Wiring Group
Harley Bike Wiring Groups at JJ Motorsports
Simplify your Harley's electrical upgrades with premium wiring extensions and connectors from JJ Motorsports, featuring plug-and-play harnesses and mating plugs for clean handlebar swaps, throttle-by-wire conversions, and accessory additions on Touring, Softail, Dyna, and Sportster models. These high-quality NAMZ components ensure reliable connections without cutting stock wiring.
Shop NAMZ wiring groups for race-proven reliability. Explore related categories such as Harley lights and electrical for batteries and switches, or Harley for handlebars and levers to complete your electrical refresh.
Top Harley Wiring Groups
- NAMZ Mating Connectors NMD-410017 – Universal mating connector set; weatherproof plugs for custom wiring on Twin Cam and M8 models.
- NAMZ Throttle by Wire Extension Harness Harley-Davidson NTBW-4202 – TBW extension harness for 2014+ Touring; 8-inch length for clean lever swaps.
- NAMZ Handlebar Wiring Extension 8" 96-06 FL NHCX-DB08 – 8-inch extension for 1996-2006 Touring; pre-wired for clutch and brake switches.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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CIRO Wire Extensions 8" - Pair 41025
CIRO
$16.99If you're running Ciro rear lighting accessories on an extended custom build or dealing with non-standard mounting locations, these wire extensions eliminate the frustration of undersized harnesses and forced compromises. The 8" length gives you the...21200932- SKU:
- 21200932
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- PAIR
- CONNECTOR PIN COUNT:
- 4 PINS
- MODEL:
- SHOCK & AWE
- PRODUCT NAME:
- WIRE HARNESS EXTENSION
- TYPE:
- LED ACCENT LIGHTING KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 8'
- RIDING STYLE:
- STREET
$16.99 -
CUSTOM DYNAMICS Adapter Harness - Rear Fender CD-HARN-F-SS6
CUSTOM DYNAMICS
$39.95Upgrading your Street Glide or Road Glide Custom with a modern rear fender conversion shouldn't require custom wiring and fabrication. The CUSTOM DYNAMICS Adapter Harness eliminates guesswork by providing a direct, factory-style connection between your...21201152- SKU:
- 21201152
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- REAR FENDER
- PRODUCT NAME:
- WIRE HARNESS ADAPTER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
$39.95 -
CUSTOM DYNAMICS Adapter Harness - Rear Fender CD-HARN-F-BCM
CUSTOM DYNAMICS
$39.95Swapping your rear fender shouldn't require hours of rewiring or custom fabrication. The CUSTOM DYNAMICS Adapter Harness eliminates compatibility headaches by providing a direct plug-and-play connection between your OEM motorcycle harness and newer-model...21201151- SKU:
- 21201151
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- WIRE HARNESS ADAPTER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- REAR FENDER
- FOR MAKE:
- HARLEY DAVIDSON
$39.95 -
CUSTOM DYNAMICS Endcap - 7 Pack PG-CAP
CUSTOM DYNAMICS
$6.95If you're running CUSTOM DYNAMICS ProGLOW™ light strips on your bike, protecting those channels from moisture and road debris is non-negotiable—especially in wet conditions or extended rides. This 7-pack endcap set gives you the proper closure system to...21201106- SKU:
- 21201106
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- END CAP
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$6.95 -
CUSTOM DYNAMICS Y-Splitter - 7" - 3-Way Splitter PG-TRI-7
CUSTOM DYNAMICS
$18.95If you're running ProGlow™ accent lighting on your vehicle, precise wire management is critical to achieving a professional installation and preventing voltage drop across multiple light circuits. The CUSTOM DYNAMICS Y-Splitter gives you the flexibility...21201105- SKU:
- 21201105
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- WIRE
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- 3-WAY SPLITTER
