Harley 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!
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- Qty in Cart
- Quantity
- Price
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On Sale
KOSO NORTH AMERICA Wire Harness - FLHX HZ030001
KOSO NORTH AMERICA
MSRP: $21.95Now: $19.76Was: $21.95Installing a modern LED headlight on a classic or custom Harley requires precision wiring that respects your bike's electrical architecture. The KOSO NORTH AMERICA Wire Harness HZ030001 eliminates...21201390- SKU:
- 21201390
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
MSRP: $21.95Now: $19.76Was: $21.95 -
On Sale
KOSO NORTH AMERICA Wire Harness - FLHR HZ030002
KOSO NORTH AMERICA
MSRP: $21.95Now: $19.76Was: $21.95If you're upgrading to a Zenith LED headlight on your FLHR, you need a proper wire harness adapter to ensure reliable electrical integration and eliminate compatibility headaches. This KOSO North...21201391- SKU:
- 21201391
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
MSRP: $21.95Now: $19.76Was: $21.95 -
CUSTOM DYNAMICS Wire Harness - Shark Demon Headlight SD2-RG-HARN
CUSTOM DYNAMICS
$19.95If you're upgrading to Shark Demon LED headlights on your Road Glide, you need a harness engineered specifically for seamless integration—not a jury-rigged adapter that risks electrical issues down...21201355- SKU:
- 21201355
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$19.95 -
CUSTOM DYNAMICS Wiring Harness - Single Lamp SD2-UNV-HARN
CUSTOM DYNAMICS
$19.95If you're upgrading to a Shark Demon headlight, you need a harness that reliably bridges your vehicle's electrical system to the new fixture—no improvisation, no workarounds. This CUSTOM DYNAMICS...21201356- SKU:
- 21201356
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$19.95 -
HOGTUNES Rear Speaker Plug - Street/Road Glide RR PLUG-RM
HOGTUNES
$39.95If you're running a Street or Road Glide with aftermarket audio aspirations, this rear speaker plug eliminates the guesswork of factory radio integration. It provides direct access to your radio's...21201371- SKU:
- 21201371
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$39.95 -
CUSTOM DYNAMICS Accessory Harness - Electrical - Splitter CD-18ST-Y
CUSTOM DYNAMICS
$29.95Adding aftermarket accessories to your Harley shouldn't mean sacrificing factory integration or dealing with messy wiring. The CUSTOM DYNAMICS Accessory Harness Splitter solves this by providing a...21201397- SKU:
- 21201397
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$29.95 -
NAMZ Harness - Throttle-by-Wire - Handlebar Switch NHCX-C235
NAMZ
$89.95If you're upgrading your throttle-by-wire system or extending your handlebar controls, OEM wiring harnesses often fall short—too short, inflexible, and prone to failure under custom setups. The NAMZ...21201404- SKU:
- 21201404
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$89.95 -
NAMZ Connector - Fog Light Harness w/ Terminal Seals NMCON-04R
NAMZ
$10.95A faulty fog light harness connector compromises both visibility and electrical reliability—especially critical for racing applications where every system must perform flawlessly. This NAMZ OEM...21201405- SKU:
- 21201405
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$10.95 -
NAMZ Connector - CAN Terminating - 2-Position NHD-69202959
NAMZ
$13.95CAN bus connectivity is critical to modern engine management and data logging systems—a faulty terminating connector compromises your entire electrical architecture. The NAMZ CAN Terminating...21201407- SKU:
- 21201407
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$13.95 -
NAMZ Connector Kit - BCM C w/2 Gauge Sizes NHD-69201933
NAMZ
$77.95Reliable electrical connections are the foundation of any high-performance build, and factory BCM connector kits ensure OEM-grade fitment without compromise. If you're upgrading your engine...21201408- SKU:
- 21201408
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$77.95 -
NAMZ Connector Kit - BCM B w/4 Gauge Sizes HND-69201932
NAMZ
