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October 17, 2024 Service bulletin

Voltage regulator harness routing

Harley-Davidson technical service bulletin M1660 for 2024 Harley-Davidson FLHX, 2024 Harley-Davidson Fltrx and 2023-2024 Harley-Davidson Flhxse and others.

Bulletin number
M1660
Component
Power train
Summary
SERVICE BULLETIN M1660: VOLTAGE REGULATOR HARNESS ROUTING. PURPOSE: This bulletin instructs technicians to properly route the voltage regulator wire harness when performing service work on or around the regulator. Attention needs to be given that proper harness routing is achieved during reassembly. Incorrect routing of the voltage regulator harness, could cause damage to the harness due to unintended chaffing against the engine case.

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