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Harley Wiring Group

Harley Wiring Group

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

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 100' Wire Spool - 18 Gauge - White NWR-9-100

    NAMZ 100' Wire Spool - 18 Gauge - White NWR-9-100

    NAMZ

    $32.95
    Quality wiring is the foundation of any reliable electrical system, whether you're building a custom harness, restoring a classic, or troubleshooting an existing installation. This 100-foot spool of 18-gauge wire gives you the flexibility to handle...
    21200522
    SKU:
    21200522
    Availability:
    Ships Same Business Day
    Weight:
    0.96 LBS
    COLOR/FINISH:
    WHITE
    MATERIAL:
    PVC
    WIRE STRIPE COLOR:
    WHITE
    WIRE GAUGE:
    18 AWG
    MATERIAL:
    COPPER
    PRODUCT NAME:
    BULK WIRE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Yellow NWR-4-100

    NAMZ 100' Wire Spool - 18 Gauge - Yellow NWR-4-100

    NAMZ

    $32.95
    Clean, reliable wiring is the foundation of any quality electrical installation—whether you're building a custom harness, rewiring a classic, or upgrading a modern platform. NAMZ 18-gauge wire offers the right balance of current capacity and flexibility...
    21200527
    SKU:
    21200527
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    COLOR/FINISH:
    YELLOW
    MATERIAL:
    PVC
    PRODUCT NAME:
    BULK WIRE
    RIDING STYLE:
    STREET
    WIRE STRIPE COLOR:
    YELLOW
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    UNITS:
    EACH
    MATERIAL:
    COPPER
    WIRE GAUGE:
    18 AWG
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Yellow/Black NWR-40-100

    NAMZ 100' Wire Spool - 18 Gauge - Yellow/Black NWR-40-100

    NAMZ

    $32.95
    Building a custom harness or rewiring your project car demands reliable wire that won't compromise your electrical system's integrity. NAMZ's 18-gauge wire spool gives you the flexibility to tackle multiple jobs without cutting corners or running short...
    21200528
    SKU:
    21200528
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    COLOR/FINISH:
    YELLOW
    MATERIAL:
    PVC
    PRODUCT NAME:
    BULK WIRE
    WIRE GAUGE:
    18 AWG
    MATERIAL:
    COPPER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    WIRE STRIPE COLOR:
    BLACK
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Red/Yellow NWR-24-100

    NAMZ 100' Wire Spool - 18 Gauge - Red/Yellow NWR-24-100

    NAMZ

    $32.95
    Whether you're running a professional shop or tackling custom wiring in your garage, reliable wire stock is non-negotiable. NAMZ 100' spools give you the flexibility to handle multiple projects without constantly reordering, and 18-gauge wire covers the...
    21200612
    SKU:
    21200612
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    UNITS:
    EACH
    WIRE GAUGE:
    18 AWG
    COLOR/FINISH:
    RED
    MATERIAL:
    COPPER
    MATERIAL:
    PVC
    PRODUCT NAME:
    BULK WIRE
    RIDING STYLE:
    STREET
    WIRE STRIPE COLOR:
    YELLOW
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ Deutsch Plug - 6 Pin - Gray DP-6G NAMZ Deutsch Plug - 6 Pin - Gray DP-6G

    NAMZ Deutsch Plug - 6 Pin - Gray DP-6G

    NAMZ

    $8.95
    Quality connector reliability directly impacts your electrical system's performance and longevity. These NAMZ Deutsch plugs give you OEM-grade components at a fraction of replacement costs, whether you're repairing factory harnesses or building custom...
    21200057
    SKU:
    21200057
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    CONNECTOR TYPE:
    DEUTSCH DT SERIES
    PRODUCT NAME:
    WIRING CONNECTOR
    UNITS:
    EACH
    COLOR/FINISH:
    GRAY
    TYPE:
    WITH CLIP
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    CONNECTOR PIN COUNT:
    6 PINS
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • NAMZ Deutsch Plug - 6 Pin - Black DP-6B NAMZ Deutsch Plug - 6 Pin - Black DP-6B

    NAMZ Deutsch Plug - 6 Pin - Black DP-6B

    NAMZ

    $8.95
    When you're building or rebuilding a wiring harness, connector integrity is non-negotiable—a corroded or loose connection can cascade into electrical gremlins that waste hours of troubleshooting. The NAMZ Deutsch Plug DP-6B gives you OEM-grade...
    21200058
    SKU:
    21200058
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    PRODUCT NAME:
    WIRING CONNECTOR
    UNITS:
    EACH
    CONNECTOR PIN COUNT:
    6 PINS
    COLOR/FINISH:
    BLACK
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    CONNECTOR TYPE:
    DEUTSCH DT SERIES
    TYPE:
    WITH CLIP
    $8.95
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • NAMZ Deutsch Crimp Pins SOLID-PINS

