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
-
CUSTOM DYNAMICS Passing Lamp Control Harness - Harley Davidson TB-PLHLK-1
CUSTOM DYNAMICS
$24.95Stock Harley-Davidson passing lamp circuits shut down when you switch to high beam—a safety liability that Custom Dynamics solves with this purpose-built control harness. By allowing your passing lamps to remain illuminated independently of your headlamp...21200869- SKU:
- 21200869
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- WIRING HARNESS
- TYPE:
- PASSING LAMP
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES TERMINAL ENDS
- MODEL:
- TRUBEAM®
- UNITS:
- EACH
$24.95 -
CUSTOM DYNAMICS Headlight Adapter - FLHT/X/TG H4-TOUR-ADPT
CUSTOM DYNAMICS
$19.95If you're upgrading your FLHT/X/TG to a modern LED headlamp, this adapter is essential. The stock dual-halogen housing won't accommodate aftermarket H4-based units without proper integration, which is where this adapter steps in—ensuring seamless...21200647- SKU:
- 21200647
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- PRODUCT NAME:
- WIRING HARNESS
- TYPE:
- LED HEADLAMP ADAPTER
- UNITS:
- EACH
$19.95 -
CUSTOM DYNAMICS Mini Fuse Holder FUSE3PAK
CUSTOM DYNAMICS
$9.95Auxiliary electrical circuits demand reliable protection, and the CUSTOM DYNAMICS Mini Fuse Holder FUSE3PAK delivers exactly that without compromising on installation simplicity. Whether you're running aftermarket lighting, heated grips, or custom...21200638- SKU:
- 21200638
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- AMPS:
- 3 A
- FEATURES:
- FUSED
- RIDING STYLE:
- SNOW
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- CONNECTOR PIN COUNT:
- 2 PINS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- FUSE HOLDER
- TYPE:
- ATC
- UNITS:
- 5 PACK
$9.95 -
CUSTOM DYNAMICS Wiring Cage Clamps 3-Spot - 10PK CG23
CUSTOM DYNAMICS
$7.95Clean wiring harnesses are fundamental to reliable electrical systems in high-performance applications. These stainless steel wiring cage clamps provide secure, repeatable connections for multiple gauge wires without sacrificing durability or current...21200562- SKU:
- 21200562
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- UNITS:
- 10 PACK
- WIRE GAUGE:
- 24 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- AMPS:
- 20 A
- CONNECTOR PIN COUNT:
- 3 PINS
- RIDING STYLE:
- SNOW
- TYPE:
- CAGE CLAMP
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$7.95 -
CUSTOM DYNAMICS Wiring Cage Clamps 5-Spot - 10PK CG25
CUSTOM DYNAMICS
$9.95Clean, reliable wiring is non-negotiable in a performance build, and managing multiple circuits requires connectors you can trust. The CUSTOM DYNAMICS Wiring Cage Clamps consolidate up to five wires per port while maintaining rock-solid connection...21200561- SKU:
- 21200561
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- AMPS:
- 20 A
- CONNECTOR PIN COUNT:
- 5 PINS
- WIRE GAUGE:
- 24 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- TYPE:
- CAGE CLAMP
- UNITS:
- 10 PACK
$9.95 -
CUSTOM DYNAMICS Leverlocks¢â€žÂ¢ - Accent Light Installation Kit CD101
CUSTOM DYNAMICS
$17.95Adding custom accent lighting transforms your vehicle's aesthetic while maintaining a professional appearance—but only if the installation is executed properly. The CUSTOM DYNAMICS Leverlocks¢â€žÂ¢ CD101 kit eliminates guesswork by bundling every...21200549- SKU:
- 21200549
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- LEVERLOCKZ
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- WIRING HARNESS
- RIDING STYLE:
- SNOW
- AMPS:
- 3 A
- FEATURES:
- FUSED
- FEATURES:
- INCLUDES TERMINAL ENDS
- TYPE:
- LED ACCENT LIGHTING KIT
- WIRE GAUGE:
- 18 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$17.95 -
CUSTOM DYNAMICS Posi-Lock Wire Connectors 20-22 Gauge - 6PK 604
CUSTOM DYNAMICS
$10.95Unreliable wire connections compromise electrical performance and create safety hazards in high-vibration racing environments. The CUSTOM DYNAMICS Posi-Lock Wire Connectors eliminate connection failures through a mechanical locking design that...21200548- SKU:
- 21200548
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- POSI-LOCK
- RIDING STYLE:
- OFF-ROAD
- WIRE GAUGE:
- 24-18 AWG
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- 6 PACK