- WIRE/CABLE LENGTH IMPERIAL:
- 7'
$18.95 -
CUSTOM DYNAMICS Y-Splitter - 14" PG-Y-14
CUSTOM DYNAMICS
$12.95ProGlow™ accent lighting demands precise wire routing to achieve a professional installation, and inadequate harness lengths compromise both aesthetics and functionality. The CUSTOM DYNAMICS Y-Splitter gives you the flexibility to position lights exactly...21201104- SKU:
- 21201104
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- Y SPLITTER
- WIRE/CABLE LENGTH IMPERIAL:
- 14'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$12.95 -
CUSTOM DYNAMICS Y-Splitter - 7" PG-Y-7
CUSTOM DYNAMICS
$11.95ProGlow™ accent lighting demands precise wiring runs to achieve clean installations without excess cable clutter or poor light placement. The CUSTOM DYNAMICS Y-Splitter gives you the flexibility to distribute power to multiple accent fixtures from a...21201103- SKU:
- 21201103
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- Y SPLITTER
- WIRE/CABLE LENGTH IMPERIAL:
- 7'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$11.95 -
CUSTOM DYNAMICS Wire Extension - 44" - 5-Way Splitter PG-EXT-44
CUSTOM DYNAMICS
$12.95Custom Dynamics' wire extension gives you the flexibility to position ProGlow™ accent lighting exactly where you need it, eliminating the compromises that come with fixed harness lengths. The 44" extension and 5-way splitter accommodate complex lighting...21201102- SKU:
- 21201102
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- TYPE:
- EXTENSION
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 44'
$12.95 -
CUSTOM DYNAMICS Wire Extension - 24" PG-EXT-24
CUSTOM DYNAMICS
$6.95ProGlow™ accent lighting demands precision installation, and improper wire routing compromises both aesthetics and reliability. The CUSTOM DYNAMICS Wire Extension gives you the flexibility to position lights exactly where you need them, eliminating the...21201101- SKU:
- 21201101
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- WIRE
- TYPE:
- EXTENSION
- WIRE/CABLE LENGTH IMPERIAL:
- 24'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$6.95 -
CUSTOM DYNAMICS Wire Extension - 6" PG-EXT-6
CUSTOM DYNAMICS
$6.95Accent lighting placement can make or break your vehicle's aesthetics—and a few inches in either direction changes everything. The CUSTOM DYNAMICS Wire Extension gives you the precise length control needed to route ProGlow™ lighting exactly where you...21201099- SKU:
- 21201099
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 6'
- TYPE:
- EXTENSION
- UNITS:
- KIT
$6.95 -
CUSTOM DYNAMICS Harness - Rear Speakers - Tour-Pak CD-HARN-TP-2
CUSTOM DYNAMICS
$45.95Adding a Tour-Pak to your Harley expands storage and touring capability, but integrating rear speakers requires proper wiring to preserve audio quality and reliability. This Custom Dynamics harness eliminates guesswork by providing a direct, factory-spec...21201098- SKU:
- 21201098
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- WIRING HARNESS
- TYPE:
- REAR SPEAKER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- FOR MAKE:
- HARLEY DAVIDSON
$45.95 -
CUSTOM DYNAMICS Power Harness - Tour-Pak CD-HARN-TP-1
CUSTOM DYNAMICS
$54.95If you're running auxiliary lighting, charging solutions, or marker lights on your 2014-2021 Harley-Davidson Tour-Pak, you need a reliable harness that integrates seamlessly with OEM factory connectors. The Custom Dynamics Power Harness eliminates...21201097- SKU:
- 21201097
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- WIRING HARNESS
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$54.95 -
CUSTOM DYNAMICS Harness - Taillight TL-99-INT-HARN
CUSTOM DYNAMICS
$24.95Upgrading to a modern LED taillight on your classic Harley requires proper signal integration—this harness eliminates guesswork by delivering clean, reliable turn signal power directly to your new lighting assembly. Whether you're running Custom...21201074- SKU:
