Plug & Play Signal Adapter for 2014+ Harley-Davidson Touring – Aftermarket Amplifier Integration
The Plug & Play Signal Adapter makes it easy to install aftermarket amplifiers on 2014+ Harley-Davidson Touring motorcycles without cutting or splicing factory wiring. Simply unplug the stock harness, insert the adapter, and you have clean, reliable signal output ready for any high-quality motorcycle amplifier.
Available in Front, Rear, or Front+Rear (F/R) configurations, this adapter provides a clean, noise-free signal path from the factory radio to your amplifier, keeping the OEM wiring fully intact and 100% reversible.
Key Features
- True Plug & Play — no cutting, no splicing, no wire damage.
- Compatible with all aftermarket amplifiers including Hertz, Soundstream, Soundigital, Velocity and AHB.
- Maintains factory radio functions and stock audio routing.
- Provides clean, low-distortion signal ideal for high-power systems.
- Three variants to suit any build — front, rear or full system integration.
- Perfect for Boom Box upgrades and Stage 1/2/3 aftermarket audio setups.
Why It Works on Harleys
- Harley wiring is sensitive — this adapter avoids cutting the bike’s harness.
- Ideal for touring bikes where reliability is critical.
- Full reversibility keeps your bike’s wiring OEM-safe.
- Supports high-output amplifiers without adding noise or distortion.
Available Variants
- WH-14-PNP-F — Front signal adapter only
- WH-14-PNP-R — Rear signal adapter only
- WH-14-PNP-F/R — Full system front + rear adapter
Recommended System Use
- Front speaker upgrades with mid + horn setups.
- Rear saddlebag or Tour-Pak speakers requiring independent signal.
- Full Stage 2 / Stage 3 builds using multiple amplifiers.
- Factory radio retention with complete aftermarket system flexibility.
Fitment
- Harley-Davidson Touring Models 2014+
- Street Glide • Road Glide • Ultra • CVO • Tri Glide
- Compatible with Boom Box GT, GTS and SoundStream V2/WHD14+
Specifications
| Type | Plug & Play signal breakout adapter |
| Variants | Front • Rear • Front+Rear |
| Connections | OEM Harley radio harness to aftermarket amp leads |
| Integration | Works with any amplifier or DSP |
What's Included
- 1 × Plug & Play Adapter (variant selected)
- Pre-terminated connectors
- Zip ties & install accessories
Need Help Choosing the Right Variant?
Front Only (WH-14-PNP-F): For fairing speakers or single-amp systems.
Rear Only (WH-14-PNP-R): For saddlebag/Tour-Pak speakers.
Front+Rear (WH-14-PNP-F/R): For full multi-amp or Stage 2/3 systems.
Shipping
Australia Shipping:
- Under $500 → $19.95
- $500–$2,500 → $14.95
- Over $2,500 → FREE
- Bulky items → +$24.95 surcharge (waived over $2,500)
Fast dispatch from Brisbane. Same-day shipping on in-stock orders before 1pm AEST.
Return policy
Change-of-mind returns: We accept returns within 7 days of delivery on unused, unopened products in original sealed packaging. Restocking fees apply (20–30%). Return shipping is the customer’s responsibility.
No returns on opened audio gear, installed items, custom orders, or special-order products. Please check fitment carefully before installing.
Faulty or incorrect items: If you experience an issue, contact us with photos/video and your order number. We’ll assess the claim and arrange repair, replacement, or refund for verified faults under the Australian Consumer Law.
Fitment assistance: If you’re unsure about compatibility, reach out before ordering—we’re happy to help.