$84.95If you're rebuilding a Honda engine harness or replacing corroded BCM connectors, quality terminals make the difference between a reliable electrical system and intermittent gremlins. This OEM NAMZ...21201409- SKU:
- 21201409
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$84.95 -
NAMZ Connector Kit - BCM Power w/Terminal Seals NHD-69201931
NAMZ
$19.95Electrical connectivity is the foundation of modern engine management, and a compromised BCM power connector can lead to intermittent faults, limp-mode operation, or complete system failure. This...21201410- SKU:
- 21201410
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$19.95 -
NAMZ Saddlebag Tag Holder w/ Illuminated License Plate Frame - '97 FLHR NIBTH-B01
NAMZ
$149.95A properly illuminated license plate isn't just about compliance—it's about ensuring your '97 FLHR is visible and legible in low-light conditions while maintaining a clean, integrated aesthetic. This...21201411- SKU:
- 21201411
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$149.95 -
NAMZ Saddlebag Tag Holder w/ Illuminated License Plate Frame - '10 FLHX NIBTH-B02
NAMZ
$149.95Legal compliance meets aesthetic function with this NAMZ illuminated license plate frame—essential for nighttime visibility and DOT regulations while adding a clean, finished look to your '10 FLHX...21201412- SKU:
- 21201412
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$149.95 -
NAMZ Saddlebag Tag Holder w/ Illuminated License Plate Frame - '14 FLHT NIBTH-B03
NAMZ
$149.95License plate visibility and legality are non-negotiable on the road, and a properly illuminated tag holder ensures both day and night compliance while protecting against water damage. This NAMZ...21201413- SKU:
- 21201413
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
NAMZ Saddlebag Tag Holder w/ Illuminated License Plate Frame - '97 FLHR NIBTH-C01
NAMZ
$149.95Proper license plate illumination isn't just about meeting DOT requirements—it's about visibility and safety during night rides. This NAMZ saddlebag tag holder keeps your plate readable and your bike...21201414- SKU:
- 21201414
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$149.95 -
NAMZ Saddlebag Tag Holder w/ Illuminated License Plate Frame - '10 FLHX NIBTH-C02
NAMZ
$149.95Proper license plate illumination isn't just about compliance—it's about ensuring your bike is visible to other riders in low-light conditions, which directly impacts safety. This NAMZ saddlebag tag...21201415- SKU:
- 21201415
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$149.95 -
NAMZ Saddlebag Tag Holder w/ Illuminated License Plate Frame - '14 FLHT NIBTH-C03
NAMZ
$149.95Federal regulations require illuminated license plate visibility, and poor lighting invites unwanted citations. This NAMZ saddlebag tag holder delivers bright white LED illumination with a robust...21201416- SKU:
- 21201416
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$149.95 -
NAMZ 100' Wire Spool - 20 Gauge - White/Gray NWR-98-100-20
NAMZ
$32.95Whether you're rewiring a custom harness, upgrading your electrical system, or running auxiliary circuits, having quality automotive wire on hand is essential. This 100-foot spool gives you the...21201254- SKU:
- 21201254
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- COLOR/FINISH:
- WHITE
- UNITS:
- EACH
- WIRE STRIPE COLOR:
- GRAY
- MATERIAL:
- COPPER
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
$32.95 -
NAMZ 100' Wire Spool - 20 Gauge - White NWR-91-100-20
NAMZ
$32.95When you're building a custom wiring harness or updating your vehicle's electrical system, reliable wire is non-negotiable. NAMZ's 100-foot spool of 20-gauge automotive wire gives you the length and...21201255- SKU:
- 21201255
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- MATERIAL:
- COPPER
- UNITS:
- EACH
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
- WIRE GAUGE:
- 20 AWG
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- COLOR/FINISH:
- WHITE
- WIRE STRIPE COLOR:
- WHITE
$32.95
