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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
  • ULTRACOOL M8 Multiple Accessory Connector SMB-Y128

    ULTRACOOL M8 Multiple Accessory Connector SMB-Y128

    ULTRACOOL

    $34.95
    Clean power distribution is fundamental to reliable auxiliary system operation in high-performance builds. The ULTRACOOL M8 Multiple Accessory Connector eliminates the complexity of custom wiring harnesses by consolidating battery, ignition, and ground...
    21200991
    SKU:
    21200991
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TYPE:
    CONNECTOR
    PRODUCT NAME:
    MULTIPLE ACCESSORY CONNECTOR
    UNITS:
    EACH
    FOR MAKE:
    HARLEY DAVIDSON
    POWER CONNECTION TYPE:
    CONNECTING HARNESS
    RIDING STYLE:
    STREET
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • STANDARD MOTOR PRODUCTS Circuit Breaker 40A - Two-Stud Style MC-CBR7

    STANDARD MOTOR PRODUCTS Circuit Breaker 40A - Two-Stud Style MC-CBR7

    STANDARD MOTOR PRODUCTS

    $7.95
    A reliable circuit breaker is the backbone of any high-performance electrical system—it protects your wiring harness and components from catastrophic failure during demanding track sessions or heavy-duty operation. The STANDARD MOTOR PRODUCTS MC-CBR7...
    21300061
    SKU:
    21300061
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    AMPS:
    40 A
    PRODUCT NAME:
    CIRCUIT BREAKER
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    RIDING STYLE:
    SNOW
    VOLTS:
    12 V
    CONNECTOR TYPE:
    THREADED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $7.95
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • STANDARD MOTOR PRODUCTS Circuit Breaker 50A - Two-Stud Style MC-CBR1

    STANDARD MOTOR PRODUCTS Circuit Breaker 50A - Two-Stud Style MC-CBR1

    STANDARD MOTOR PRODUCTS

    $11.95
    A reliable circuit breaker is the backbone of any high-performance electrical system, protecting your wiring harness and components from catastrophic failure during demanding track sessions or spirited driving. The STANDARD MOTOR PRODUCTS MC-CBR1...
    21300062
    SKU:
    21300062
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    AMPS:
    50 A
    PRODUCT NAME:
    CIRCUIT BREAKER
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    CONNECTOR TYPE:
    THREADED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    SNOW
    VOLTS:
    12 V
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • NAMZ Molex MX 150 Connector - 3 Pin Female - Gray NM-33471-0302

    NAMZ Molex MX 150 Connector - 3 Pin Female - Gray NM-33471-0302

    NAMZ

    $4.95
    Reliable electrical connections are the foundation of any well-built harness, and moisture intrusion is the silent killer of performance systems. The NAMZ Molex MX 150 3-pin female connector delivers the watertight integrity and compact footprint your...
    21200338
    SKU:
    21200338
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    GRAY
    CONNECTOR PIN COUNT:
    3 PINS
    PRODUCT NAME:
    WIRING CONNECTOR
    RIDING STYLE:
    STREET
    TYPE:
    SINGLE ROW
    UNITS:
    EACH
    CONNECTOR GENDER:
    FEMALE
    CONNECTOR TYPE:
    MOLEX MX-150
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Orange/Black NWR-30-100

    NAMZ 100' Wire Spool - 18 Gauge - Orange/Black NWR-30-100

    NAMZ

    $32.95
    Whether you're rewiring a custom harness, running new circuits for auxiliary equipment, or tackling electrical repairs in the shop, having quality wire on hand is essential to getting the job done right. NAMZ 100' spools deliver the reliability and...
    21200517
    SKU:
    21200517
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    WIRE GAUGE:
    18 AWG
    COLOR/FINISH:
    ORANGE
    MATERIAL:
    COPPER
    PRODUCT NAME:
    BULK WIRE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    WIRE STRIPE COLOR:
    BLACK
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    MATERIAL:
    PVC
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Orange/White NWR-39-100

    NAMZ 100' Wire Spool - 18 Gauge - Orange/White NWR-39-100

    NAMZ

    $32.95
    Whether you're building a custom harness, repairing corroded connections, or wiring a complete electrical system from scratch, having quality wire on hand is non-negotiable. NAMZ 100' Wire Spool delivers American-made reliability in a convenient bulk...
    21200518
    SKU:
    21200518
    Availability:
    Ships Same Business Day
    Weight:
    0.96 LBS
    WIRE GAUGE:
    18 AWG
    MATERIAL:
    PVC
    WIRE STRIPE COLOR:
    WHITE
    COLOR/FINISH:
    ORANGE
    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 - Pink/White NWR-109-100

