3126B Marine Engines Caterpillar

Sensors and Electrical Connectors

Usage:

3126B 3GS

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(1) Connector for the Unit Injector Wiring Harness (2) Injection Actuation Pressure Sensor (3) Intake Manifold (Boost) Pressure Sensor (4) Intake Manifold Air Temperature Sensor (5) Engine Oil Temperature Sensor (Commercial rating ONLY) (6) Engine Oil Pressure Sensor (7) Timing Calibration Probe Connector (8) Inlet Air Heater Relay Connector (9) Fuel Pressure Sensor (10) Injection Actuation Pressure Control Valve Connector (11) Primary Engine Speed/Timing Sensor (Top) (12) Secondary Engine Speed/Timing Sensor (Bottom) (13) ECM Connector P2 (14) ECM Connector P1 (15) Electronic Control Module (ECM) (16) Transmission Temperature Sensor Connector (17) Service Tool Connector (18) Customer Connector (19) Transmission Pressure Sensor Connector (20) Coolant Temperature Sensor (21) Coolant Level Sensor

Caterpillar Information System:

G3408C and G3412C Engines Balancer Group - Rear

HDB Series and M1 Series Heavy Duty Brushless Alternators Alternator - Assemble - M1 Series Alternator (35 Amp)

3512B Marine Auxiliary Engine Speed Control

3412E, C30 and C32 Marine Engines Exhaust Manifold - Remove and Install

TK711, TK721, TK722 and TK732 Track Feller Bunchers Seat Belt - Replace

3054 and 3056 Industrial and Generator Set Engines Maintenance Interval Schedule

3512B Marine Auxiliary Engine System Configuration Parameters

3512B Marine Auxiliary Engine Engine Monitoring System

HDB Series and M1 Series Heavy Duty Brushless Alternators Alternator - Disassemble - M1 Series Alternator (35 Amp)

G3500 Engines Manifold Air Pressure Sensor

C15 Petroleum Generator Set Engines Electronic Unit Injector - Adjust

G3408C and G3412C Engines Connecting Rod Bearings - Remove and Install

2001/08/01 Be Sure To Check The Counterweights On The Engine Crankshaft For Counterweight Sequence Numbers {1231}

HDB Series and M1 Series Heavy Duty Brushless Alternators Field Winding - Test

G3600 Engines Aftercooler

HDB Series and M1 Series Heavy Duty Brushless Alternators Capacitor - Test

3412E, C30 and C32 Marine Engines Engine Oil Filter Base - Remove

3412E, C30 and C32 Marine Engines Engine Oil Filter Base - Install

HDB Series and M1 Series Heavy Duty Brushless Alternators Stator - Test

3412E, C30 and C32 Marine Engines Engine Oil Filter Base - Disassemble

HDB Series and M1 Series Heavy Duty Brushless Alternators Rectifier - Test

2001/08/01 Oil Pan No Longer Requires Gasket Sealant {1302}

2001/08/01 Additional Troubleshooting Procedures For Speed Burps {1901, 1913}

3412E, C30 and C32 Marine Engines Engine Oil Filter Base - Assemble