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The wiring diagrams are sorted into categories corresponding to different aspects of the vehicle. You may also use the keyword search to the left (note: this search will not pick up text within the drawings).
Wiring Diagrams Categories:
  • Alternator (G06-42509)
  • Fuel Water Separator (127 Module)
  • Air Intake Warmer (132 Module)
  • Cruise Control (149 Module)
  • Diagnostics (160 Module)
  • Air Restriction Indicator (199 Module) (G0641601)
  • Horn-electric (264 Module) (G06-34636)
  • Fan Clutch (276 Module)
  • Grounding (280 Module)
  • Engine and Starter Controls (156, 283 Module)
  • Power Outlet (284 Module)
  • Power Distribution (285 Module)
  • Trailer Receptacle-Primary (296 Module)
  • Marker Lamps (30A Module) (G06-42503)
  • Fog, Road Lamps (313 Module) (G06-42519)
  • Interior Lighting (32B Module) (G06-41763)
  • Optional Switch (329 Module) (G06-42176)
  • ABS (330 Module)
  • Transmission (34B Module)
  • Transmission, Vehicle Interface Wiring (34C Module)
  • Air Dryer (48A Module) (G06-38776)
  • Windows-Electric (66A Module) (G06-36050)
  • Windshield Wiper, Washer (66B Module) (G06-35562)
  • Heating, Ventilating and Air Conditioning (HVAC) (70B Module) (G06-34945)
  • Backup Lamp Switch (721 Module) (G06-42868)
  • Radio, Speakers (74D Module) (G06-38578)
  • Mirrors--Heated (74E Module)
  • CB Antennas (748 Module) (G06-42293)
  • Instrument Cluster (ICU3) (81B Module)
  • Smart Switches (860 Module) (G06-40178)
  • Interaxle Diff Lockout (87A Module) (G06-41585)
  • Suspension Dump (87D Module) (G06-41015)
  • Fifth Wheel Air Slide (87E Module) (G06-41555)
  • Low Air Pressure Warning (877 Module) (G06-38580)
  • Park Brake Warning (880 Module) (G06-38576)
  • PTO Controls (885 Module)
    Wiring Diagrams Documents:
    Adobe Acrobat Reader required.  How to Read a Freightliner Wiring Diagram (328 KB)

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