Select Your Ride

1
2
3

Wiring Group

Wiring Group

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

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 Handlebar Wiring Extension - 15" - '07-'13 FL NHCX-MB15

    NAMZ Handlebar Wiring Extension - 15" - '07-'13 FL NHCX-MB15

    NAMZ

    $58.95
    Custom handlebar setups demand precision wiring that matches your OEM switches without compromise. This NAMZ extension kit eliminates guesswork by providing everything needed for a clean, reliable installation—pre-crimped terminals, color-matched wire,...
    21200224
    SKU:
    21200224
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    WIRE/CABLE LENGTH IMPERIAL:
    15'
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    $58.95
    Qty in Cart: 0
    Quantity:
    Price:
    $58.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 4" - '96-'06 FL NHCX-DB04

    NAMZ Handlebar Wiring Extension - 4" - '96-'06 FL NHCX-DB04

    NAMZ

    $46.95
    If you're extending your handlebar controls on a '96-'06 FL, factory wiring harnesses fall short—literally. This NAMZ extension kit delivers OEM-quality connections with pre-crimped Molex terminals, so you can relocate switches without compromising...
    21200225
    SKU:
    21200225
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    $46.95
    Qty in Cart: 0
    Quantity:
    Price:
    $46.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 8" - '96-'06 FL NHCX-DB08

    NAMZ Handlebar Wiring Extension - 8" - '96-'06 FL NHCX-DB08

    NAMZ

    $49.95
    Extended handlebar controls require properly extended wiring to reach OEM H-D switches without compromise. This NAMZ extension kit eliminates guesswork with pre-terminated Molex connectors and color-matched wire, letting you focus on routing and...
    21200226
    SKU:
    21200226
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    CONNECTOR TYPE:
    PIN
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 12" - '96-'06 FL NHCX-DB12

    NAMZ Handlebar Wiring Extension - 12" - '96-'06 FL NHCX-DB12

    NAMZ

    $51.95
    If you're running custom handlebars on your '96-'06 FL model, factory wiring harnesses fall short. This NAMZ extension kit delivers the extra length you need without compromising reliability or aesthetics. Pre-crimped Molex terminals and color-matched...
    21200227
    SKU:
    21200227
    Availability:
    Ships Same Business Day
    Weight:
    0.27 LBS
    CONNECTOR TYPE:
    PIN
    TYPE:
    HANDLEBAR
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    EXTENSION WIRING KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $51.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 15" - '96-'06 FL NHCX-DB15

    NAMZ Handlebar Wiring Extension - 15" - '96-'06 FL NHCX-DB15

    NAMZ

    $53.95
    If you're extending your handlebar controls on a '96-'06 Harley FL model, factory wiring won't reach. This NAMZ extension kit eliminates the guesswork with pre-crimped Molex terminals and color-matched wire, so you get a reliable connection without...
    21200228
    SKU:
    21200228
    Availability:
    Ships Same Business Day
    Weight:
    0.33 LBS
    CONNECTOR TYPE:
    PIN
    TYPE:
    HANDLEBAR
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    EXTENSION WIRING KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    WIRE/CABLE LENGTH IMPERIAL:
    15'
    Qty in Cart: 0
    Quantity:
    Price:
    $53.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 4" - '07-'13 H-D NHCX-M04

    NAMZ Handlebar Wiring Extension - 4" - '07-'13 H-D NHCX-M04

    NAMZ

    $32.95
    Custom handlebar switch installations demand reliable wiring harnesses that maintain OEM-quality connections without compromises. This NAMZ extension kit eliminates the guesswork of fabricating your own terminals and ensures a clean, professional fitment...
    21200229
    SKU:
    21200229
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    TYPE:
    HANDLEBAR
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    EXTENSION WIRING KIT
    UNITS:
    KIT
    CONNECTOR TYPE:
    PIN
    WIRE/CABLE LENGTH IMPERIAL:
    4'
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 8" - '07-'13 H-D NHCX-M08