    NAMZ 100' Wire Spool - 18 Gauge - Pink/White NWR-109-100

    NAMZ

    $32.95
    Whether you're rewiring a harness, running auxiliary circuits, or tackling custom electrical work, quality wire is non-negotiable for reliable performance and safety. This 100-foot spool of 18-gauge wire gives you the length to complete most projects...
    21200519
    SKU:
    21200519
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    MATERIAL:
    COPPER
    UNITS:
    EACH
    COLOR/FINISH:
    PINK
    WIRE GAUGE:
    18 AWG
    WIRE STRIPE COLOR:
    WHITE
    PRODUCT NAME:
    BULK WIRE
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    MATERIAL:
    PVC
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Red/Blue NWR-26-100

    NAMZ 100' Wire Spool - 18 Gauge - Red/Blue NWR-26-100

    NAMZ

    $32.95
    Whether you're wiring a custom harness, rebuilding an engine bay, or tackling electrical repairs, having quality wire on hand eliminates trips back to the supplier mid-project. NAMZ 18-gauge wire delivers the reliability you need for low-voltage...
    21200520
    SKU:
    21200520
    Availability:
    Ships Same Business Day
    Weight:
    0.97 LBS
    WIRE GAUGE:
    18 AWG
    COLOR/FINISH:
    RED
    MATERIAL:
    COPPER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    MATERIAL:
    PVC
    PRODUCT NAME:
    BULK WIRE
    WIRE STRIPE COLOR:
    BLUE
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ Handlebar Extension Harness - Indian NHCX-1S18

    NAMZ Handlebar Extension Harness - Indian NHCX-1S18

    NAMZ

    $99.95
    If you're running taller aftermarket handlebars on your Indian motorcycle, you'll need properly extended wiring to maintain clean routing and avoid strain on connectors. The NAMZ Handlebar Extension Harness eliminates the guesswork by providing OEM-spec...
    21201057
    SKU:
    21201057
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    HANDLEBAR WIRING HARNESS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    EXTENSION
    UNITS:
    KIT
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • NAMZ Delphi ECM 36 Pin Connector Kit OE/2078-00 NHD-72078-00

    NAMZ Delphi ECM 36 Pin Connector Kit OE/2078-00 NHD-72078-00

    NAMZ

    $68.95
    If you're rebuilding a Delphi ECM harness or replacing a damaged connector, the NAMZ OE/2078-00 ensures a factory-correct connection with zero compromise on electrical integrity. This 36-pin connector maintains OEM specifications, eliminating guesswork...
    21200855
    SKU:
    21200855
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    GRAY
    CONNECTOR GENDER:
    MALE
    PRODUCT NAME:
    CONNECTOR KIT
    CONNECTOR TYPE:
    ECM CONNECTOR
    UNITS:
    KIT
    CONNECTOR PIN COUNT:
    36 PINS
    RIDING STYLE:
    STREET
    $68.95
    Qty in Cart: 0
    Quantity:
    Price:
    $68.95
    Subtotal:
  • NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-CB01

    NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-CB01

    NAMZ

    $46.95
    If you're running accessories on your Tour-Pak®—whether that's heated gear, auxiliary lighting, or a sound system—you need reliable power without permanent wiring modifications. The NAMZ Quick Disconnect Harness eliminates the hassle of splicing into...
    21200820
    SKU:
    21200820
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    WIRING HARNESS
    UNITS:
    EACH
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    COLOR/FINISH:
    BLACK
    TYPE:
    QUICK-DISCONNECT
    CONNECTOR TYPE:
    AMP
    MODEL:
    TOUR PAK
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $46.95
    Subtotal:
  • NAMZ Connector with Wire Pigtail - Delphi PT-12129142-B

    NAMZ Connector with Wire Pigtail - Delphi PT-12129142-B

    NAMZ

    $12.95
    Reliable electrical connections are fundamental to consistent engine performance and diagnostics. This NAMZ Delphi connector eliminates guesswork with factory-matched wire colors and OEM-style construction, ensuring your wiring integrates seamlessly with...
    21200821
    SKU:
    21200821
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    UNITS:
    EACH
    CONNECTOR TYPE:
    DELPHI
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WIRE HARNESS
    CONNECTOR PIN COUNT:
    2 PINS
    TYPE:
    FUEL INJECTOR
    WIRE/CABLE LENGTH IMPERIAL:
    18'
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • STANDARD MOTOR PRODUCTS Circuit Breaker 40A - Stud/Dual-Spade Style MC-CBR6

    STANDARD MOTOR PRODUCTS Circuit Breaker 40A - Stud/Dual-Spade Style MC-CBR6

    STANDARD MOTOR PRODUCTS

    $6.95
    A reliable circuit breaker is foundational to any high-performance electrical system—without proper overcurrent protection, you risk catastrophic damage to your wiring harness, components, and engine bay. The STANDARD MOTOR PRODUCTS 40A Circuit Breaker...
    21300066
    SKU:
    21300066
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR TYPE:
    DUAL-SPADE
    CONNECTOR TYPE:
    THREADED
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    CIRCUIT BREAKER
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    AMPS:
    40 A
    VOLTS:
    12 V
    $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • NAMZ Rear Fender Harness Adapter NFHA-01