- 21201074
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- FOR MAKE:
- HARLEY DAVIDSON
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- TAILLIGHT
- UNITS:
- EACH
$24.95 -
CUSTOM DYNAMICS TriBar Eliminator Harness - Harley Davidson TRI3-ELIM-HARN
CUSTOM DYNAMICS
$32.95If you're running a custom rear fender setup or simply want a cleaner tail section without the factory TriBar light, this harness eliminates the clutter while maintaining full functionality for your aftermarket turn signal bar. The plug-and-play design...21201039- SKU:
- 21201039
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- EXTENSION
- UNITS:
- EACH
$32.95 -
CUSTOM DYNAMICS TriBar Eliminator Harness - Harley Davidson TRI2-ELIM-HARN
CUSTOM DYNAMICS
$32.95If you're upgrading your Harley's rear end styling, the factory TriBar light creates a visual disconnect that aftermarket fenders and custom builds demand you eliminate. This Custom Dynamics harness lets you remove the stock TriBar entirely while...21201038- SKU:
- 21201038
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- EXTENSION
- UNITS:
- EACH
$32.95 -
CUSTOM DYNAMICS BCM Plug Extension CD-BCM-PLUG-EXT
CUSTOM DYNAMICS
$15.95If you're running multiple Custom Dynamics lighting products on your motorcycle, this extension harness eliminates the need for makeshift wiring solutions and potential compatibility issues. The BCM Plug Extension gives you three dedicated accessory...21201026- SKU:
- 21201026
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- EXTENSION
- UNITS:
- EACH
$15.95 -
CUSTOM DYNAMICS Harness Extension - Smart 3-Play CD-TPU-EXT
CUSTOM DYNAMICS
$15.95If you're running multiple Custom Dynamics® lighting products and need independent control over run, brake, and turn functions, this harness extension is essential. The CD-TPU-EXT eliminates the guesswork of cobbling together multiple connectors, giving...21200976- SKU:
- 21200976
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- POWER CONNECTION TYPE:
- CONNECTING HARNESS
- UNITS:
- PAIR
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- EXTENSION
$15.95 -
CUSTOM DYNAMICS 4-Pin Trailer Wire Harness - Universal CD-TRAILER-HARN
CUSTOM DYNAMICS
$7.95Whether you're towing a race trailer, equipment hauler, or utility bed, a reliable electrical connection is non-negotiable. This Custom Dynamics harness eliminates the guesswork of splicing and soldering by delivering a straightforward plug-and-play...21200929- SKU:
- 21200929
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRING HARNESS KIT
- RIDING STYLE:
- UTV
- TYPE:
- TRAILER HITCH
- UNITS:
- KIT
$7.95 -
CUSTOM DYNAMICS Wiring Harness - Harley Davidson RKINSTALL
CUSTOM DYNAMICS
$12.95Custom Dynamics LED fender tip kits transform your Harley's visual presence with integrated lighting while maintaining factory aesthetics. This wiring harness eliminates the guesswork of custom fabrication by providing a direct, tested installation path...21200887- SKU:
- 21200887
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- RIDING STYLE:
- STREET
- TYPE:
- MARKER LIGHT
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- PRODUCT NAME:
- WIRE KIT
$12.95 -
CUSTOM DYNAMICS Passing Lamp Control Harness - Harley Davidson TB-PLHLK-2
CUSTOM DYNAMICS
$19.95Stock Harley-Davidson headlamp switching logic cuts passing lamp power when you engage high beam—a safety compromise that reduces visibility during critical passing maneuvers. The CUSTOM DYNAMICS Passing Lamp Control Harness eliminates this limitation,...21200870- SKU:
- 21200870
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FEATURES:
- INCLUDES TERMINAL ENDS
- MODEL:
- TRUBEAM®
- PRODUCT NAME:
- WIRING HARNESS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- PASSING LAMP
$19.95
