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
-
NAMZ Quick Disconnect 16-14 Gauge Wire - Female NIS-19164-0050
NAMZ
$27.95Reliable wiring connections are fundamental to any electrical system, whether you're building a custom harness or repairing existing circuits. NAMZ Quick Disconnect connectors eliminate the need for...21200582- SKU:
- 21200582
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- CONNECTOR GENDER:
- FEMALE
- MATERIAL:
- PVC
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- CONNECTOR TYPE:
- CRIMP STYLE
- FEATURES:
- HEAT SHRINK
- TYPE:
- QUICK-DISCONNECT
- WIRE GAUGE:
- 16-14 AWG
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- WIRING CONNECTOR
$27.95 -
NAMZ Butt Splices 11-12 Gauge - 25PK NIS-19164-0056
NAMZ
$26.95When you're building or repairing electrical systems on your race car or custom build, every connection matters—poor wire splices lead to voltage drop, intermittent failures, and wasted...21200585- SKU:
- 21200585
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- WIRE GAUGE:
- 12-10 AWG
- FEATURES:
- HEAT SHRINK
- MATERIAL:
- NON-PVC
- PRODUCT NAME:
- WIRING CONNECTOR
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- STREET
- TYPE:
- BUTT SPLICE
- UNITS:
- 25 PACK
$26.95Qty in Cart: 0Quantity:Price:$26.95Subtotal: -
NAMZ Ring Terminals 22-18 Gauge - #10 NIS-19164-0003
NAMZ
$28.95Reliable electrical connections are the foundation of any well-engineered harness or custom wiring project. NAMZ Ring Terminals deliver consistent, secure connections without the guesswork—essential...21200589- SKU:
- 21200589
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- -
- CONNECTOR TYPE:
- #10
- CONNECTOR TYPE:
- RING TERMINAL
- CONNECTOR TYPE:
- CRIMP STYLE
- FEATURES:
- HEAT SHRINK
- MATERIAL:
- PVC
- RIDING STYLE:
- STREET
- TYPE:
- RING TERMINAL
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 22-18 AWG
- COLOR/FINISH:
- PINK
- PRODUCT NAME:
- WIRING CONNECTOR
$28.95 -
NAMZ Ring Terminals 16-14 Gauge - #10 NIS-19164-0034
NAMZ
$25.95Proper 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,...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 -
NAMZ Ring Terminals 16-14 Gauge - .25" NIS-19164-0026
NAMZ
$34.95Reliable 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...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 -
NAMZ Ignition Wiring Harness - Harley Davidson NHD-32435-01
NAMZ
$136.95A 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...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
$136.95Qty in Cart: 0Quantity:Price:$136.95Subtotal: -
NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-H02
NAMZ
$41.95Running 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...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'
$41.95Qty in Cart: 0Quantity:Price:$41.95Subtotal: -
NAMZ Amp Power Plug Kit NAP-PP01
NAMZ
$15.95If 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...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 -
NAMZ Starter Solenoid Connector NH-CN-1BSL
NAMZ
$6.95A 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...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 -
NAMZ 100' Wire Spool - 18 Gauge - Brown NWR-1-100
NAMZ
$32.95Whether 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...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 -
NAMZ Molex Mini Connector 72720-07 - 2 Pin Female - Black NM-31403-2100
NAMZ
$4.95If 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...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 -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X04
NAMZ
$38.95Upgrading 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,...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 -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X08
NAMZ
$41.95Installing 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...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 -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X12
NAMZ
$43.95Installing 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...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 -
NAMZ Adhesive Lined Heat Shrink - 3/16" NAHS-316
NAMZ
$29.95Electrical 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...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 -
NAMZ Replacement Plug Connectors 12-Position - NA-173851-2
NAMZ
$5.95If 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...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
$5.95 -
NAMZ AMP Mate-n-Lock Connector 72034-71 - 2 Pin Male NA-1-480319-0
NAMZ
$0.95Reliable 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...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 -
NAMZ AMP Mate-n-Lock Connector 72040-71 - 3 Pin Male NA-1-480305-0
NAMZ
$0.95Reliable 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...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 -
NAMZ 100' Wire Spool - 18 Gauge - Violet NWR-7-100
NAMZ
$32.95Whether 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...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 -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-X15
NAMZ
$46.95Installing 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...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
$46.95