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...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...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...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...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...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
$7.95Qty in Cart: 0Quantity:Price:$7.95Subtotal: -
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...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...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...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...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...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...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...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...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...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...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 -
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...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...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
$20.95Qty in Cart: 0Quantity:Price:$20.95Subtotal: -
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...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...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...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
