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 Butt Splices 18-22 Gauge - 25PK NIS-19154-0004
NAMZ
$6.95A reliable electrical connection is the foundation of any properly functioning wiring harness, whether you're building a custom loom or repairing damaged circuits. NAMZ butt splices eliminate...21200568- SKU:
- 21200568
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- PINK
- MATERIAL:
- PVC
- TYPE:
- BUTT SPLICE
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- FEATURES:
- HEAT SHRINK
- WIRE GAUGE:
- 22-18 AWG
$6.95 -
NAMZ Butt Splices 14-16 Gauge - 25PK NIS-19154-0015
NAMZ
$7.95Clean, reliable electrical connections are foundational to any performance build—whether you're running a custom wiring harness in a race car or upgrading your shop's electrical infrastructure. NAMZ...21200569- SKU:
- 21200569
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- PVC
- FEATURES:
- HEAT SHRINK
- WIRE GAUGE:
- 16-14 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- TYPE:
- BUTT SPLICE
- UNITS:
- 25 PACK
$7.95 -
NAMZ Ring Terminals 18-22 Gauge - #8 NIS-19070-0044
NAMZ
$10.95Reliable electrical connections are the foundation of any clean, professional wiring harness—whether you're building a race car or restoring a street machine. NAMZ Ring Terminals deliver fully...21200573- SKU:
- 21200573
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- FEMALE
- MATERIAL:
- PVC
- TYPE:
- RING TERMINAL
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- CONNECTOR TYPE:
- RING TERMINAL
- STUD DIAMETER - THREAD SIZE:
- M4
- STUD DIAMETER - THREAD SIZE:
- #8
- WIRE GAUGE:
- 22-18 AWG
$10.95 -
NAMZ Ring Terminals 14-16 Gauge - #10 NIS-19070-0090
NAMZ
$6.95Reliable electrical connections are the foundation of any well-built wiring harness, and cheap terminals can lead to voltage drops, corrosion, and intermittent failures when you need your system most...21200577- SKU:
- 21200577
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRING CONNECTOR
- COLOR/FINISH:
- BLUE
- MATERIAL:
- PVC
- TYPE:
- RING TERMINAL
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 16-14 AWG
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- RING TERMINAL
- STUD DIAMETER - THREAD SIZE:
- #10
$6.95 -
NAMZ Quick Disconnect 22-18 Gauge Wire - Female NIS-19164-0017
NAMZ
$27.95Clean, reliable wiring connections are essential for any custom automotive electrical system—whether you're building a race harness or upgrading factory circuits. Quick disconnects eliminate the need...21200581- SKU:
- 21200581
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 22-18 AWG
- COLOR/FINISH:
- PINK
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR TYPE:
- CRIMP STYLE
- FEATURES:
- HEAT SHRINK
- MATERIAL:
- PVC
- TYPE:
- QUICK-DISCONNECT
$27.95 -
NAMZ Butt Splices 18-22 Gauge - 25PK NIS-19164-0013
NAMZ
$24.95Clean, reliable electrical connections are foundational to any performance build—whether you're running custom wiring through a race harness or integrating aftermarket electronics. NAMZ Butt Splices...21200583- SKU:
- 21200583
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 22-18 AWG
- COLOR/FINISH:
- PINK
- MATERIAL:
- NON-PVC
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- FEATURES:
- HEAT SHRINK
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- BUTT SPLICE
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
NAMZ Butt Splices 14-16 Gauge - 25PK NIS-19164-0044
NAMZ
$22.95Whether you're fabricating a custom wiring harness, extending circuits for auxiliary lighting, or restoring vintage electrical systems, reliable butt splices are non-negotiable. NAMZ butt splices...21200584- SKU:
- 21200584
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 16-14 AWG
- COLOR/FINISH:
- BLUE
- TYPE:
- BUTT SPLICE
- FEATURES:
- HEAT SHRINK
- PRODUCT NAME:
- WIRING CONNECTOR
- MATERIAL:
- NON-PVC
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
$22.95 -
NAMZ Ring Terminals 22-18 Gauge - .25" NIS-19164-0004
NAMZ
$33.95Reliable electrical connections are fundamental to any custom wiring harness, and quality terminals make the difference between a clean install and potential shorts down the road. NAMZ Ring Terminals...21200590- SKU:
- 21200590
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR TYPE:
- CRIMP STYLE
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 22-18 AWG
- COLOR/FINISH:
- PINK
- CONNECTOR TYPE:
- RING TERMINAL
- FEATURES:
- HEAT SHRINK
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR GENDER:
- -
- CONNECTOR TYPE:
- 1/4'
- MATERIAL:
- PVC
- TYPE:
- RING TERMINAL
$33.95 -
NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-H01
NAMZ
$41.95Adding accessories to your Tour-Pak® shouldn't mean permanently wiring them into your bike's electrical system. The NAMZ Quick Disconnect Wiring Harness eliminates the hassle of splicing and...21200596- SKU:
- 21200596
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- WIRING HARNESS
- UNITS:
- EACH
- TYPE:
- QUICK-DISCONNECT
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- AMP
- MODEL:
- TOUR PAK
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
$41.95 -
NAMZ Quick Disconnect Wiring Harness - Harley Davidson NTP-H03
NAMZ
