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The Woodward 8928-7525 is a specific part number that identifies a KIT – LECM HARNESS, AND BREAKOUT MODULE. This is not an electronic control module itself, but rather an accessory kit that provides essential components for connecting and working with a Large Engine Control Module (LECM).
WOODWARD 8928-7525: LECM Harness and Breakout Module Kit
The Woodward 8928-7525 is a specialized hardware and accessory kit manufactured by Woodward. Its primary function is to facilitate the connection of a Large Engine Control Module (LECM), particularly during installation, testing, and troubleshooting.
Product Overview
- Product Type: Accessory Kit / Harness Kit / Breakout Module Kit
- Manufacturer: Woodward
- Part Number: 8928-7525
- Function: This kit provides critical components for interfacing with an LECM:
- LECM Harness: This is a pre-assembled wiring harness designed to connect directly to the LECM. It ensures correct pin assignments and facilitates quick and reliable electrical connections between the LECM and the engine’s various sensors, actuators, and power sources.
- Breakout Module: A breakout module (or breakout box) is a diagnostic tool. It connects in-line with the harness and the LECM, providing easily accessible test points for each wire in the harness. This allows technicians to measure voltages, currents, and signals at specific pins without disturbing the main connections, which is invaluable for troubleshooting and verifying wiring integrity.
- Purpose: This kit significantly aids in the installation, commissioning, testing, and diagnostic processes of LECM-based engine control systems, making field work more efficient and reliable.
Detailed Description
The 8928-7525 kit is designed to enhance the ease and accuracy of working with Woodward LECM units. LECMs are highly sophisticated electronic control units used for managing large industrial internal combustion engines, and their proper wiring and diagnostics are crucial for system performance.
Key aspects of an “LECM Harness, and Breakout Module Kit” typically include:
- Streamlined Wiring: The pre-fabricated harness simplifies the complex wiring required for an LECM, reducing the potential for wiring errors during installation.
- Diagnostic Efficiency: The breakout module is the highlight of this kit for troubleshooting. It allows technicians to:
- Verify continuity: Ensure each wire has a proper connection.
- Measure signals: Check sensor outputs, actuator commands, and power supply voltages at specific pins.
- Simulate inputs: Potentially introduce test signals to the LECM to verify its response, aiding in fault isolation.
- Monitor outputs: Observe the LECM’s output signals to actuators.
- Time-Saving: By providing a ready-to-use harness and a dedicated diagnostic tool, the kit significantly reduces the time required for installation, commissioning, and fault finding.
- Reliability: Using manufacturer-specified harnesses ensures proper wire gauges, insulation, and connector quality for the demanding engine environment.
Applications
The Woodward 8928-7525 kit would be used in any application where a Woodward LECM control module is being installed, commissioned, or requires diagnostic troubleshooting. This includes:
- Manufacturing/Assembly Plants: During the initial build and testing of engine packages.
- Field Installations: For connecting and verifying LECMs on new engine installations at site.
- Maintenance and Repair: For troubleshooting electrical issues, verifying sensor readings, or checking actuator commands on existing engine systems.
- Test Benches: For developing and testing control strategies or performing hardware-in-the-loop simulations.
Obsolescence and Replacement Options
It’s important to note the current status of the 8928-7525:
- Obsolescence (End-of-Life): The 8928-7525, as an accessory supporting the LECM product lines (particularly the older 723, 723+, and 828 series), is listed as affected by obsolescence. Woodward has officially inactivated (End-of-Life) new production and direct sales of these older LECM control modules and their associated accessories due to component obsolescence. As of July 2025, any limited repair support that might have been available for related products is highly restricted or unavailable due to parts scarcity.
- Replacement: For new installations or as replacements for this kit, you would need to consult with Woodward or an authorized distributor. Newer generation control systems (such as the LECM SA variants or the Flex500 series) will have their own specific wiring harnesses and diagnostic tools designed to be compatible with their updated designs. There generally isn’t a direct, one-for-one replacement for accessories from an obsolete product line; instead, you would transition to the accessories designed for the current generation of controllers.