    NAMZ Deutsch Crimp Pins SOLID-PINS

    NAMZ

    $78.95
    Building reliable wiring harnesses demands quality connectors that won't fail under demanding conditions. NAMZ Deutsch Crimp Pins deliver OEM-grade reliability at a fraction of the cost, with factory-spec construction that eliminates weak points in your...
    21200071
    SKU:
    21200071
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    CONNECTOR GENDER:
    MALE
    CONNECTOR PIN COUNT:
    1 PIN
    PRODUCT NAME:
    CONNECTOR PIN
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    SILVER
    TYPE:
    CRIMP STYLE
    CONNECTOR TYPE:
    DEUTSCH DT SERIES
    UNITS:
    100 PACK
    $78.95
    Qty in Cart: 0
    Quantity:
    Price:
    $78.95
    Subtotal:
  • NAMZ Deutsch Crimp Sockets SOLID-SOCKETS

    NAMZ Deutsch Crimp Sockets SOLID-SOCKETS

    NAMZ

    $99.95
    Building or repairing custom wiring harnesses demands connectors you can trust to perform reliably in harsh engine bay conditions. NAMZ Deutsch Crimp Sockets deliver OEM-grade quality with the durability and corrosion resistance your electrical system...
    21200072
    SKU:
    21200072
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    CONNECTOR PIN COUNT:
    1 PIN
    RIDING STYLE:
    STREET
    CONNECTOR GENDER:
    FEMALE
    CONNECTOR TYPE:
    DEUTSCH DT SERIES
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    CONNECTOR PIN
    TYPE:
    CRIMP STYLE
    UNITS:
    100 PACK
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • NAMZ Starter Relay - Socket/Terminal Kit NSRS-K01

    NAMZ Starter Relay - Socket/Terminal Kit NSRS-K01

    NAMZ

    $3.95
    A reliable starter relay is foundational to any build—electrical gremlins cost time and money on the track or in the shop. The NAMZ Starter Relay Socket/Terminal Kit delivers OEM-quality construction without the guesswork, giving you a proven five-wire...
    21200682
    SKU:
    21200682
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    CONNECTOR TYPE:
    SPADE
    PRODUCT NAME:
    STARTER RELAY
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    $3.95
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
  • NAMZ Connector with Wire Pigtail - Delphi PT-12129946-B

    NAMZ Connector with Wire Pigtail - Delphi PT-12129946-B

    NAMZ

    $15.95
    Custom wiring harnesses demand connectors that match OEM specifications without compromise. This NAMZ Delphi connector eliminates guesswork by providing factory-correct fitment and color-matched leads for Harley-Davidson applications. Whether you're...
    21200822
    SKU:
    21200822
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    CONNECTOR TYPE:
    DELPHI
    TYPE:
    MAP SENSOR
    COLOR/FINISH:
    GRAY
    CONNECTOR PIN COUNT:
    3 PINS
    PRODUCT NAME:
    WIRE HARNESS
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • NAMZ Connector with Wire Pigtail - Delphi PT-13532244

    NAMZ Connector with Wire Pigtail - Delphi PT-13532244

    NAMZ

    $14.95
    When you're rebuilding or customizing your Harley-Davidson's electrical system, OEM connector quality directly impacts reliability and prevents future wiring failures. This NAMZ Delphi connector eliminates guesswork with factory-matched wire colors and...
    21200827
    SKU:
    21200827
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    PRODUCT NAME:
    WIRE HARNESS
    COLOR/FINISH:
    BLACK
    CONNECTOR PIN COUNT:
    3 PINS
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    UNITS:
    EACH
    CONNECTOR TYPE:
    DELPHI
    RIDING STYLE:
    STREET
    TYPE:
    THROTTLE POSITION SENSOR
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • NAMZ Connector with Wire Pigtail - Delphi PT-15354716-B

    NAMZ Connector with Wire Pigtail - Delphi PT-15354716-B

    NAMZ

    $13.95
    Reliable electrical connections are non-negotiable in high-performance builds, and factory-style connectors eliminate guesswork during installation. This NAMZ Delphi connector features OEM-matched wire colors and an 18-inch pigtail, allowing you to...
    21200830
    SKU:
    21200830
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    FUEL PUMP
    TYPE:
    IGNITION
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    CONNECTOR PIN COUNT:
    4 PINS
    CONNECTOR TYPE:
    DELPHI
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    IDLE SPEED SENSOR
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • NAMZ Heated Grips - Wire Extension - Harley Davidson NHGX-HD18

    NAMZ Heated Grips - Wire Extension - Harley Davidson NHGX-HD18

    NAMZ

    $18.95
    Cold-weather riding doesn't have to mean numb hands and compromised control. NAMZ heated grips keep your hands warm and your grip secure, letting you extend your riding season well into winter months. With the ability to cut and splice to your exact...
    21200917
    SKU:
    21200917
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CABLE KIT
    TYPE:
    EXTENSION
    UNITS:
    KIT
    WIRE GAUGE:
    16 AWG
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • NAMZ Complete Bike Harness Kit NCBH-01-A

