G3600 A4 Engines Electrical Connectors Caterpillar


Electrical Connectors
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1.1. Terminal Box
2.2. Electronic Control Module (ECM)
3.2. Integrated Sensing Module (ISM)
4.2. Customer Connectors
5.3. 70 Pin Engine Interface Connector
6.3. Service Tool Connector
7.2. Air/Fuel Pressure Module
8.2. Fuel Metering Valve
9.2. Gas Shutoff Valve (GSOV)
10.2. Sensor Connectors
11.3. Ampseal Connectors
12.3. Detonation Sensor
13.3. DT Type Connectors
14.3. HD Type Connectors
15.3. Termination Resistor

Terminal Box



Illustration 1g03802573
Terminal box

The engine-mounted terminal box is on the rear right side of the engine. The Electronic Control Module (ECM) and the Integrated Sensing Module (ISM) are inside the terminal box. The terminal box provides the point of termination for all the wiring that is related to the engine's sensors and for the ignition system.



Illustration 2g03844448
Inside the terminal box
(1) J1/P1 70-pin connector for the ECM
(2) J1/P1 70-pin connector for the ISM
(3) Ignition wiring for the right side of the vee engine
(4) 70-pin connector for the temperature sensors on the right side of the engine
(5) Connector for the sensors
(6) Atmospheric temperature sensor
(7) Connector for combustion sensor on the right side of the engine
(8) J2/P2 70-pin connector for the ISM
(9) Compressor bypass relay
(10) Fuel valve relay
(11) 10 amp fuse
(12) 15 amp fuse
(13) Battery + junction block
(14) Battery - junction block
(15) Connector for combustion sensor on the left side of the engine
(16) J2/P2 120-pin connectors for the ECM
(17) 70-pin connectors for the customer's wiring
(18) 9-pin service tool connector
(19) Incendive connector
(20) 70-pin connector for the temperature sensors on the left side of the engine
(21) Non-incendive connector
(22) Ignition wiring for the left side of the vee engine


Illustration 3g03844460
(3) Ignition wiring for the right side of the vee engine
(4) 70-pin connector for the temperature sensors on the right side of the engine
(5) Connector for the sensors
(6) Atmospheric pressure sensor
(7) Connector for combustion sensor on the right side of the engine
(23) Emergency stop button


Illustration 4g03844462
(15) Connector for combustion sensor on the left side of the engine
(17) 70-pin connectors for the customer's wiring
(18) 9-pin service tool connector
(19) Incendive connector
(20) 70-pin connector for the temperature sensors on the left side of the engine
(21) Non-incendive connector
(22) Ignition wiring for the left side of the vee engine
(23) Emergency stop button

Electronic Control Module (ECM)



Illustration 5g01322554

Integrated Sensing Module (ISM)



Illustration 6g03368616

Customer Connectors

70 Pin Engine Interface Connector



Illustration 7g03376216

Service Tool Connector



Illustration 8g03802996

Air/Fuel Pressure Module



Illustration 9g03804083
G3616

Fuel Metering Valve



Illustration 10g03803296
TecJet (G3606, G3608, and G3612)


Illustration 11g03368620
F-Series (G3616)

Gas Shutoff Valve (GSOV)



Illustration 12g03805481

Sensor Connectors

Ampseal Connectors



Illustration 13g02878221
Analog sensor (active)


Illustration 14g03376197
Analog sensor (passive)

Detonation Sensor



Illustration 15g03322519

DT Type Connectors



Illustration 16g03803843
Analog sensor (active)


Illustration 17g01155187
Analog sensor (passive)

HD Type Connectors



Illustration 18g03803838

Termination Resistor



Illustration 19g01355248

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