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
-
NAMZ Delphi/AMP Builders Kit NDP-ABK
NAMZ
$315.95Custom harness builds demand reliable connectors that match OEM specifications without compromising durability or performance. The NAMZ Delphi/AMP Builders Kit gives you four complete sets of...21200209- SKU:
- 21200209
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- CONNECTOR PIN COUNT:
- -
- TYPE:
- DELPHI
- COLOR/FINISH:
- CLEAR
- CONNECTOR TYPE:
- AMP
- PRODUCT NAME:
- CONNECTOR KIT
- RIDING STYLE:
- STREET
- UNITS:
- SET
$315.95 -
NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0212
NAMZ
$31.95Factory connectors degrade over time, leading to poor electrical connections, intermittent starting issues, and potential electrical fires in your harness. NAMZ replacement connectors restore...21200212- SKU:
- 21200212
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- DELPHI
- COLOR/FINISH:
- BLACK
- CONNECTOR PIN COUNT:
- 4 PINS
- CONNECTOR TYPE:
- DELPHI
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- 5 PACK
$31.95 -
NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0214
NAMZ
$34.95OEM connector failures can leave you stranded or forced into expensive dealer repairs. NAMZ replacement connectors restore reliable electrical continuity for Harley Davidson harnesses, giving you the...21200214- SKU:
- 21200214
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- CONNECTOR TYPE:
- DELPHI
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- COLOR/FINISH:
- GRAY
- CONNECTOR PIN COUNT:
- 2 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- DELPHI
$34.95 -
NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0215
NAMZ
$23.30Electrical connectors are a critical weak point in any wiring harness—corrosion, poor contact, and connector failure can leave you stranded or cause intermittent gremlins that are nearly impossible...21200215- SKU:
- 21200215
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- DELPHI
- UNITS:
- 5 PACK
- CONNECTOR PIN COUNT:
- 2 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- DELPHI
- RIDING STYLE:
- STREET
$23.30Qty in Cart: 0Quantity:Price:$23.30Subtotal: -
NAMZ Handlebar Wiring Extension - 4" - '07-'13 FL NHCX-MB04
NAMZ
$51.95Extending handlebar wiring on modern Harley-Davidsons requires precision crimping and proper terminal matching—two things that separate a clean install from electrical gremlins down the road. The...21200221- SKU:
- 21200221
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- EXTENSION WIRING KIT
- UNITS:
- KIT
- CONNECTOR TYPE:
- PIN
- WIRE/CABLE LENGTH IMPERIAL:
- 4'
- TYPE:
- HANDLEBAR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$51.95 -
NAMZ Hot Box Wiring Harness - Ironhorse NAIH-RPH10
NAMZ
$215.95If you're running an American Ironhorse and need reliable engine management without the complexity of custom tuning, the NAMZ Hot Box Wiring Harness eliminates compatibility headaches while keeping...21200356- SKU:
- 21200356
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- WIRING HARNESS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$215.95Qty in Cart: 0Quantity:Price:$215.95Subtotal: -
NAMZ Mini Connector - 2-Wire - Female NJST-02R
NAMZ
$2.95Reliable electrical connections are non-negotiable in high-performance applications where vibration, moisture, and thermal cycling constantly test your wiring integrity. The NAMZ Mini Connector...21200357- SKU:
- 21200357
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR PIN COUNT:
- 2 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- QUICK-DISCONNECT
- UNITS:
- EACH
- WIRE GAUGE:
- 22 AWG
- CONNECTOR TYPE:
- JST MINI
- RIDING STYLE:
- STREET
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
- CONNECTOR GENDER:
- FEMALE
$2.95 -
NAMZ Mini Connector - 4-Wire - Female NJST-04R
NAMZ
$2.95If you're building custom wiring harnesses or integrating aftermarket electronics into your race vehicle, you need connectors that won't fail mid-event. The NAMZ Mini Connector delivers a compact,...21200359- SKU:
- 21200359
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR PIN COUNT:
- 4 PINS
- CONNECTOR TYPE:
- JST MINI
- UNITS:
- EACH
- TYPE:
- QUICK-DISCONNECT
- WIRE GAUGE:
- 22 AWG
$2.95 -
NAMZ Mini Connector - 8-Wire - Female NJST-08R
NAMZ
$3.95If you're building a custom wiring harness or integrating aftermarket electronics into your race car, you need connectors that won't fail under vibration, heat, or moisture. The NAMZ Mini Connector...21200360- SKU:
- 21200360
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- FEMALE
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTOR PIN COUNT:
- 8 PINS
- CONNECTOR TYPE:
- JST MINI
- TYPE:
- QUICK-DISCONNECT
- WIRE GAUGE:
- 22 AWG
$3.95 -
NAMZ Mini Connector - 4-Wire - Male NJST-04P
NAMZ
$4.95If you're building custom wiring harnesses or integrating aftermarket electronics into your race vehicle, you need connectors that won't fail under vibration, moisture, or sustained amperage. The...21200363- SKU:
- 21200363
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- MALE
- RIDING STYLE:
- STREET
- CONNECTOR TYPE:
