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
-
ULTRACOOL 4-Pin Dual Accessory Connector RFB-Y126
ULTRACOOL
$19.95Adding high-demand electrical accessories like an oil cooler demands proper power distribution to avoid taxing your bike's charging system. The ULTRACOOL 4-Pin Dual Accessory Connector RFB-Y126 solves this with dual 12 VDC and ground feeds—ensuring...21200988- SKU:
- 21200988
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- PLUG CONNECTOR
- RIDING STYLE:
- STREET
- TYPE:
- CONNECTOR
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- POWER CONNECTION TYPE:
- CONNECTING HARNESS
$19.95 -
ULTRACOOL 6-Pin Multiple Accessory Connector SMB-Y129
ULTRACOOL
$19.95A properly configured electrical connector is the foundation of any reliable wiring harness, especially in high-performance applications where voltage drops and loose connections can compromise ignition timing, accessory function, and overall system...21200989- SKU:
- 21200989
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- MULTIPLE ACCESSORY CONNECTOR
- TYPE:
- CONNECTOR
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- POWER CONNECTION TYPE:
- CONNECTING HARNESS
- RIDING STYLE:
- STREET
$19.95 -
ULTRACOOL 8-Pin Multiple Accessory Connector RFB-Y130
ULTRACOOL
$26.95If you're building a custom wiring harness or integrating aftermarket accessories into your race vehicle, you need a connector solution that delivers reliable power distribution without improvisation. The ULTRACOOL RFB-Y130 bridges your factory Molex P&A...21200990- SKU:
- 21200990
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- MULTIPLE ACCESSORY CONNECTOR
- UNITS:
- EACH
- TYPE:
- CONNECTOR
- POWER CONNECTION TYPE:
- CONNECTING HARNESS
- RIDING STYLE:
- STREET
$26.95 -
ULTRACOOL M8 Multiple Accessory Connector SMB-Y128
ULTRACOOL
$34.95Clean 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 -
STANDARD MOTOR PRODUCTS Circuit Breaker 40A - Two-Stud Style MC-CBR7
STANDARD MOTOR PRODUCTS
$7.95A 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 -
STANDARD MOTOR PRODUCTS Circuit Breaker 50A - Two-Stud Style MC-CBR1
STANDARD MOTOR PRODUCTS
$11.95A 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
$11.95 -
NAMZ Molex MX 150 Connector - 3 Pin Female - Gray NM-33471-0302
NAMZ
$4.95Reliable 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 -
NAMZ 100' Wire Spool - 18 Gauge - Orange/Black NWR-30-100
NAMZ
$32.95Whether 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 -
NAMZ 100' Wire Spool - 18 Gauge - Orange/White NWR-39-100
NAMZ
$32.95Whether 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 -
NAMZ 100' Wire Spool - 18 Gauge - Pink/White NWR-109-100
NAMZ
$32.95Whether 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 -
NAMZ 100' Wire Spool - 18 Gauge - Red/Blue NWR-26-100
NAMZ
$32.95Whether 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 -
NAMZ Handlebar Extension Harness - Indian NHCX-1S18
NAMZ
$99.95If 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
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
NAMZ Delphi ECM 36 Pin Connector Kit OE/2078-00 NHD-72078-00
NAMZ
$68.95If 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 -
NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-CB01
NAMZ
$46.95If 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
$46.95 -
NAMZ Connector with Wire Pigtail - Delphi PT-12129142-B
NAMZ
$12.95Reliable 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'
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
STANDARD MOTOR PRODUCTS Circuit Breaker 40A - Stud/Dual-Spade Style MC-CBR6
STANDARD MOTOR PRODUCTS
$6.95A 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 -
NAMZ Rear Fender Harness Adapter NFHA-01
NAMZ
$20.95Upgrading 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 -
NAMZ Rear Fender Harness Adapter NFHA-02
NAMZ
$20.95Modernizing 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 -
NAMZ Replacement Rear Fender Harness NRFH-01
NAMZ
$41.95A 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 -
NAMZ Replacement Rear Fender Harness NRFH-02
NAMZ
$41.95OEM 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
