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 Replacement Plug Connectors 4-Position - 5PK 2120-0189
NAMZ
$15.95Factory electrical connectors degrade over time, causing intermittent electrical gremlins that are notoriously difficult to diagnose. The NAMZ Replacement Plug Connectors 4-Position pack delivers...21200189- SKU:
- 21200189
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR TYPE:
- AMP MULTI-LOCK
- UNITS:
- 5 PACK
- COLOR/FINISH:
- BLACK
- CONNECTOR GENDER:
- MALE
- CONNECTOR PIN COUNT:
- 4 PINS
- PRODUCT NAME:
- PLUG CONNECTOR
- RIDING STYLE:
- STREET
$15.95 -
NAMZ Replacement AMP Connectors - Harley Davidson 2120-0210
NAMZ
$41.95Electrical gremlins in your Harley's wiring harness don't just compromise reliability—they can strand you miles from help. NAMZ Replacement AMP Connectors restore factory-spec connections with...21200210- SKU:
- 21200210
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- DELPHI
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- AMP
- CONNECTOR PIN COUNT:
- 2 PINS
- UNITS:
- 5 PACK
$41.95 -
NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0216
NAMZ
$41.95Wiring harness integrity is critical on any Harley—a failing connector means electrical gremlins, performance loss, or worse, a roadside breakdown. NAMZ Replacement Delphi Connectors are OEM-spec...21200216- SKU:
- 21200216
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- DELPHI
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- CONNECTOR PIN COUNT:
- 3 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- DELPHI
$41.95 -
NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0217
NAMZ
$52.95Electrical connections are critical in any high-performance motorcycle build, and factory connectors often fail under demanding conditions or custom wiring scenarios. NAMZ Replacement Delphi...21200217- SKU:
- 21200217
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- CONNECTOR TYPE:
- DELPHI
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- COLOR/FINISH:
- GRAY
- TYPE:
- DELPHI
- CONNECTOR PIN COUNT:
- 3 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal: -
NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0218
NAMZ
$46.95Electrical connectors are critical junction points in your Harley's wiring harness—corrosion, poor contact, or damaged terminals can cause intermittent shorts, dead gauges, or complete electrical...21200218- SKU:
- 21200218
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- 5 PACK
- CONNECTOR PIN COUNT:
- 2 PINS
- TYPE:
- DELPHI
- CONNECTOR TYPE:
- DELPHI
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
$46.95 -
NAMZ ATC-Style Fuse Holer - 4-Way NFB-01
NAMZ
$17.95A reliable fuse holder is critical infrastructure for any custom wiring harness or auxiliary electrical system. The NAMZ ATC-Style 4-Way Fuse Holder gives you circuit protection and clean power...21200220- SKU:
- 21200220
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- AMPS:
- 50 A
- COLOR/FINISH:
- CLEAR
- CONNECTOR TYPE:
- SPADE
- CONNECTOR GENDER:
- MALE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTOR PIN COUNT:
- 8 PINS
- FEATURES:
- FUSED
- TYPE:
- ATC
- PRODUCT NAME:
- FUSE HOLDER
$17.95 -
NAMZ Handlebar Wiring Extension - 8" - '07-'13 FL NHCX-MB08
NAMZ
$54.95When you upgrade to aftermarket handlebars on your '07-'13 FL, the OEM wiring harness falls short—literally. The NAMZ Handlebar Wiring Extension bridges that gap with factory-quality connectors and...21200222- SKU:
- 21200222
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- EXTENSION WIRING KIT
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- HANDLEBAR
- CONNECTOR TYPE:
- PIN
- WIRE/CABLE LENGTH IMPERIAL:
- 8'
$54.95 -
NAMZ Fuse - Maxi - 40 Amp NF-MAX-40
NAMZ
$3.95A reliable fuse is the backbone of any high-performance electrical system, protecting your investment from catastrophic failure while maintaining consistent power delivery to critical components. The...21300082- SKU:
- 21300082
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- AMPS:
- 40 A
- UNITS:
- EACH
- PRODUCT NAME:
- FUSE
- RIDING STYLE:
- STREET
- TYPE:
- MAXI
$3.95 -
NAMZ Fuses - ATO - 1 Amp - 5 Pack NF-ATO-1
NAMZ
$4.95A reliable electrical system starts with proper protection, and NAMZ fuses are engineered to safeguard your circuits without compromising performance. Whether you're running aftermarket electronics,...21300083- SKU:
- 21300083
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- TYPE:
- ATO
- AMPS:
- 1 A
- PRODUCT NAME:
- FUSE
$4.95 -
NAMZ Fuses - ATO - 3 Amp - 5 Pack NF-ATO-3
NAMZ
$4.95Electrical system reliability is non-negotiable in high-performance applications. These NAMZ ATO fuses provide consistent circuit protection to prevent unexpected power loss during critical moments...21300084- SKU:
- 21300084
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- AMPS:
- 3 A
- TYPE:
- ATO
- PRODUCT NAME:
- FUSE
$4.95 -
NAMZ Fuses - ATO - 5 Amp - 5 Pack NF-ATO-5
NAMZ