    NAMZ Handlebar Wiring Extension - 8" - '07-'13 H-D NHCX-M08

    NAMZ

    $33.95
    Extending your handlebar controls shouldn't require custom fabrication or improvised wiring solutions. The NAMZ Handlebar Wiring Extension delivers a complete, factory-quality harness that maintains proper fitment and electrical integrity when you're...
    21200230
    SKU:
    21200230
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    UNITS:
    KIT
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 12" - '07-'13 H-D NHCX-M12

    NAMZ Handlebar Wiring Extension - 12" - '07-'13 H-D NHCX-M12

    NAMZ

    $34.95
    When you upgrade to aftermarket handlebars or reposition your controls on a Harley-Davidson, the factory wiring harness falls short. The NAMZ Handlebar Wiring Extension delivers a clean, professional solution that keeps your OEM switches functional...
    21200231
    SKU:
    21200231
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    CONNECTOR TYPE:
    PIN
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 15" - '07-'13 H-D NHCX-M15

    NAMZ Handlebar Wiring Extension - 15" - '07-'13 H-D NHCX-M15

    NAMZ

    $41.95
    Extending your handlebar controls shouldn't require splicing, soldering, or improvised connections. The NAMZ Handlebar Wiring Extension delivers a clean, OEM-quality solution that connects your factory H-D switches to custom or repositioned handlebars...
    21200232
    SKU:
    21200232
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    WIRE/CABLE LENGTH IMPERIAL:
    15'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 4" - '96-'06 NHCX-D04

    NAMZ Handlebar Wiring Extension - 4" - '96-'06 NHCX-D04

    NAMZ

    $32.95
    Extending handlebar controls on your Harley-Davidson shouldn't require custom fabrication or guesswork about wire gauges and terminal compatibility. The NAMZ 4" Handlebar Wiring Extension eliminates the frustration of undersized factory harnesses by...
    21200233
    SKU:
    21200233
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    WIRE/CABLE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 8" - '96-'06 NHCX-D08

    NAMZ Handlebar Wiring Extension - 8" - '96-'06 NHCX-D08

    NAMZ

    $33.95
    If you're upgrading to OEM Harley-Davidson handlebar controls or running custom bars on your '96-'06 model, you'll need properly extended wiring that maintains factory connector integrity and reliability. This NAMZ extension kit eliminates the...
    21200234
    SKU:
    21200234
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    PRODUCT NAME:
    EXTENSION WIRING KIT
    UNITS:
    KIT
    CONNECTOR TYPE:
    PIN
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    TYPE:
    HANDLEBAR
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    $33.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 12" - '96-'06 NHCX-D12

    NAMZ Handlebar Wiring Extension - 12" - '96-'06 NHCX-D12

    NAMZ

    $34.95
    Extending handlebar controls on a Harley-Davidson is one of the most common modifications, but improper wiring can lead to failed switches and safety issues. The NAMZ Handlebar Wiring Extension eliminates guesswork by providing a complete,...
    21200235
    SKU:
    21200235
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    EXTENSION WIRING KIT
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    TYPE:
    HANDLEBAR
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    CONNECTOR TYPE:
    PIN
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 15" - '96-'06 NHCX-D15

    NAMZ Handlebar Wiring Extension - 15" - '96-'06 NHCX-D15

    NAMZ

    $41.95
    If you're upgrading to aftermarket handlebars or relocating your controls, factory wiring harnesses fall short—they're too short and often incompatible. The NAMZ Handlebar Wiring Extension eliminates the guesswork by providing pre-terminated connectors...
    21200236
    SKU:
    21200236
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    EXTENSION WIRING KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    CONNECTOR TYPE:
    PIN
    TYPE:
    HANDLEBAR
    WIRE/CABLE LENGTH IMPERIAL:
    15'
    $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • NAMZ Replacement Plug Connectors 6-Position - 5PK 2120-0190 NAMZ Replacement Plug Connectors 6-Position - 5PK 2120-0190