    NAMZ Rear Fender Harness Adapter NFHA-01

    NAMZ

    $20.95
    Upgrading to late-model fender fascia requires proper electrical integration, and the NAMZ Rear Fender Harness Adapter NFHA-01 eliminates guesswork with a direct plug-and-play connection to your OEM harness. This adapter eliminates the need for custom...
    21201058
    SKU:
    21201058
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FOR MAKE:
    HARLEY DAVIDSON
    PRODUCT NAME:
    WIRE HARNESS ADAPTER
    RIDING STYLE:
    STREET
    TYPE:
    REAR FENDER
    UNITS:
    EACH
    $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • NAMZ Rear Fender Harness Adapter NFHA-02

    NAMZ Rear Fender Harness Adapter NFHA-02

    NAMZ

    $20.95
    Modernizing your bike's wiring to accommodate late-model fender fascia can quickly turn into a frustrating compatibility nightmare. The NAMZ Rear Fender Harness Adapter NFHA-02 eliminates that hassle with a direct plug-and-play connection to your OEM...
    21201059
    SKU:
    21201059
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    TYPE:
    REAR FENDER
    PRODUCT NAME:
    WIRE HARNESS ADAPTER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    FOR MAKE:
    HARLEY DAVIDSON
    $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • NAMZ Replacement Rear Fender Harness NRFH-01

    NAMZ Replacement Rear Fender Harness NRFH-01

    NAMZ

    $41.95
    A damaged or corroded rear fender harness compromises both electrical reliability and safety on your bike. The NAMZ Replacement Rear Fender Harness NRFH-01 restores factory-correct wiring with OEM color-coded connectors, eliminating guesswork during...
    21201060
    SKU:
    21201060
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR TYPE:
    MOLEX
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    FENDER
    RIDING STYLE:
    STREET
    FOR MAKE:
    HARLEY DAVIDSON
    UNITS:
    EACH
    $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • NAMZ Replacement Rear Fender Harness NRFH-02

    NAMZ Replacement Rear Fender Harness NRFH-02

    NAMZ

    $41.95
    OEM wiring harnesses degrade over time, causing intermittent electrical gremlins and potential safety issues. The NAMZ Replacement Rear Fender Harness restores factory reliability with a direct OEM-spec replacement that installs in minutes. If you're...
    21201061
    SKU:
    21201061
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    FOR MAKE:
    HARLEY DAVIDSON
    RIDING STYLE:
    STREET
    CONNECTOR TYPE:
    MOLEX
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    FENDER
    UNITS:
    EACH
    $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • PERFORMANCE TOOL Heat Shrink Tubing - 120 PC W5233

    PERFORMANCE TOOL Heat Shrink Tubing - 120 PC W5233

    PERFORMANCE TOOL

    $8.52
    Proper wire management and protection are non-negotiable in any performance build, whether you're harness-building for a race car or protecting critical electrical connections from heat and abrasion. This 120-piece assorted heat shrink tubing kit...
    24020145
    SKU:
    24020145
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    WIRE KIT
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    HEAT SHRINK
    UNITS:
    KIT
    $8.52
    Qty in Cart: 0
    Quantity:
    Price:
    $8.52
    Subtotal:
  • PERFORMANCE TOOL Heat Shrink Tubing - Heavy Duty W541

    PERFORMANCE TOOL Heat Shrink Tubing - Heavy Duty W541

    PERFORMANCE TOOL

    $36.72
    Reliable electrical connections are non-negotiable in high-performance applications—corrosion and moisture are your enemies. This 106-piece assortment of PERFORMANCE TOOL heat shrink tubing gives you the coverage to seal and protect every wire joint in...
    24020146
    SKU:
    24020146
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    COLOR/FINISH:
    CLEAR
    PRODUCT NAME:
    WIRE KIT
    TYPE:
    HEAT SHRINK
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $36.72
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 12" - '07-'13 FL NHCX-MB12

    NAMZ Handlebar Wiring Extension - 12" - '07-'13 FL NHCX-MB12

    NAMZ

    $56.95
    When you're extending handlebar controls on your '07-'13 FL, factory wiring harnesses fall short—literally. The NAMZ 12" extension eliminates the guesswork with pre-terminated Molex connectors and color-matched wire, so you can route switches exactly...
    21200223
    SKU:
    21200223
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    UNITS:
    KIT
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    EXTENSION WIRING KIT
    TYPE:
    HANDLEBAR
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $56.95
    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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