Scosche HDSWC1 Handlebar Control Interface for 1998-2013 Harley Davidson Motorcycles

The Scosche HDSWC1 interface allows for the replacement of your factory original Harley Davidson stereo while retaining handlebar-mounted controls, provided they are equipped. This interface is designed for easy plug-and-play connection, eliminating the need for cutting, splicing, or adding additional resistors. The included harness also provides +12V Constant power, +12V Switched power, and Front speaker connections.

Application Guide

Harley Davidson

Model	Years
Road Glide/FLTR	1998-2013
Street Glide/FLHX/FLHT	1998-2013

Features

Retains handlebar control functions (if equipped).
Retains OEM phone buttons (if aftermarket stereo supports).

Liability Disclaimer

This HDSWC1 instruction manual is based on carefully documented data and research. Scosche Industries Inc. cannot be held responsible for discrepancies or inconsistencies that may occur due to vehicle manufacturing changes or options, or damages that may occur in the vehicle during the installation of components while using this manual.

For any questions or technical help, call the toll-free technical help line at: 1-800-621-3695 ext. 3.

Wire Color Codes

White	Left Front Positive (LF+)
White/Black	Left Front Negative (LF-)
Gray	Right Front Positive (RF+)
Gray/Black	Right Front Negative (RF-)
Black	Chassis Ground
Yellow	+12V Constant Power
Red	+12V Accessory

Note: The RED Accessory output wire from the HDSWC1 interface is rated at 10A Max output for most Aftermarket headunits. Connecting additional +12V switched accessories to this output source is not recommended as it may cause damage to the HDSWC1 module itself. If 10A output is not sufficient, a relay is needed (relay not included).

Steering Wheel Wiring Codes

Stereo Brand	Action
Alpine	Cut Green wire loop
Clarion	Cut Violet wire loop
JVC	Cut Green AND Violet loops
Panasonic	Cut Blue wire loop
Kenwood / JVC 2011 & Later	Cut Blue and Green loops
Sony/Pioneer	Do NOT cut loops

Installation Notes

Prepare the HDSWC1 steering wheel connector harness using the chart above.
Connect the harness to the interface module.
For Alpine, Clarion, JVC, Panasonic and Sony Car Stereos, connect the 3.5MM male steering plug into the Steering wheel input jack at the back of the Stereo.
For Kenwood and newer JVC Stereos, connect the Blue wire from the Steering wheel harness to the "Remote in" wire at the back of the Stereo.

Handlebar Controls Overview

Left Handlebar Controls

1. Volume +
2. Mute
3. Volume -
4. End (if equipped)
5. Preset + (if equipped)
6. Answer (if equipped)

Right Handlebar Controls

7. Track +/Seek +
8. Source
9. Track -/seek -

Wiring Diagram

The wiring diagram illustrates the connections required to integrate the HDSWC1 interface with an aftermarket radio and a Harley Davidson motorcycle's wiring harness. The HDSWC1 module features both a 12-pin and a 14-pin plug for connectivity.

Connection to the aftermarket radio is made via either a 3.5mm steering wheel input jack, commonly used by brands like Alpine, Clarion, Panasonic, JVC, and Sony, or through a Blue/Yellow wire steering wheel output, typically for JVC and Kenwood units.

The configuration of the steering harness for various aftermarket stereos is detailed in the following table:

Stereo Brand	Action
Alpine	Cut Green wire loop
Clarion	Cut Violet wire loop
JVC	Cut Green AND Violet loops
Panasonic	Cut Blue wire loop
Kenwood / JVC 2011 & Later	Cut Blue and Green loops
Sony/Pioneer	Do NOT cut loops

The HDSWC1 connects to the motorcycle's wiring harness via a dedicated connector.

Technical Support

For any installation questions or technical assistance, please contact Scosche Industries Inc. at (800) 621-3695, extension 3.

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