    NAMZ Replacement Plug Connectors 6-Position - 5PK 2120-0190

    NAMZ

    $15.95
    If you're rebuilding a Harley-Davidson electrical harness or replacing failed connectors, OEM-spec replacements are non-negotiable—inferior connectors lead to intermittent grounds and voltage drops that cascade into hard-to-diagnose electrical gremlins...
    21200190
    SKU:
    21200190
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    COLOR/FINISH:
    BLACK
    CONNECTOR PIN COUNT:
    6 PINS
    RIDING STYLE:
    STREET
    CONNECTOR GENDER:
    MALE
    PRODUCT NAME:
    PLUG CONNECTOR
    CONNECTOR TYPE:
    AMP MULTI-LOCK
    UNITS:
    5 PACK
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • NAMZ Replacement Plug Connectors 8-Position - 5PK 2120-0191 NAMZ Replacement Plug Connectors 8-Position - 5PK 2120-0191

    NAMZ Replacement Plug Connectors 8-Position - 5PK 2120-0191

    NAMZ

    $15.95
    If you're rebuilding a Harley harness or replacing corroded connectors, OEM-spec replacements are non-negotiable—poor connections mean unreliable ignition, lighting, and sensor function. NAMZ 8-Position connectors are the factory standard that's been...
    21200191
    SKU:
    21200191
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR TYPE:
    AMP MULTI-LOCK
    UNITS:
    5 PACK
    CONNECTOR GENDER:
    MALE
    PRODUCT NAME:
    PLUG CONNECTOR
    COLOR/FINISH:
    BLACK
    CONNECTOR PIN COUNT:
    8 PINS
    RIDING STYLE:
    STREET
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • NAMZ Crimp Terminals -100PK NA-173645-1 NAMZ Crimp Terminals -100PK NA-173645-1

    NAMZ Crimp Terminals -100PK NA-173645-1

    NAMZ

    $32.95
    If you're building or repairing custom wiring harnesses on your Harley-Davidson, OEM-spec connectors are non-negotiable—and NAMZ Crimp Terminals give you the factory-original AMP Multi-Lock components trusted since 1996. This 100-pack eliminates multiple...
    21200192
    SKU:
    21200192
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    100 PACK
    CONNECTOR PIN COUNT:
    1 PIN
    CONNECTOR TYPE:
    AMP MULTI-LOCK
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CRIMP TERMINAL
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ Crimp Terminals -100PK NA-173631-1 NAMZ Crimp Terminals -100PK NA-173631-1

    NAMZ Crimp Terminals -100PK NA-173631-1

    NAMZ

    $32.95
    If you're rebuilding or customizing your Harley-Davidson's electrical harness, you need connectors that match OEM specifications and actually hold up to real-world conditions. NAMZ Crimp Terminals give you the exact AMP Multi-Lock connectors that Harley...
    21200193
    SKU:
    21200193
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    100 PACK
    PRODUCT NAME:
    CRIMP TERMINAL
    CONNECTOR GENDER:
    FEMALE
    CONNECTOR PIN COUNT:
    1 PIN
    CONNECTOR TYPE:
    AMP MULTI-LOCK
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ Delphi/AMP Builders Kit NDP-ABK

    NAMZ Delphi/AMP Builders Kit NDP-ABK

    NAMZ

    $315.95
    Custom 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 industry-standard connectors in a single package, eliminating...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $315.95
    Subtotal:
  • NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0212

    NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0212

    NAMZ

    $31.95
    Factory connectors degrade over time, leading to poor electrical connections, intermittent starting issues, and potential electrical fires in your harness. NAMZ replacement connectors restore reliable power distribution throughout your Harley's...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0214

    NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0214

    NAMZ

    $25.95
    OEM 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 quality components you need to keep your bike running...
    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
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER