DS18 RY‑HARNESS.HD Plug‑and‑Play Amplifier Harness for Harley-Davidson® (2014–2023)
DS18 RY‑HARNESS.HD Plug‑and‑Play Amplifier Harness for Harley-Davidson® (2014–2023)
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DS18 RY‑HARNESS.HD Plug‑and‑Play Amplifier Harness for Harley-Davidson® (2014–2023)
The DS18 RY-HARNESS.HD is a plug-and-play T-harness that connects a Harley-Davidson Touring factory radio to a DS18 or other aftermarket amplifier or DSP without splicing. DS18 lists fitment as Harley-Davidson Touring models (Street, Road and Electra Glide).
Plug-and-play T-harness for Harley Touring amp and DSP installs
Connects the factory radio to an aftermarket amplifier or DSP with no splicing. It provides a 4-channel RCA pre-output and a DSP power connection.
- Plug-and-play T-harness, no splicing
- 4-channel RCA pre-output
- High-to-low converter with integrated load resistors
Key Product Details
| Model | DS18 RY-HARNESS.HD |
| Type | Plug-and-play T-harness |
| Fits | Harley-Davidson Touring models (Street, Road and Electra Glide), per DS18 |
| Connects | Factory radio to a DS18 or other aftermarket amplifier or DSP |
| Signal | High-to-low converter with integrated load resistors |
| Pre-Output | 4-channel RCA |
| DSP Power | Connection with remote output that turns on with the radio |
| Wiring | Oxygen-free copper (OFC), water-resistant construction |
Fitment is listed for Harley-Davidson Touring models. Confirm your model year and wiring with us before ordering.
How the Harness Fits Into an Amplifier or DSP Install
The harness taps the factory radio signal through a high-to-low converter with integrated load resistors and sends it out on a 4-channel RCA pre-output to your amplifier or DSP. Its DSP power connection includes a remote output that turns on with the radio.
Noise-rejecting RCA cables are part of the harness. Pair it with a plug-and-play amplifier or a motorcycle DSP.
Related Paths
DS18 RY-HARNESS.HD FAQ
What does the RY-HARNESS.HD do?
It is a plug-and-play T-harness that connects a Harley-Davidson Touring factory radio to a DS18 or other aftermarket amplifier or DSP without splicing.
What outputs does it provide?
It provides a 4-channel RCA pre-output for amplifiers or DSPs, plus a DSP power connection with a remote output that turns on with the radio.
Does it need a signal converter?
No separate converter is needed. It has a high-to-low signal converter with integrated load resistors built in.
What is it made of?
It uses oxygen-free copper (OFC) wiring in a water-resistant construction, with noise-rejecting RCA cables.
Which bikes does it fit?
DS18 lists Harley-Davidson Touring models (Street, Road and Electra Glide). Send us your model and year and we will confirm fitment before you order.
Need Help Choosing?
Tell us your bike, model year and what you want to add, and we will confirm fitment and the right parts before you order.