$41.95If you regularly swap your Tour-Pak® between bikes or need to disconnect it for maintenance and storage, wrestling with permanently soldered connections wastes time and risks damaging wiring. This...21200600- SKU:
- 21200600
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- PRODUCT NAME:
- WIRING HARNESS
- TYPE:
- QUICK-DISCONNECT
- UNITS:
- EACH
- CONNECTOR TYPE:
- AMP
- MODEL:
- TOUR PAK
$41.95 -
NAMZ Auxiliary Lamp Wiring Harness NHD-68355-05
NAMZ
$10.95If you're running pre-2005 models but want the styling and functionality of modern auxiliary lighting, this harness eliminates the guesswork of custom wiring. The NAMZ Auxiliary Lamp Wiring Harness...21200604- SKU:
- 21200604
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRING HARNESS ADAPTER
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- SPADE
- RIDING STYLE:
- STREET
- TYPE:
- AUXILLARY
- UNITS:
- EACH
$10.95 -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-J08
NAMZ
$44.95Installing taller handlebars on your Harley shouldn't mean compromising throttle response or risking computer errors. The NAMZ Throttle-By-Wire Extension Harness maintains full electrical integrity...21200837- SKU:
- 21200837
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRE HARNESS EXTENSION
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- WIRE/CABLE LENGTH IMPERIAL:
- 8'
- CONNECTOR TYPE:
- MOLEX
- CONNECTOR TYPE:
- PIN
- TYPE:
- THROTTLE-BY-WIRE
$44.95 -
NAMZ Shrink Tubing 3/16"ID - 25FT NHSR-25316
NAMZ
$29.95Clean wiring harnesses are the mark of a professional build, and protecting your cables from abrasion, UV exposure, and corrosive elements is non-negotiable in high-performance applications. This...21200502- SKU:
- 21200502
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- DIAMETER METRIC:
- 4.8 MM
- PRODUCT NAME:
- SHRINK TUBING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$29.95 -
NAMZ Shrink Tubing 1/4"ID - 25FT NHSR-25014
NAMZ
$29.95Clean wiring and cable runs aren't just about aesthetics—they're about protection and longevity. NAMZ Shrink Tubing shields your electrical harnesses and brake lines from abrasion, UV exposure, and...21200503- SKU:
- 21200503
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SHRINK TUBING
- RIDING STYLE:
- WATERCRAFT
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- DIAMETER METRIC:
- 6.4 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$29.95 -
NAMZ Fuses - ATO - 15 Amp - 5 Pack NF-ATO-15
NAMZ
$4.95Electrical reliability is non-negotiable in high-performance applications where power delivery directly impacts ignition timing, fuel injection, and accessory performance. NAMZ fuses provide...21300087- SKU:
- 21300087
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FUSE
- TYPE:
- ATO
- UNITS:
- 5 PACK
- AMPS:
- 15 A
- RIDING STYLE:
- STREET
$4.95 -
NAMZ Circuit Breaker 15A - Dual-Spade Style NCB-MR15
NAMZ
$16.95A reliable circuit breaker is essential for protecting your electrical system from catastrophic failures during high-performance operation. The NAMZ Circuit Breaker 15A delivers dependable...21300092- SKU:
- 21300092
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- CONNECTOR TYPE:
- DUAL-SPADE
- TYPE:
- SPADE
- AMPS:
- 15 A
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CIRCUIT BREAKER
$16.95 -
NAMZ Circuit Breaker 20A - Two-Stud Style NCB-3001
NAMZ
$8.95A reliable circuit breaker is the backbone of any well-protected electrical system—without one, you're risking catastrophic damage to your wiring harness, components, and battery. The NAMZ Circuit...21300096- SKU:
- 21300096
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- AMPS:
- 30 A
- UNITS:
- EACH
- PRODUCT NAME:
- CIRCUIT BREAKER
- CONNECTOR TYPE:
- THREADED
- RIDING STYLE:
- STREET
- TYPE:
- TWO-STUD
$8.95 -
NAMZ 100' Wire Spool - 18 Gauge - Black NWR-0-100
NAMZ
$32.95Whether you're building a custom harness, rewiring a project car, or running new circuits through your race setup, having quality wire on hand is non-negotiable. NAMZ 18-gauge wire gives you a...21200506- SKU:
- 21200506
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE STRIPE COLOR:
- BLACK
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- MATERIAL:
- COPPER
- WIRE GAUGE:
- 18 AWG
- UNITS:
- EACH
$32.95 -
NAMZ 100' Wire Spool - 18 Gauge - Black/Red NWR-02-100
NAMZ
$32.95Whether you're running a professional shop or tackling custom wiring in your garage, reliable wire stock is non-negotiable. This 100-foot spool of 18-gauge wire eliminates the frustration of piecing...21200507- SKU:
- 21200507
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- RIDING STYLE:
- STREET
- WIRE STRIPE COLOR:
- RED
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- WIRE GAUGE:
- 18 AWG
- MATERIAL:
- COPPER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
$32.95 -
NAMZ 100' Wire Spool - 18 Gauge - Red NWR-2-100
NAMZ
$32.95Whether you're rewiring a custom harness, replacing corroded circuits, or building out electrical systems in your shop, having a reliable spool of quality wire eliminates supply-chain delays and...21200508- SKU:
- 21200508
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE STRIPE COLOR:
- RED
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- MATERIAL:
- PVC
- MATERIAL:
- COPPER
- UNITS:
- EACH
- WIRE GAUGE:
- 18 AWG
$32.95