    NAMZ Complete Bike Harness Kit NCBH-01-A

    NAMZ

    $314.95
    A complete bike harness is the backbone of any reliable electrical system—whether you're starting from scratch on a project bike or modernizing an OEM model. The NAMZ Complete Bike Harness Kit eliminates guesswork with pre-assembled circuits, proper...
    21200769
    SKU:
    21200769
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    PRODUCT NAME:
    WIRING HARNESS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    TYPE:
    COMPLETE
    Qty in Cart: 0
    Quantity:
    Price:
    $314.95
    Subtotal:
  • NAMZ Handlebar Switch - Wire - Extensions NHCX-UDN

    NAMZ Handlebar Switch - Wire - Extensions NHCX-UDN

    NAMZ

    $42.95
    If you're running taller handlebars on your bike, factory wiring harnesses fall short—literally. The NAMZ Handlebar Switch Wire Extensions solve this problem with a complete, OEM-matched solution that lets you extend your controls without compromising...
    21200496
    SKU:
    21200496
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    WIRE HARNESS EXTENSION KIT
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    TYPE:
    HANDLEBAR
    UNITS:
    EACH
    WIRE/CABLE LENGTH IMPERIAL:
    24'
    CONNECTOR TYPE:
    PIN
    $42.95
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • NAMZ Front Turn Signal Extension -  +4" NTSX-CB04

    NAMZ Front Turn Signal Extension - +4" NTSX-CB04

    NAMZ

    $36.95
    When you upgrade to taller handlebars, your stock front turn signal wires fall short—literally. The NAMZ Front Turn Signal Extension adds 4 inches of harness length, eliminating the need for custom fabrication or jury-rigged solutions. This plug-and-play...
    21200851
    SKU:
    21200851
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    WIRE HARNESS EXTENSION
    RIDING STYLE:
    STREET
    TYPE:
    FRONT TURN SIGNAL
    WIRE/CABLE LENGTH IMPERIAL:
    4'
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    $36.95
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • NAMZ Connector with Wire Pigtail - OEM-Type PT-12162182-B

    NAMZ Connector with Wire Pigtail - OEM-Type PT-12162182-B

    NAMZ

    $13.95
    Wiring harness failures can leave you stranded or worse—compromise your bike's electrical reliability when you need it most. This OEM-style connector eliminates guesswork during repairs or custom builds by matching Harley-Davidson factory colors and...
    21200823
    SKU:
    21200823
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    CONNECTOR TYPE:
    DELPHI
    RIDING STYLE:
    STREET
    TYPE:
    THROTTLE POSITION SENSOR
    COLOR/FINISH:
    BLACK
    UNITS:
    EACH
    CONNECTOR PIN COUNT:
    2 PINS
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    PRODUCT NAME:
    WIRE HARNESS
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • NAMZ Connector with Wire Pigtail - OEM-Type PT-12162215-B

    NAMZ Connector with Wire Pigtail - OEM-Type PT-12162215-B

    NAMZ

    $12.95
    Factory-correct connector replacements eliminate guesswork when rebuilding or repairing your Harley electrical system. This OEM-style Delphi connector comes pre-terminated with 18" wire pigtails in Harley-Davidson factory colors, so you can drop it...
    21200826
    SKU:
    21200826
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    TYPE:
    INTAKE AIR TEMPERATURE SENSOR
    CONNECTOR TYPE:
    DELPHI
    PRODUCT NAME:
    WIRE HARNESS
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    CONNECTOR PIN COUNT:
    2 PINS
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 15" - CAN Bus NHCX-J15

    NAMZ Handlebar Wiring Extension - 15" - CAN Bus NHCX-J15

    NAMZ

    $39.95
    Custom handlebar setups demand proper electrical integration, and jury-rigging wiring creates reliability issues on the road or track. The NAMZ Handlebar Wiring Extension eliminates guesswork by providing a complete, pre-terminated solution that connects...
    21200370
    SKU:
    21200370
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    COLOR/FINISH:
    BLACK
    CONNECTOR TYPE:
    CAN BUS
    PRODUCT NAME:
    EXTENSION WIRING KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    TYPE:
    HANDLEBAR
    WIRE/CABLE LENGTH IMPERIAL:
    15'
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • NAMZ Connector with Wire Pigtail - Delphi PT-15419715

    NAMZ Connector with Wire Pigtail - Delphi PT-15419715

    NAMZ

    $8.95
    Reliable electrical connections are the foundation of any dependable motorcycle wiring harness. This NAMZ connector eliminates guesswork with OEM-style Delphi construction and factory-matched wire colors, letting you complete custom builds or repairs...
    21200831
    SKU:
    21200831
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    GRAY
    CONNECTOR PIN COUNT:
    2 PINS
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    FUEL INJECTOR
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    UNITS:
    EACH
    CONNECTOR TYPE:
    DELPHI
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    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

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