- RIDING STYLE:
- SNOW
$10.95 -
CUSTOM DYNAMICS Magic Power Blocks¢â€žÂ¢ MPB
CUSTOM DYNAMICS
$10.95Adding aftermarket electrical accessories shouldn't mean drilling into your bike's wiring harness or relying on jury-rigged connections. The CUSTOM DYNAMICS Magic Power Blocks MPB gives you a clean, fused power distribution point that handles up to...21130318- SKU:
- 21130318
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- AMPS:
- 15 A
- MODEL:
- MAGIC POWER BLOKS
- TYPE:
- BATTERY
- PRODUCT NAME:
- TERMINAL BOX ASSEMBLY
- RIDING STYLE:
- SNOW
- VOLTS:
- 12 V
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 16'
- COLOR/FINISH:
- GRAY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$10.95 -
COLONY Terminal Plate 9639-22
COLONY
$42.95A quality terminal plate is essential for maintaining clean electrical connections and preventing corrosion in high-vibration racing environments. The COLONY Terminal Plate 9639-22 arrives fully assembled and ready to install, eliminating fabrication...DS189939- SKU:
- DS189939
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- THREADED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- TERMINAL PLATE
- UNITS:
- KIT
$42.95 -
CUSTOM DYNAMICS Posi-Lock Wire Connectors 18-24 Gauge - 9PK 600
CUSTOM DYNAMICS
$10.95Reliable electrical connections are non-negotiable in high-performance applications where vibration, heat cycling, and demanding current loads constantly test your wiring integrity. The CUSTOM DYNAMICS Posi-Lock Wire Connectors eliminate the failure...21200547- SKU:
- 21200547
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 9 PACK
- WIRE GAUGE:
- 24-18 AWG
- MODEL:
- POSI-LOCK
- RIDING STYLE:
- SNOW
$10.95 -
DRAG SPECIALTIES Circuit Breaker - 40A - Harley Davidson MC-DRAG055
DRAG SPECIALTIES
$8.27A reliable circuit breaker is the backbone of your electrical system—protecting your bike's wiring harness and components from catastrophic damage due to shorts or overloads. The DRAG Specialties 40A Circuit Breaker is a direct replacement for...09131001- SKU:
- 09131001
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- CIRCUIT BREAKER
- AMPS:
- 40 A
- CONNECTOR TYPE:
- THREADED
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$8.27Qty in Cart: 0Quantity:Price:$8.27Subtotal: -
DRAG SPECIALTIES Tachometer Wiring Kit - Harley Davidson DRAG008
DRAG SPECIALTIES
$6.19If you're upgrading to a combination speedometer and tachometer setup, you need a wiring harness that's engineered for reliability—not improvised with splice tape and crossed fingers. This Drag Specialties kit eliminates guesswork with factory-matched...21200348- SKU:
- 21200348
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRING HARNESS
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- TYPE:
- TACHOMETER
$6.19 -
DRAG SPECIALTIES Circuit Breaker - 30A - Harley Davidson MC-DRAG019
DRAG SPECIALTIES
$8.27A faulty or undersized circuit breaker compromises your electrical system's ability to protect critical circuits from overload and short-circuit damage. The DRAG Specialties 30A Circuit Breaker is engineered to provide reliable protection for...DS325647- SKU:
- DS325647
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- AMPS:
- 30 A
- UNITS:
- EACH
- CONNECTOR TYPE:
- THREADED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CIRCUIT BREAKER
$8.27Qty in Cart: 0Quantity:Price:$8.27Subtotal: -
NAMZ Speedometer and Instrument Extension Harness - 36" NSXH-CB36-A
NAMZ
$79.95Custom gauge clusters and relocated instrument panels are essential for purpose-built vehicles, but stock harnesses rarely accommodate your desired layout. The NAMZ Speedometer and Instrument Extension Harness gives you the flexibility to reposition your...21201161- SKU:
- 21201161
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- SPEEDOMETER AND INSTRUMENT EXTENSION HARNESS
- WIRE/CABLE LENGTH IMPERIAL:
- 36'
- RIDING STYLE:
- STREET
$79.95 -
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
$6.95 -
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 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
$18.95Qty in Cart: 0Quantity:Price:$18.95Subtotal: -
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
