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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
LA CHOPPERS Wire Harness - Handlebar - 39" LA-8997-39
LA CHOPPERS
MSRP: $99.99Now: $90.00Was: $99.99Swapping to aftermarket handlebars shouldn't mean wrestling with incompatible wiring. The LA CHOPPERS 39" Wire Harness eliminates guesswork by providing a direct OEM-spec connection between your...21201402- SKU:
- 21201402
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $99.99Now: $90.00Was: $99.99 -
NAMZ Pigtail Connector - Fuel Induction Module/Throttle Body PT-33471-0601
NAMZ
$15.95Factory fuel induction and throttle body wiring requires absolute reliability—a corroded or improperly crimped connector can cause lean running conditions, rough idle, or complete fuel system failure...21201205- SKU:
- 21201205
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$15.95 -
CUSTOM DYNAMICS Extension Harness - Front Turn Signal - 4" CD-TS-EXT-4
CUSTOM DYNAMICS
$19.95When you upgrade to aftermarket handlebars, your OEM turn signals often end up positioned awkwardly or too close to new controls. This extension harness solves that problem with a straightforward...21201224- SKU:
- 21201224
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
CUSTOM DYNAMICS Run/Turn Signal Adapter - Front - '23 CVO MPR-23-FTS
CUSTOM DYNAMICS
$24.95If you're upgrading your '23 CVO with Custom Dynamics lighting products, this adapter is your essential foundation. It provides clean, reliable connections to your OEM electrical system—eliminating...21201344- SKU:
- 21201344
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$24.95 -
CUSTOM DYNAMICS Wire Harness - CVO PB-13-CVO-HARN
CUSTOM DYNAMICS
$44.95If you're retrofitting a '13-earlier style CVO rear fender on your '14-'23 Touring model, this harness bridges the gap between modern wiring and classic aesthetics. The CUSTOM DYNAMICS Wire Harness...21201246- SKU:
- 21201246
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- LIGHTING
$44.95 -
NAMZ 25' GXL Wire Spool - 12 Gauge - Brown NGWR-112
NAMZ
$45.95When you're building or rewiring a vehicle, wire quality directly impacts reliability and safety—cheap insulation breaks down under heat and vibration, leading to shorts and electrical failures. NAMZ...21201286- SKU:
- 21201286
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- BROWN
- UNITS:
- EACH
- WIRE GAUGE:
- 12 AWG
- MATERIAL:
- COPPER
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$45.95 -
NAMZ 25' Cloth-Braided Wire Spool - 16 Gauge - Green NCBW-8
NAMZ
$39.95Clean wiring harnesses aren't just about aesthetics—they're essential for reliable electrical connections in custom builds, restorations, and performance applications where stock harnesses won't cut...21201268- SKU:
- 21201268
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- UNITS:
- EACH
- WIRE GAUGE:
- 16 AWG
- MATERIAL:
- COPPER
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- MATERIAL:
- COTTON
- COLOR/FINISH:
- GREEN
- COLOR/FINISH:
- LACQUER
- WIRE STRIPE COLOR:
- GREEN
$39.95 -
NAMZ 25' GXL Wire Spool - 10 Gauge - Brown NGWR-110
NAMZ
$55.95Clean, reliable wiring is foundational to any build—whether you're running a street machine or a dedicated race car. NAMZ GXL wire delivers the durability and temperature stability needed for custom...21201273- SKU:
- 21201273
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- COLOR/FINISH:
- BROWN
- UNITS:
- EACH
- MATERIAL:
- COPPER
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- WIRE GAUGE:
- 10 AWG
$55.95 -
NAMZ 25' GXL Wire Spool - 10 Gauge - White NGWR-910
NAMZ
$55.95Reliable wiring is the foundation of any well-built electrical system, whether you're restoring a classic, upgrading a street machine, or sorting harness work on a race car. NAMZ GXL wire delivers...21201284- SKU:
- 21201284
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE GAUGE:
- 10 AWG
- COLOR/FINISH:
- WHITE
- MATERIAL:
- COPPER
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$55.95 -
NAMZ 25' GXL Wire Spool - 12 Gauge - Red NGWR-212
NAMZ
$45.95Quality wiring is the backbone of any reliable electrical system, whether you're building a custom harness or upgrading factory circuits. NAMZ's GXL wire delivers automotive-grade construction with...21201287- SKU:
- 21201287
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- COPPER
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE GAUGE:
- 12 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$45.95Qty in Cart: 0Quantity:Price:$45.95Subtotal: -
NAMZ 25' GXL Wire Spool - 14 Gauge - Orange NGWR-314
NAMZ
$35.95Quality wiring is the foundation of any reliable electrical system—whether you're building a custom harness, retrofitting components, or repairing existing circuits. This NAMZ GXL wire delivers the...21201296- SKU:
