PLATE 3728239 - Caterpillar

Illustration 1 g00896666
Schematic of the Grapple Rotate Switch (1) Grapple rotate counterclockwise. (2) Grapple rotate clockwise. (3) Grapple rotate switch. (4) Power train Electronic Control Module (ECM).
Table 1
Circuit Continuity (1)    
Grapple Rotate Switch - CID 0449    
Connector J1 Contact No. of Power Train ECM     Connector (2) Contact No. of Joystick Handle     Wire No.     Wire Function     CW Position     HOLD
Position     CCW
Position    
37     7     961-BR     Rotate CW Input     X     O     O    
38     8     F840-YL     Rotate OFF Input     O     X     O    
33     6     E851-BU     Rotate CCW Input     O     O     X    
( 1 ) Open no continuity to ground (O). Closed continuity to ground (X).
( 2 ) Grounded is contact No. 1 wire 202-BK of