Programming     Pulled Low or Floating    
17     Sensor 2/Switch 12     Sensor Or Switch Input     Unassigned/Unprogrammed (1)    
18     Switch 9/Sender 2     Switch or Sender Input     Fuel Level    
19     Switch 1     Switch Input     LH/RH Switch    
20     Switch 4     Switch Input     Charger Fault    
21     Switch 8     Switch Input     Unassigned/Unprogrammed (1)    
22     Harness Code 3     Main Module Configuration Programming     Pulled Low or Floating    
23     Service     Switch Input     Scroll Switch    
24     Sensor Power Supply     Output     +8 DCV    
25     Display Module Clock     Gauge Module Driver Output     Driver For Gauge Sequencing    
26     Frequency 1     Digital Sensor Input     Unassigned/Unprogrammed (1)    
27     Sensor 4/Switch 14     Sensor Or Switch Input     Unassigned/Unprogrammed (1)    
28     Sensor 7/Switch 17/Sender 3     Sensor, Switch, or Sender Input     Engine Oil Temperature    
29     Switch 2     Switch Input     Alarm Silence    
30     Alternator "R" Terminal     Sensor Input     Unassigned/Unprogrammed (1)    
31     Harness Code 0     Main Module Configuration Programming     Pulled Low or Floating    
32     Switch 6     Switch Input     Coolant Level    
33     Clear     Switch Input     Clear/Mode Switch    
34     Display Module Power     Gauge Module Supply Output     +9 DCV    
35     Display Module Data     Gauge Module Data Output     Unassigned/Unprogrammed (1)    
36     Frequency 2     Digital Sensor Input     Unassigned/Unprogrammed (1)    
37