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 switch housing and CAN-Bus control module, ensuring your...21201402- SKU:
- 21201402
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $99.99Now: $90.00Was: $99.99Qty in Cart: 0Quantity:Price:MSRP: $99.99Now: $90.00Was: $99.99Subtotal: -
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. The NAMZ Pigtail Connector eliminates guesswork with...21201205- SKU:
- 21201205
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
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 plug-and-play solution that lets you relocate your front...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 guesswork and ensuring your new lights integrate...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 eliminates the guesswork of custom fabrication by...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 GXL wire delivers automotive-grade construction with...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 it. NAMZ cloth-braided wire gives you a...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 harnesses, engine bay modifications, and electrical...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 the durability and thermal stability you need without...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 cross-linked polyethylene insulation that stands up to...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 durability and thermal stability required in...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 automotive-grade durability with cross-linked polyethylene...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 environments, with cross-linked polyethylene insulation rated...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 cross-linked polyethylene insulation that handles extreme...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 precision-engineered components designed to maintain...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 connector receptacle kit ensures reliable, weatherproof...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
$6.95Qty in Cart: 0Quantity:Price:$6.95Subtotal: -
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 MDP-12B delivers OEM-quality connectors engineered for...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 delivers a compact, sealed solution that keeps your circuits...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, watertight connections that maintain signal consistency...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 Connector 3-Wire Male delivers a sealed, compact solution...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
