2004 Harley-Davidson FXD Dyna/FXDL/FXDX/FXDWG Service Manual

Comprehensive service and repair manual covering the 2004 Harley-Davidson FXD Dyna models, including Dyna Low Rider, Super Glide, Super Glide Sport, Wide Glide, and Low Rider. Includes procedures for diagnostics, removal, and maintenance. Part number: 99400-04.

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Harley-Davidson Bike manual preview - 2004 Harley-Davidson FXD Dyna/FXDL/FXDX/FXDWG Service Manual
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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Harley-Davidson Models Covered & Key Technical Specifications

Models: FXD, FXDL, FXDX, FXDWG, FXDP
Sub-models / Variants: Dyna, Carbureted Models, EFI Models
Build Years: 2004
Technical Data:

  • Max recorded test velocity: 130 KPH
  • Ignition fuse circuit power draw: 15 Amps
  • TSSM security protocol max storage duration: 60 days
  • Starter system current draw (on vehicle): 160–200 amperes
  • Starter motor free draw test: 90 amps maximum
  • Stator resistance: 0.1–0.3 ohms
  • Ignition coil primary resistance: 0.5–0.7 ohms
  • Ignition coil secondary resistance: 5.5–7.5K ohms
  • Battery CCA rating (Dyna models): 270 CCA (100%) / 135 CCA (50%)
  • Charging system AC output: 32–40 volts AC at 2000 RPM
Technical Specifications
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Document Number / Seller:
27974 / Paul Davis
File Size:
42.57 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
May 12, 2025

Harley-Davidson Manual Features & Content Preview

2004 Harley-Davidson Dyna FXD Service Manual — Technical Scope

  • Covers 2004 Harley-Davidson Dyna FXD, FXDL, FXDX, and FXDWG models with documentation for starter systems, charging circuits, and instrument diagnostics
  • Official OEM publication form number 2004 Dyna: Starting & Charging, published 2004
  • Contains 46 detailed wiring diagrams and electrical system schematics, 14 diagnostic flow charts, and 9 technical data specification tables
  • Delivered as a direct download the moment payment clears
  • Full-text search finds any part number in seconds
  • This 2004 edition is the definitive factory reference for the 2004 Dyna electronic fuel injection and carbureted ignition system integration

Instrument and Electrical Diagnostics

This 2004 Harley-Davidson Dyna FXD manual documents the electrical foundations for the Dyna series, focusing on starting systems, charging circuit integrity, and instrument cluster diagnostics. The publication details the operation of the turn signal module (TSM) and turn signal security module (TSSM), including security alarm configuration, key fob assignment, and personal code entry. Technical sections cover the diagnostic procedures for the speedometer and tachometer, providing instructions on use the breakout box and instrument harness adapters to pinpoint faults in the serial data bus and power supply circuits.

Specification and Reference Data

Technical data is provided for critical electrical components across both EFI and carbureted platforms. Stator resistance for the 2004 Harley-Davidson Dyna is specified at 0.1–0.3 ohms in the resistance check table. Ignition coil primary resistance for the 2004 Harley-Davidson Dyna is documented at 0.5–0.7 ohms in the ignition section. Starter system current draw for the 2004 Harley-Davidson Dyna is listed as 160–200 amperes during standard engine cranking. This official 100-page OEM workshop manual provides the necessary diagnostic framework for 2004–2004 Dyna models, covering charging, security, instrument, and ignition system specifications.

Manual FAQ, Purchase & Download Details

What documentation is provided regarding electrical systems like the starting circuit for carbureted and EFI models? keyboard_arrow_down

Manual contains detailed electrical schematics and wiring diagrams for both the carbureted and EFI variants, including references to connector pinouts and harness connections. These visual aids help identify the layout of the starting and charging systems.

Is there a section in the document covering the charging system and its major electrical components? keyboard_arrow_down

Manual includes a specific section for the charging system, which details the operation and structure of the stator and rotor components.

Are reference specifications for test parameters included in the starting and charging chapters? keyboard_arrow_down

Document contains specification tables and diagnostic flow charts that list standard operating ranges for electrical tests, such as typical starter current draw. These tables provide reference data for various components without providing instructions.

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