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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
  • NAMZ Ring Terminals 16-14 Gauge - #10 NIS-19164-0034

    NAMZ Ring Terminals 16-14 Gauge - #10 NIS-19164-0034

    NAMZ

    $25.95
    Proper wiring connections are foundational to any reliable electrical system, whether you're building a custom harness or completing routine maintenance. NAMZ Ring Terminals provide a secure, insulated connection that eliminates the risk of corrosion and...
    21200592
    SKU:
    21200592
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR TYPE:
    CRIMP STYLE
    WIRE GAUGE:
    16-14 AWG
    COLOR/FINISH:
    GREEN
    CONNECTOR TYPE:
    #10
    CONNECTOR TYPE:
    RING TERMINAL
    FEATURES:
    HEAT SHRINK
    MATERIAL:
    PVC
    PRODUCT NAME:
    WIRING CONNECTOR
    CONNECTOR GENDER:
    -
    RIDING STYLE:
    STREET
    TYPE:
    RING TERMINAL
    UNITS:
    25 PACK
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • NAMZ Ring Terminals 16-14 Gauge - .25" NIS-19164-0026

    NAMZ Ring Terminals 16-14 Gauge - .25" NIS-19164-0026

    NAMZ

    $34.95
    Reliable electrical connections are foundational to any performance build—whether you're wiring a custom harness or upgrading your ignition system. NAMZ Ring Terminals eliminate connection failures and corrosion issues that plague poorly terminated...
    21200593
    SKU:
    21200593
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    CONNECTOR TYPE:
    CRIMP STYLE
    CONNECTOR TYPE:
    RING TERMINAL
    WIRE GAUGE:
    16-14 AWG
    CONNECTOR GENDER:
    -
    PRODUCT NAME:
    WIRING CONNECTOR
    RIDING STYLE:
    STREET
    UNITS:
    25 PACK
    CONNECTOR TYPE:
    1/4'
    FEATURES:
    HEAT SHRINK
    MATERIAL:
    PVC
    TYPE:
    RING TERMINAL
    COLOR/FINISH:
    GREEN
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • NAMZ Ignition Wiring Harness - Harley Davidson NHD-32435-01

    NAMZ Ignition Wiring Harness - Harley Davidson NHD-32435-01

    NAMZ

    $136.95
    A reliable ignition wiring harness is the backbone of consistent engine performance and cold-start reliability. Factory OEM harnesses degrade over time, leading to misfires, rough idling, and starting issues that compromise your ride's dependability. The...
    21200595
    SKU:
    21200595
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    PRODUCT NAME:
    WIRING HARNESS
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    WIRE STRIPE COLOR:
    BLACK
    TYPE:
    IGNITION
    Qty in Cart: 0
    Quantity:
    Price:
    $136.95
    Subtotal:
  • NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-H02 NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-H02

    NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-H02

    NAMZ

    $41.95
    Running auxiliary equipment on your Tour-Pak® shouldn't mean permanent wiring modifications or the hassle of cutting into your harness. The NAMZ Quick Disconnect Wiring Harness eliminates that problem by providing a clean, purpose-built connection that...
    21200598
    SKU:
    21200598
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    WIRING HARNESS
    UNITS:
    EACH
    CONNECTOR TYPE:
    AMP
    MODEL:
    TOUR PAK
    TYPE:
    QUICK-DISCONNECT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • NAMZ Amp Power Plug Kit NAP-PP01

    NAMZ Amp Power Plug Kit NAP-PP01

    NAMZ

    $15.95
    If you're running a power amp in your saddlebags, weatherproofing your electrical connections isn't optional—it's essential. The NAMZ Amp Power Plug Kit eliminates corrosion and connection failures by providing a sealed, quick-disconnect solution that...
    21200602
    SKU:
    21200602
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    CONNECTOR PIN COUNT:
    3 PINS
    CONNECTOR TYPE:
    AMP
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    WIRE GAUGE:
    10 AWG
    FEATURES:
    INCLUDES TERMINAL ENDS AND WIRE SEALS
    PRODUCT NAME:
    CONNECTOR KIT
    TYPE:
    AMP
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • NAMZ Starter Solenoid Connector NH-CN-1BSL

    NAMZ Starter Solenoid Connector NH-CN-1BSL

    NAMZ

    $6.95
    A reliable starter solenoid connection is critical to consistent engine start reliability. This NAMZ connector eliminates corroded, loose, or damaged factory connections that can cause intermittent starting issues or complete no-start conditions. Direct,...
    21200603
    SKU:
    21200603
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    COPPER
    PRODUCT NAME:
    WIRING CONNECTOR
    RIDING STYLE:
    STREET
    CONNECTOR GENDER:
    FEMALE
    CONNECTOR TYPE:
    SPADE
    UNITS:
    KIT
    CONNECTOR PIN COUNT:
    1 PIN
    $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Brown NWR-1-100

