OPTION AR-REGIONAL 3966816 - Caterpillar

Table 1
Electrical Connectors    
Jack/Plug    Component    
J1/P1     ECM engine connector    
J2/P2     ECM machine connector    
J3/P3     Machine connector    
J20/P20     Primary engine speed/timing sensor connector    
J21/P21     Coolant temperature sensor connector    
J22/P22     Engine oil pressure sensor connector    
J23/P23     Turbocharger outlet pressure sensor connector    
J25/P25     Right turbocharger compressor inlet pressure sensor connector    
J26/P26     Timing calibration probe connector    
J27/P27     Atmospheric pressure sensor connector    
J35/P35     Throttle Position Sensor    
J42     Service tool connector    
J43/P43     Fuel temperature sensor connector    
J44/P44     Secondary engine speed/timing sensor connector    
J45/P45     Injection actuation pressure sensor connector    
J46/P46     Injection actuation pressure control valve connector    
J47/P47     Coolant flow switch connector    
J51/P51     Engine oil temperature sensor connector    
J52/P52
to
J58/P58     HEUI injector connectors    
J88/P88     Engine Prelubrication Relay    
J89/P89     Inlet air temperature sensor connector    Electronic Control Module (ECM)
Illustration 1 g00607248
Connectors for the ECM
Illustration 2 g01407683
Sensor Connectors
Analog sensor connector (active)
Illustration 3 g01159881
Analog sensor connector (passive)
Illustration 4 g01155187
Service Tool Connector for Cat ET
Illustration 5 g01158896