Powertrain Management: Locations

Engine Controls Component Views

Engine Harness Jumper to Engine POA Harness




1 - Battery - Right
2 - Fuse Holder - Underhood
3 - X127
4 - X108
5 - X107
6 - X123 (PTO)
7 - Fuse Block - Underhood
8 - X109
9 - Battery - Left (6A6/TP2)
10 - Engine Control Module (ECM)
11 - Transmission Control Module (TCM)

Top of Engine




1 - Turbocharger Vane Position Control Solenoid Valve
2 - Glow Plug Control Module (GPCM)
3 - Fuel Rail Temperature (FRT) Sensor
4 - Intake Air Temperature (IAT) Sensor 2 Connector
5 - X128
6 - A/C Refrigerant Pressure Sensor (C67/CJ2)
7 - Generator - Left (K76)
8 - A/C Compressor Clutch (C67/CJ2)
9 - Engine Coolant Temperature (ECT) Sensor 1
10 - Engine Coolant Temperature (ECT) Sensor 2
11 - Camshaft Position (CMP) Sensor
12 - X127
13 - Generator - Right
14 - Manifold Absolute Pressure (MAP) Sensor
15 - Intake Air Heater (IAH) Module
16 - Intake Air Temperature (IAT) Sensor 2
17 - Fuel Heater
18 - A/C Low Pressure Switch (C67/CJ2)

Left Side of Engine




1 - Fuel Injector 2
2 - Turbocharger Vane Position Sensor
3 - Fuel Injector 4
4 - Fuel Rail Pressure Sensor
5 - Fuel Injector 6
6 - Fuel Injector 8
7 - Glow Plug 8
8 - Glow Plug 6
9 - Engine Oil Pressure (EOP) Sensor
10 - Engine Oil Level Switch
11 - Glow Plug 4
12 - G106
13 - G102
14 - Glow Plug 2

Right Side of Engine




1 - Fuel Injector 7
2 - Fuel Injector 5
3 - Fuel Injector 3
4 - Exhaust Gas Recirculation (EGR) Valve
5 - Fuel Injector 1
6 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
7 - Intake Air Valve
8 - Crankshaft Position (CKP) Sensor
9 - Glow Plug 1
10 - G103
11 - G105
12 - Block Heater
13 - Glow Plug 3
14 - Glow Plug 5
15 - Water In Fuel Sensor
16 - Starter
17 - Glow Plug 7

Pedal Assemblies (JF4)




1 - Electronic Adjustable Pedal Assembly (JF4)
2 - Stop Lamp Switch
3 - Accelerator Pedal Position (APP) Sensor

Fuel Level Sensors (Diesel)




1 - Fuel Level Sensor - Secondary
2 - Fuel Pump
3 - Fuel Level Sensor - Primary

Right Side of Frame Rail - Long Wheelbase




1 - Rear Frame Assembly - 3/4 Ton
2 - Exhaust Gas Temperature (EGT) Sensor - 2
3 - Exhaust Gas Temperature (EGT) Sensor - 1
4 - DPF Differential Pressure Sensor

Right Side of Frame Rail - Extended Cab




1 - Exhaust Gas Temperature (EGT) Sensor - 1
2 - Exhaust Gas Temperature (EGT) Sensor - 2
3 - DPF Differential Pressure Sensor
4 - Rear Frame Assembly - HD Extended Cab