INSERT 4937330 - Caterpillar

Illustration 1 g00374159
Power Train Control
Illustration 2 g00374162
Control Connector for the Power Train
Table 1
Connector Pin    Function    
1     + Battery    
2     Ground    
3     Parking Brake Switch 2 (N/O)    
4     Parking Brake Switch 1 (N/C) (1)    
5     Transmission Speed    
6     Engine Speed    
7     Air Inlet Heater Switch    
8     CAT Data Link +    
9     CAT Data Link -    
10     Ride Control Switch 1 (+Battery) (2)    
Air Inlet Heater Relay (3)
11     Ride Control Switch 2 (+Battery) (2)    
Unused (3)
12     Forward Select (Ground)    
13     Reverse Select (Ground)    
14     First Gear Select (Ground)    
15     Second Gear Select (Ground)    
16     Third Gear Select (Ground)    
17     Fourth Gear Select (Ground)    
18     Forward Select (+Battery)    
19     Reverse Select (+Battery)    
20     Auto/Manual Switch 2 (N/C)    
21     Auto/Manual Switch 1 (N/O)    
22     Transmission Downshift Switch 2 (N/O)    
23     Transmission Downshift Switch 1 (N/C)    
24     Unused (2)    
Ride Control Select 2 (Ground) (3)
25     Option Code 0    
26     Ride Control Select 3 (Ground)    
27     Option Code 1    
28     Service Mode Switch (4)    
29     Clear Mode Switch (4)    
30     Unused (2)    
Option Code 2 (3)
31     Number 1 Clutch Solenoid (Reverse)    
32     Number 2 Clutch Solenoid (Forward)    
33     Number 3 Clutch Solenoid (Fourth Speed)    
34     Number 4 Clutch Solenoid (Third Speed)    
35     Number 5 Clutch Solenoid (Second Speed)    
36     Number 6 Clutch Solenoid (First Speed)    
37     Ride Control Solenoid    
38     Dual Horsepower Solenoid    
39     Solenoid Return    
40     Unused    
( 1 ) (For machines equipped with a control display.)
( 2 ) (For machines equipped with air over hydraulic brakes or machines not equipped with a control display.)
( 3 ) (For all machines equipped with hydraulic over hydraulic brakes.)
( 4 ) (Not used on machines equipped with a control that has no display.)