    NAMZ 100' Wire Spool - 18 Gauge - Brown NWR-1-100

    NAMZ

    $32.95
    Whether you're rewiring a custom harness, restoring a classic, or building a race loom from scratch, having quality wire on hand eliminates sourcing delays and ensures consistency across your electrical work. This 100-foot spool of 18-gauge wire gives...
    21200615
    SKU:
    21200615
    Availability:
    Ships Same Business Day
    Weight:
    0.96 LBS
    PRODUCT NAME:
    BULK WIRE
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    100'
    COLOR/FINISH:
    BROWN
    WIRE GAUGE:
    18 AWG
    WIRE STRIPE COLOR:
    BROWN
    MATERIAL:
    COPPER
    UNITS:
    EACH
    MATERIAL:
    PVC
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • NAMZ Molex Mini Connector 72720-07 - 2 Pin Female - Black NM-31403-2100

    NAMZ Molex Mini Connector 72720-07 - 2 Pin Female - Black NM-31403-2100

    NAMZ

    $4.95
    If you're building a custom wiring harness or replacing a damaged connector in your race vehicle, you need a connector that matches OEM reliability without compromise. The NAMZ Molex Mini Connector delivers secure, repeatable connections in a compact...
    21200617
    SKU:
    21200617
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    BLACK
    CONNECTOR GENDER:
    FEMALE
    PRODUCT NAME:
    WIRING CONNECTOR
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    CONNECTOR TYPE:
    MOLEX
    CONNECTOR PIN COUNT:
    2 PINS
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X04

    NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X04

    NAMZ

    $38.95
    Upgrading to taller handlebars shouldn't mean rewiring your entire bike or risking computer interference. The NAMZ Throttle-By-Wire Extension Harness solves this problem with a straightforward, plug-and-play solution that maintains full throttle response...
    21200244
    SKU:
    21200244
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR TYPE:
    MOLEX
    PRODUCT NAME:
    WIRE HARNESS EXTENSION
    CONNECTOR TYPE:
    PIN
    WIRE/CABLE LENGTH IMPERIAL:
    4'
    TYPE:
    THROTTLE-BY-WIRE
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $38.95
    Qty in Cart: 0
    Quantity:
    Price:
    $38.95
    Subtotal:
  • NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X08

    NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X08

    NAMZ

    $41.95
    Installing taller handlebars on your Harley shouldn't mean compromising throttle responsiveness or risking computer errors. The NAMZ Throttle-By-Wire Extension Harness solves this problem by safely extending your OEM wiring to accommodate your new setup...
    21200245
    SKU:
    21200245
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    CONNECTOR TYPE:
    MOLEX
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WIRE HARNESS EXTENSION
    RIDING STYLE:
    STREET
    TYPE:
    THROTTLE-BY-WIRE
    UNITS:
    KIT
    CONNECTOR TYPE:
    PIN
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    $41.95
    Qty in Cart: 0
    Quantity:
    Price:
    $41.95
    Subtotal:
  • NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X12

    NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X12

    NAMZ

    $43.95
    Installing taller handlebars shouldn't force you to compromise on throttle cable routing or risk ECU communication errors. The NAMZ Throttle-By-Wire Extension Harness eliminates the guesswork by extending your OEM wiring harness without introducing...
    21200246
    SKU:
    21200246
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    CONNECTOR TYPE:
    MOLEX
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    WIRE HARNESS EXTENSION
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    TYPE:
    THROTTLE-BY-WIRE
    $43.95
    Qty in Cart: 0
    Quantity:
    Price:
    $43.95
    Subtotal:
  • NAMZ Adhesive Lined Heat Shrink - 3/16" NAHS-316

    NAMZ Adhesive Lined Heat Shrink - 3/16" NAHS-316

    NAMZ

    $29.95
    Electrical connections exposed to moisture will fail—and failure during a race or on the road costs time and money. NAMZ Adhesive Lined Heat Shrink seals splices and terminals with a waterproof barrier, eliminating corrosion and connection loss where it...
    21200912
    SKU:
    21200912
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    DIAMETER METRIC:
    4.8 MM
    PRODUCT NAME:
    SHRINK TUBING
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • NAMZ Replacement Plug Connectors 12-Position - NA-173851-2

    NAMZ Replacement Plug Connectors 12-Position - NA-173851-2

    NAMZ

    $5.95
    If you're rebuilding a Harley-Davidson electrical harness or repairing factory connectors, you need connectors that match OEM specifications exactly. This NAMZ 12-position pack gives you the genuine AMP Multi-Lock connectors that have been the factory...
    21200637
    SKU:
    21200637
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    PLUG CONNECTOR
    CONNECTOR PIN COUNT:
    12 PINS
    CONNECTOR TYPE:
    AMP MULTI-LOCK
    COLOR/FINISH:
    BLACK
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • NAMZ AMP Mate-n-Lock Connector 72034-71 - 2 Pin Male NA-1-480319-0

