Harness Routing Views

Harness Routing Views

Front Crossmember, Top View




1 - C101
2 - Horns

Engine Harness to Starter, Right Side Front View




1 - Engine Harness
2 - C106a/C106b
3 - Starter Temperature Switch, HD Starter with Overcrank Protection
4 - Starter

Engine Harness to Engine (LG5), Front View




1 - Engine Coolant Temperature (ECT) Gage Sensor
2 - C115
3 - Intake Air (IA) Heater Relay Connector

Engine (LG5) Harness Components, Left Front View




1 - Upfitter TO PTO Connector
2 - C200
3 - Powertrain Control Module (PCM) Connector
4 - Engine Oil Pressure (EOP) Switch
5 - Engine Oil Pressure (EOP) Gage Sensor
6 - Fuel Heater

Engine Harness to Engine (LG5), Left Side




1 - C408/C409
2 - Upfitter TO PTO Connector
3 - Upfitter TRANS OPT Connector
4 - Powertrain Control Module (PCM) Connector
5 - Engine Oil Pressure (EOP) Switch
6 - Engine Oil Pressure (EOP) Gage Sensor
7 - Fuel Heater

Automatic Transmission Harness -Typical- without MTW/MX4/MWF




1 - To Backup Lamp Switch
2 - Vehicle Speed Sensor (VSS)
3 - Automatic Transmission Modulator
4 - Neutral Safety Switch
5 - C408/C409

Instrument Panel Harness to IP Mounted Components, Right Front View




1 - Power Brake (P/B) Booster Pump Motor Relay
2 - Park Brake Pump Motor Relay
3 - Trailer Stop Lamp Relay
4 - Transmission Control Relay - MTW/MX4/Ignition Relay - Engine Controls - L18
5 - ABS Relay Center
6 - Fuse Block 2 - Underhood
7 - Fuse Block 1 - Underhood
8 - C123
9 - C121
10 - Windshield Washer Fluid Pump
11 - Windshield Washer Reservoir

Instrument Panel Harness to Power Brake Booster




1 - G108
2 - C119
3 - Power Brake (P/B) Booster Pump Motor
4 - Power Brake (P/B) Booster Fluid Flow Switch
5 - Brake Fluid Level Switch

Instrument Panel Harness to Instrument Panel, Left Front




1 - Windshield Wiper Motor
2 - Upfitter AUX WRG Connector, Exterior
3 - Trailer Stop Lamp Switch
4 - C107
5 - C113
6 - Differential Lock Switch

Exterior Bulkhead, Lower Left Side View




1 - C113

Exterior Bulkhead, Left Side




1 - C125
2 - P100
3 - C200

IP Harness to Instrument Panel in Cab, Left Side




1 - C202
2 - To Multifunction Alarm Module
3 - C206
4 - C201
5 - C205
6 - C200
7 - P100
8 - Air Pressure Lines to Gage (JE5)

IP Harness to Components, Right View




1 - Stop Lamp Switch Interface Module
2 - Convenience Center
3 - SERVICE TRANS FILTER Indicator Lamp
4 - Seat Belt Indicator Lamp
5 - Upfitter Accessory Feed Connector
6 - C210
7 - Upfitter AUX WRG Connector, Interior
8 - Daytime Running Lamps (DRL) Diode
9 - Blower Motor C1
10 - Blower Motor C2
11 - C208
12 - G210
13 - Speaker - RF

IP Harness to Blower Motor, Left Forward View




1 - Blower Motor Resistor Assembly
2 - Blower Motor C2
3 - Blower Motor C1
4 - C220
5 - Instrument Panel

HVAC System




1 - Air Temperature Actuator
2 - Recirculation Actuator
3 - Mode Actuator
4 - HVAC Control Module
5 - C204

Lower IP Components




1 - C215
2 - Ashtray Lamp
3 - Auxiliary Power Posts
4 - Cigar Lighter

Power Window/Door Lock Harness




1 - C218
2 - C222
3 - C219
4 - P500
5 - C221
6 - C202

Cab Exterior, Upper Left Front View




1 - Marker Lamps - Roof
2 - Clearance Lamps
3 - C229

Cab Interior, Lower Left Side




1 - G211
2 - C223
3 - Park Brake Pressure Indicator Switch

Battery Cable Routing-Typical




1 - Rear Chassis Harness
2 - C403/C405
3 - Engine Harness
4 - Right Frame Rail
5 - G400
6 - Battery Box
7 - Positive Battery Cable
8 - Negative Battery Cable
9 - Ground Block (G401-G406)

Fuel Tank(s)




1 - Fuel Pump Harness
2 - Fuel Pump and Sender Assembly - Left
3 - Fuel Tank - Left
4 - Fuel Sender and Balance Pump Control Module
5 - Fuel Sender and Balance Pump Control Relay
6 - C411
7 - Fuel Pump and Sender Assembly - Right