- 21201296
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- ORANGE
- WIRE GAUGE:
- 14 AWG
- MATERIAL:
- COPPER
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$35.95 -
NAMZ 25' GXL Wire Spool - 14 Gauge - Brown NGWR-114
NAMZ
$35.95Reliable wiring is the foundation of any well-built electrical system—whether you're running new circuits, upgrading your harness, or fabricating a custom installation. NAMZ GXL wire delivers...21201294- SKU:
- 21201294
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MATERIAL:
- POLYETHYLENE
- WIRE GAUGE:
- 14 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- BROWN
- MATERIAL:
- COPPER
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$35.95 -
NAMZ 25' GXL Wire Spool - 14 Gauge - Red NGWR-214
NAMZ
$35.95Reliable wiring is non-negotiable in high-performance builds—failures compromise both safety and lap times. This NAMZ GXL wire delivers the durability and thermal stability demanded by racing...21201295- SKU:
- 21201295
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- COPPER
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE GAUGE:
- 14 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$35.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - Brown NGWR-116
NAMZ
$28.95Reliable wiring is the foundation of any custom electrical system, and cheap insulation will fail when you need it most. The NAMZ 25' GXL Wire Spool delivers automotive-grade construction with...21201302- SKU:
- 21201302
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- MATERIAL:
- COPPER
- COLOR/FINISH:
- BROWN
- UNITS:
- EACH
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- WIRE GAUGE:
- 16 AWG
$28.95 -
NAMZ Plug Kit MDP-3B
NAMZ
$5.95A quality plug kit is foundational to reliable ignition performance—poor connections mean misfires, inconsistent timing, and lost power when you need it most. The NAMZ Plug Kit MDP-3B delivers...21200310- SKU:
- 21200310
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR TYPE:
- DEUTSCH DTM
- CONNECTOR PIN COUNT:
- 3 PINS
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- WITH CLIP
$5.95 -
NAMZ Receptacle Kit MDR-3B
NAMZ
$6.95The NAMZ Receptacle Kit MDR-3B is an essential component for anyone building custom wiring harnesses or performing electrical system upgrades on their motorcycle or powersports vehicle. This...21200311- SKU:
- 21200311
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR TYPE:
- DEUTSCH DTM
- PRODUCT NAME:
- WIRING CONNECTOR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- CONNECTOR PIN COUNT:
- 3 PINS
- TYPE:
- WITHOUT CLIP
$6.95 -
NAMZ Plug Kit MDP-12B
NAMZ
$18.95Clean, reliable electrical connections are foundational to any high-performance build—corrosion or poor contact points will cost you consistency on the track and in daily driving. The NAMZ Plug Kit...21200312- SKU:
- 21200312
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- CONNECTOR PIN COUNT:
- 12 PINS
- TYPE:
- WITH CLIP
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- CONNECTOR TYPE:
- DEUTSCH DTM
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
$18.95 -
NAMZ Mini Connector - 3-Wire - Female NJST-03R
NAMZ
$2.95Reliable electrical connections are non-negotiable in high-performance racing applications, where vibration, moisture, and heat constantly challenge your wiring harness. The NAMZ Mini Connector...21200358- SKU:
- 21200358
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR PIN COUNT:
- 3 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- CONNECTOR TYPE:
- JST MINI
- TYPE:
- QUICK-DISCONNECT
- WIRE GAUGE:
- 22 AWG
$2.95 -
NAMZ Mini Connector - 2-Wire - Male NJST-02P
NAMZ
$3.95Reliable electrical connections are non-negotiable in performance applications where vibration, moisture, and heat can compromise wiring integrity. The NAMZ Mini Connector system delivers sealed,...21200361- SKU:
- 21200361
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- MALE
- CONNECTOR TYPE:
- JST MINI
- RIDING STYLE:
- STREET
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
- CONNECTOR PIN COUNT:
- 2 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- QUICK-DISCONNECT
- UNITS:
- EACH
- WIRE GAUGE:
- 22 AWG
$3.95 -
NAMZ Mini Connector - 3-Wire - Male NJST-03P
NAMZ
$3.95If you're building a custom wiring harness or integrating auxiliary sensors and switches into your race car, you need connectors that won't fail under vibration or moisture exposure. The NAMZ Mini...21200362- SKU:
- 21200362
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
- CONNECTOR PIN COUNT:
- 3 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- QUICK-DISCONNECT
- WIRE GAUGE:
- 22 AWG
- CONNECTOR GENDER:
- MALE
- CONNECTOR TYPE:
- JST MINI
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$3.95