- JST MINI
- TYPE:
- QUICK-DISCONNECT
- WIRE GAUGE:
- 22 AWG
- CONNECTOR PIN COUNT:
- 4 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
$4.95 -
NAMZ Mini Connector - 8-Wire - Male NJST-08P
NAMZ
$5.95If you're building a custom wiring harness or integrating aftermarket electronics into your race car, you need connectors that won't fail at 7,000 RPM. The NAMZ Mini Connector combines compact form...21200364- SKU:
- 21200364
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- MALE
- RIDING STYLE:
- STREET
- AMPS:
- 5 A
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- QUICK-DISCONNECT
- UNITS:
- EACH
- WIRE GAUGE:
- 22 AWG
- CONNECTOR PIN COUNT:
- 8 PINS
- CONNECTOR TYPE:
- JST MINI
$5.95 -
NAMZ Crimp Terminal - Stamped Female NJST-RTERM
NAMZ
$15.95Reliable electrical connections are non-negotiable in high-performance builds—corrosion, loose terminals, and moisture intrusion can cascade into catastrophic failures on the track or trail. The NAMZ...21200365- SKU:
- 21200365
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- CONNECTOR GENDER:
- FEMALE
- PRODUCT NAME:
- CRIMP TERMINAL
- RIDING STYLE:
- STREET
- UNITS:
- 100 PACK
$15.95 -
NAMZ Crimp Terminal - Stamped Male NJST-PTERM
NAMZ
$15.95If you're building a custom wiring harness or upgrading your vehicle's electrical system, you need connectors that won't fail under vibration, moisture, or heat. NAMZ crimp terminals deliver the...21200366- SKU:
- 21200366
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- CONNECTOR GENDER:
- MALE
- PRODUCT NAME:
- CRIMP TERMINAL
- RIDING STYLE:
- STREET
- UNITS:
- 100 PACK
$15.95 -
NAMZ Handlebar Wiring Extension - 4" - CAN Bus NHCX-J04
NAMZ
$34.95Custom handlebar wiring often requires extending factory harnesses to accommodate aftermarket switches or repositioned controls. The NAMZ 4" CAN Bus extension eliminates guesswork by providing a...21200367- SKU:
- 21200367
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- CONNECTOR TYPE:
- CAN BUS
- PRODUCT NAME:
- EXTENSION WIRING KIT
- UNITS:
- KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 4'
- TYPE:
- HANDLEBAR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$34.95 -
NAMZ Handlebar Wiring Extension - 12" - CAN Bus NHCX-J12
NAMZ
$37.95Custom handlebar switch installations demand clean, reliable wiring that maintains OEM functionality without compromise. This NAMZ extension kit eliminates the guesswork by providing pre-crimped...21200369- SKU:
- 21200369
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- CAN BUS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- EXTENSION WIRING KIT
- TYPE:
- HANDLEBAR
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
$37.95 -
NAMZ Black Wire Cover 1/8" - 25FT - Universal NBFS-2501
NAMZ
$9.95Cable management isn't just about aesthetics—it's about protecting your wiring harness from abrasion, heat, and environmental damage that can compromise electrical reliability. NAMZ Black Wire Cover...21200371- SKU:
- 21200371
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- DIAMETER METRIC:
- 3.2 MM
- UNITS:
- EACH
- PRODUCT NAME:
- WIRE COVER
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$9.95 -
NAMZ Black Wire Cover 1/4" - 25FT - Universal NBFS-2502
NAMZ
$16.95A clean, professional wiring harness is essential for any custom build or restoration project—whether you're managing engine bay organization or routing cables through tight spaces. NAMZ Black Wire...21200372- SKU:
- 21200372
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- DIAMETER METRIC:
- 6.4 MM
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- PRODUCT NAME:
- WIRE COVER
- UNITS:
- EACH
$16.95 -
NAMZ Black Wire Cover 3/8" - 25FT - Universal NBFS-2503
NAMZ
$19.95Manage wiring visibility and protection across your custom build or restoration project with NAMZ Black Wire Cover. This 25-foot roll provides a clean, professional appearance while safeguarding...21200373- SKU:
- 21200373
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- DIAMETER METRIC:
- 9.5 MM
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$19.95 -
NAMZ Black Wire Cover 1/2" - 25FT - Universal NBFS-2504
NAMZ
$24.95Cable management isn't just about aesthetics—it's about protecting your wiring harness from abrasion, heat, and environmental damage that can lead to costly electrical failures. NAMZ Black Wire Cover...21200374- SKU:
- 21200374
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- DIAMETER METRIC:
- 12.7 MM
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE COVER
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- UNITS:
- EACH
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
NAMZ Black Wire Cover 3/4" - 25FT - Universal NBFS-2505
NAMZ
$29.95A clean, professional wiring harness is essential for any custom or restoration project—exposed wires invite corrosion, electromagnetic interference, and safety hazards. NAMZ Black Wire Cover offers...21200375- SKU:
- 21200375
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- PRODUCT NAME:
- WIRE COVER
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- DIAMETER METRIC:
- 19.1 MM
$29.95
