Scosche HDSWC1 Handlebar Control Interface

For 1998-13 Harley Davidson Motorcycles

Introduction / Preliminary

The HDSWC1 interface allows replacement of the factory Harley Davidson stereo while retaining handlebar-mounted controls (when equipped). It offers easy plug-and-play connection without cutting, splicing, or additional resistors. The included harness provides +12V constant power, +12V switched power, and front speaker connections.

Application Guide

Harley Davidson Models:

Features

Important Information

DO NOT RETURN PRODUCT TO THE RETAILER

For assistance or replacement parts, call Scosche Industries toll-free at 1-800-621-3695 X3.

Hours: MON-FRI 8AM-5:30PM (PST), SATURDAY 8AM-2PM (PST)

Liability Disclaimer

This instruction booklet is based on carefully documented data and research of automobile disassembly, wire harness/codes, and information pertaining to the installation of this kit. Scosche Industries, Inc. cannot be held responsible for discrepancies/inconsistencies that may occur due to automobile manufacturing changes or options, or damage that may occur in the automobile during the installation of components while using this booklet.

For further questions, contact Scosche Industries technical help line at: 1-800-621-3695x3

©2016 SCOSCHE INDUSTRIES, INC

Wiring Codes

White: Left Front Positive (LF+)

White/Black: Left Front Negative (LF-)

Black: Chassis Ground Control

Yellow: +12V Constant Power

Red: +12V Accessory

Gray: Right Front Positive (RF+)

Gray/Black: Right Front Negative (RF-)

Note: The RED Accessory output wire is rated at 10A Max output for most aftermarket head-units. Do not connect additional +12V switched accessories to this output to avoid module damage. A relay is needed if 10A output is insufficient (Relay not included).

Steering Wheel Wiring Codes

Figure 1: Wiring Diagram

This diagram shows the connections for steering wheel controls. The interface uses a 3.5mm plug for most stereos and a brown wire for Kenwood and newer JVC stereos.

Stereo BrandConfigurationConnection to Stereo
ALPINECut Green Loop3.5mm
CLARIONCut Violet Loop3.5mm
JVCCut Green & Violet Loop3.5mm or Brown (Key 1)
KENWOODCut Orange & GreenBrown (Key 1)
PANASONICCut OrangeBrown (Key 1)
PIONEER / SONYDo Not Cut Loops3.5mm
OTHER BRANDSCall Tech SupportBrown, Gray, Black

Installation Steps:

  1. Prepare SWC steering wheel connector harness using the chart.
  2. Connect the harness to the interface module.
  3. For Alpine, Clarion, JVC, Panasonic, and Sony stereos, connect the 3.5mm male steering plug into the steering wheel input jack at the back of the stereo.
  4. For Kenwood and newer JVC stereos, connect the BROWN wire from the steering wheel harness to the "Remote in" wire at the back of the stereo.

Figure 1A: Alpine Wiring Example

Shows the wiring for Alpine stereos, with orange and purple wires connected.

Figure 1B: Kenwood Wiring Example

Shows the wiring for Kenwood stereos, with orange and purple wires connected.

Handlebar Controls

Left Handlebar Controls:

Right Handlebar Controls:

HDSWC1 Wiring Diagram

Notes for Sony Head Unit Installation:

Ensure the interface is disconnected before opening the enclosure by hand to reveal the dipswitches. Dipswitch 4 must be set to "Off" (Down position) for Sony head units, or "On" (UP Position) for Pioneer head units. Refer to the Dipswitch chart.

Setting #Brand ApplicationDIP Switch 1DIP Switch 2DIP Switch 3DIP Switch 4
1All brands except PioneerOFFOFFOFFOFF
2All brands except SonyOFFOFFOFFON
3Pioneer ONLYOFFOFFONON

Diagram Description: The diagram illustrates the HDSWC1 module with connections labeled for the bike harness, aftermarket radio, and ground. It shows the 14-pin and 12-pin connectors and the 3.5mm jack for steering wheel control input.

Configure Steering Harness for Aftermarket Stereo: (Refer to the table in the 'Steering Wheel Wiring Codes' section for configuration details).

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