    NAMZ AMP Mate-n-Lock Connector 72034-71 - 2 Pin Male NA-1-480319-0

    NAMZ

    $0.95
    Reliable electrical connections are non-negotiable in high-performance applications where vibration and thermal cycling constantly challenge your wiring integrity. The NAMZ AMP Mate-n-Lock Connector 72034-71 delivers OEM-grade construction with...
    21200418
    SKU:
    21200418
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR PIN COUNT:
    2 PINS
    CONNECTOR TYPE:
    AMP MATE-N-LOK
    PRODUCT NAME:
    WIRING CONNECTOR
    UNITS:
    EACH
    COLOR/FINISH:
    WHITE
    TYPE:
    AMP
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    $0.95
    Qty in Cart: 0
    Quantity:
    Price:
    $0.95
    Subtotal:
  • NAMZ AMP Mate-n-Lock Connector 72040-71 - 3 Pin Male NA-1-480305-0

    NAMZ AMP Mate-n-Lock Connector 72040-71 - 3 Pin Male NA-1-480305-0

    NAMZ

    $0.95
    Reliable electrical connections are non-negotiable in high-performance applications where vibration, heat, and precision tolerances demand flawless signal integrity. The NAMZ AMP Mate-n-Lock Connector delivers OEM-quality construction that eliminates the...
    21200419
    SKU:
    21200419
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    WHITE
    CONNECTOR PIN COUNT:
    3 PINS
    PRODUCT NAME:
    WIRING CONNECTOR
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    AMP
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    CONNECTOR TYPE:
    AMP MATE-N-LOK
    $0.95
    Qty in Cart: 0
    Quantity:
    Price:
    $0.95
    Subtotal:
  • NAMZ 100' Wire Spool - 18 Gauge - Violet NWR-7-100

    NAMZ 100' Wire Spool - 18 Gauge - Violet NWR-7-100

    NAMZ

    $32.95
    Whether you're running a professional shop or tackling custom wiring on your project car, having quality wire on hand is non-negotiable. NAMZ 100' spools deliver consistent gauge and insulation without the waste of bulk purchases, letting you stock...
    21200614
    SKU:
    21200614
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    MATERIAL:
    COPPER
    UNITS:
    EACH
    COLOR/FINISH:
    VIOLET
    WIRE GAUGE:
    18 AWG
    WIRE STRIPE COLOR:
    VIOLET
    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 Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X15

    NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X15

    NAMZ

    $46.95
    Installing taller handlebars shouldn't mean compromising your bike's throttle-by-wire system or risking computer interference. The NAMZ Throttle-By-Wire Extension Harness extends your factory wiring to accommodate custom handlebar heights while...
    21200247
    SKU:
    21200247
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    CONNECTOR TYPE:
    MOLEX
    CONNECTOR TYPE:
    PIN
    PRODUCT NAME:
    WIRE HARNESS EXTENSION
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    15'
    COLOR/FINISH:
    BLACK
    TYPE:
    THROTTLE-BY-WIRE
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $46.95
    Subtotal:
  • NAMZ Deutsch Stamped Sockets STAMP-SOCKETS

    NAMZ Deutsch Stamped Sockets STAMP-SOCKETS

    NAMZ

    $59.95
    When you're building custom wiring harnesses or maintaining electrical connections in high-vibration environments, factory-grade connectors are non-negotiable. NAMZ Deutsch Stamped Sockets deliver the same reliability found on OEM harnesses, eliminating...
    21200038
    SKU:
    21200038
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    CONNECTOR PIN COUNT:
    1 PIN
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    CONNECTOR PIN
    TYPE:
    OPEN
    UNITS:
    100 PACK
    CONNECTOR TYPE:
    DEUTSCH DT SERIES
    CONNECTOR GENDER:
    FEMALE
    $59.95
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • NAMZ AMP Mate-n-Lock Connector 72041-71 - 6 Pin Female NA-1-480270-0

    NAMZ AMP Mate-n-Lock Connector 72041-71 - 6 Pin Female NA-1-480270-0

    NAMZ

    $1.95
    If you're running a custom wiring harness or replacing corroded connectors on your build, a reliable 6-pin connector is non-negotiable—especially one that maintains OEM-grade contact integrity under sustained load and vibration. The NAMZ AMP Mate-n-Lock...
    21200413
    SKU:
    21200413
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR PIN COUNT:
    6 PINS
    CONNECTOR TYPE:
    AMP MATE-N-LOK
    TYPE:
    AMP
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    CONNECTOR GENDER:
    FEMALE
    COLOR/FINISH:
    WHITE
    PRODUCT NAME:
    WIRING CONNECTOR
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $1.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1.95
    Subtotal:
  • NAMZ Replacement Plug Connectors 2-Position - 5PK 2120-0187

    NAMZ Replacement Plug Connectors 2-Position - 5PK 2120-0187

    NAMZ

    $9.95
    If you're rebuilding your Harley's wiring harness or replacing corroded factory connectors, you need connectors that match OEM specifications exactly. This NAMZ 5-pack gives you the full range of AMP Multi-Lock connectors—the same connectors...
    21200187
    SKU:
    21200187
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    CONNECTOR TYPE:
    AMP MULTI-LOCK
    COLOR/FINISH:
    BLACK
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    CONNECTOR PIN COUNT:
    2 PINS
    PRODUCT NAME:
    CAP CONNECTOR
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    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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