# Service bulletin PAB1177

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11029737
- Published by NHTSA: 2026\-03\-05
- Manufacturer's number: PAB1177
- Manufacturer's date: 2026\-02\-13
- NHTSA component: ELECTRICAL SYSTEM; UNKNOWN OR OTHER

## NHTSA's summary

SERVICE BULLETIN PAB1177: HARLEY\-DAVIDSON AUDIO POWERED BY ROCKFORD FOSGATE P\&A WIRING SCHEMATICS. PURPOSE: Initial Release. This bulletin informs dealers and technicians that there are Parts and Accessories \(P\&A\) Wiring Schematics for Harley\-Davidson Audio Powered by Rockford Fosgate components. Schematics are available for both Non Center\-Cooled and Center\-Cooled models.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029737-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029737-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2023 HARLEY\-DAVIDSON FLHFB
- 2026 HARLEY\-DAVIDSON FLHLT
- 2026 HARLEY\-DAVIDSON FLHLTSE
- 2021 to 2025 HARLEY\-DAVIDSON FLHP
- 2021 to 2022 HARLEY\-DAVIDSON FLHR
- 2021 to 2025 HARLEY\-DAVIDSON FLHRXS
- 2021 to 2022 HARLEY\-DAVIDSON FLHT
- 2021 to 2025 HARLEY\-DAVIDSON FLHTCUTG
- 2023 HARLEY\-DAVIDSON FLHTCUTGANV
- 2021 to 2022 HARLEY\-DAVIDSON FLHTCUTGSE
- 2021 to 2024 HARLEY\-DAVIDSON FLHTK
- 2021 to 2023 HARLEY\-DAVIDSON FLHTK SHRINE
- 2023 HARLEY\-DAVIDSON FLHTKANV
- 2021 HARLEY\-DAVIDSON FLHTKSE
- 2021 to 2025 HARLEY\-DAVIDSON FLHTP
- 2021 to 2026 HARLEY\-DAVIDSON FLHX
- 2026 HARLEY\-DAVIDSON FLHXL
- 2026 HARLEY\-DAVIDSON FLHXLSE
- 2021 to 2023 HARLEY\-DAVIDSON FLHXS
- 2023 HARLEY\-DAVIDSON FLHXSANV
- 2021 to 2026 HARLEY\-DAVIDSON FLHXSE
- 2022 to 2023 HARLEY\-DAVIDSON FLHXST
- 2026 HARLEY\-DAVIDSON FLHXSTSE
- 2025 HARLEY\-DAVIDSON FLHXU
- 2024 HARLEY\-DAVIDSON FLI
- 2021 to 2025 HARLEY\-DAVIDSON FLRT
- 2021 to 2024 HARLEY\-DAVIDSON FLTRK
- 2022 HARLEY\-DAVIDSON FLTRKSE
- 2023 HARLEY\-DAVIDSON FLTRKSE ANV
- 2023 to 2026 HARLEY\-DAVIDSON FLTRT
- 2021 to 2026 HARLEY\-DAVIDSON FLTRX
- 2026 HARLEY\-DAVIDSON FLTRXL
- 2024 to 2026 HARLEY\-DAVIDSON FLTRXP
- 2025 HARLEY\-DAVIDSON FLTRXRRSE
- 2021 to 2023 HARLEY\-DAVIDSON FLTRXS
- 2023 HARLEY\-DAVIDSON FLTRXSANV
- 2021 to 2025 HARLEY\-DAVIDSON FLTRXSE
- 2022 to 2023 HARLEY\-DAVIDSON FLTRXST
- 2023 to 2026 HARLEY\-DAVIDSON FLTRXSTSE

JSON: [/v1/bulletins/11029737](/v1/bulletins/11029737)

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