HVAC Component Views

HVAC Component Views

A/C Compressor, LH Front View (LG5)




1 - A/C Compressor Refrigerant Pressure Switch
2 - A/C Compressor Clutch

A/C Compressor, Upper RH Front View




1 - Power Brake (P/B) Booster Pump Relay
2 - A/C Compressor Relay
3 - A/C Compressor Cycling Switch

IP Harness to HVAC Module, LH Forward View




1 - HVAC Module
2 - Blower Motor Ground
3 - Blower Motor C2 (1 cavity)
4 - Blower Motor C1 (1 cavity)
5 - Blower Motor
6 - Blower Motor Power
7 - C220 (10 cavities)
8 - I/P
9 - C220 Jumper
10 - Blower Motor Resistor

Harness to (Components), Right View




1 - Right Speaker
2 - Relay Center
3 - Service Transmission Filter Indicator Lamp
4 - Seat Belt Indicator Lamp
5 - Jumper Plug
6 - Upfitter Connector, AUX WRG
7 - Daytime Running Lamp (DRL) Diode Module
8 - Blower Motor C1 (1 cavity)
9 - Blower Motor C2 (1 cavity)

Daytime Running Lamp (DRL) Harness to Diode Module, Left Side Front View




1 - Tractor Marker Lamps Relay or Column Shift Relay (LG5) or Transmission Park Column Switch Relay (L21/LP4)
2 - Lighting Relay
3 - Ignition Relay 3
4 - Ignition Relay 1
5 - Horn Relay
6 - Relay Center
7 - Blower Relay 2
8 - Daytime Running Lights (DRL) Control Module Break Out
9 - Blower Relay 1
10 - Accessory Relay
11 - Fuel Pump (FP) Relay (L21/LP4) or Fuel Heater Relay (LG5)
12 - Daytime Running Lights (DRL) Relay
13 - Daytime Running Lights (DRL) Diode Module
14 - Auxiliary Wiring Relay

HVAC System




1 - HVAC Air Temperature Actuator
2 - HVAC Recirculating/Fresh Air Actuator
3 - HVAC Mode Door Actuator
4 - HVAC Control

Engine Harness to Cab




1 - C212 (8 cavities)
2 - C203 (2 cavities)
3 - C123 (3 cavities)
4 - C214 (8 cavities)