$4.95Electrical system reliability is non-negotiable in high-performance applications—a single failed fuse can leave you stranded or cause catastrophic component damage. NAMZ Fuses deliver consistent,...21300085- SKU:
- 21300085
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- AMPS:
- 5 A
- PRODUCT NAME:
- FUSE
- RIDING STYLE:
- STREET
- TYPE:
- ATO
- UNITS:
- 5 PACK
$4.95 -
NAMZ Fuses - Mini - 2 Amp - 5 Pack NF-MIN-2
NAMZ
$6.95Reliable electrical protection is non-negotiable in any performance build. NAMZ Mini Fuses provide dependable circuit protection for auxiliary lighting, gauges, and low-draw accessories without the...21300088- SKU:
- 21300088
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- AMPS:
- 2 A
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FUSE
- TYPE:
- MINI
- UNITS:
- 5 PACK
$6.95 -
NAMZ Fuses - Mini - 5 Amp - 5 Pack NF-MIN-5
NAMZ
$6.95Electrical system reliability is non-negotiable in high-performance applications—a blown fuse at the wrong moment can sideline your vehicle and compromise safety. NAMZ Mini Fuses provide dependable...21300089- SKU:
- 21300089
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FUSE
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- AMPS:
- 5 A
- TYPE:
- MINI
$6.95 -
NAMZ Circuit Breaker 10A - Dual- Spade Style NCB-MR10
NAMZ
$16.95A reliable circuit breaker is the backbone of any well-engineered electrical system—protecting your wiring harness from catastrophic failures and nuisance trips that can sideline you at the track or...21300091- SKU:
- 21300091
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- AMPS:
- 10 A
- UNITS:
- EACH
- PRODUCT NAME:
- CIRCUIT BREAKER
- CONNECTOR TYPE:
- DUAL-SPADE
- TYPE:
- SPADE
- RIDING STYLE:
- STREET
$16.95Qty in Cart: 0Quantity:Price:$16.95Subtotal: -
NAMZ Circuit Breaker 20A - Dual-Spade Style NCB-MR20
NAMZ
$16.95A quality circuit breaker is your electrical system's first line of defense against catastrophic shorts and component damage. The NAMZ Circuit Breaker 20A provides reliable overcurrent protection for...21300093- SKU:
- 21300093
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- CIRCUIT BREAKER
- AMPS:
- 20 A
- CONNECTOR TYPE:
- DUAL-SPADE
- RIDING STYLE:
- STREET
- TYPE:
- SPADE
- UNITS:
- EACH
$16.95 -
NAMZ Circuit Breaker 10A - Two-Stud Style NCB-1001
NAMZ
$8.95A reliable circuit breaker is the foundation of any stable electrical system—protecting your wiring harness from catastrophic damage during high-demand racing conditions or complex custom builds. The...21300094- SKU:
- 21300094
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- CIRCUIT BREAKER
- CONNECTOR TYPE:
- THREADED
- RIDING STYLE:
- STREET
- TYPE:
- TWO-STUD
- AMPS:
- 10 A
- UNITS:
- EACH
$8.95Qty in Cart: 0Quantity:Price:$8.95Subtotal: -
NAMZ Deutsch Seal - 4 Position DP-4S
NAMZ
$4.95Deutsch connectors are industry standard in motorsports and off-road applications, but they're only as reliable as their seals. The NAMZ Deutsch Seal for 4-position DP-4S connectors prevents moisture...21201011- SKU:
- 21201011
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- CONNECTOR TYPE:
- DEUTSCH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
- CONNECTOR PIN COUNT:
- 4 PINS
- PRODUCT NAME:
- WIRING CONNECTOR SEAL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$4.95 -
NAMZ Deutsch Seal - 6 Position DP-6S
NAMZ
$4.95Deutsch connectors are the gold standard in motorsports wiring harnesses, and proper sealing is critical to prevent moisture intrusion and electrical failure in high-vibration environments. The NAMZ...21201012- SKU:
- 21201012
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- WATERCRAFT
- CONNECTOR PIN COUNT:
- 6 PINS
- PRODUCT NAME:
- WIRING CONNECTOR SEAL
- RIDING STYLE:
- OFF-ROAD
- CONNECTOR TYPE:
- DEUTSCH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
$4.95Qty in Cart: 0Quantity:Price:$4.95Subtotal: -
NAMZ Extruded Tubing - 1/4" X8' - Black NETR-014
NAMZ
$12.95Clean, professional wire management is foundational to any quality automotive build—whether you're restoring a classic or upgrading a modern performance machine. NAMZ Extruded Tubing offers the same...21201014- SKU:
- 21201014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- DIAMETER METRIC:
- 6 MM
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PVC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- WIRE GAUGE:
- -
- PRODUCT NAME:
- SLEEVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WIRING HARNESS
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 8'
$12.95 -
NAMZ Extruded Tubing - 5/16" X8' - Black NETR-516
NAMZ
$12.95Clean wire management isn't just about aesthetics—it's about reliability and longevity in your build. NAMZ Extruded Tubing gives you the same factory-grade protection for your harnesses, but with...21201015- SKU:
- 21201015
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- PVC
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- WIRE GAUGE:
- -
- DIAMETER METRIC:
- 7.9 MM
- PRODUCT NAME:
- SLEEVE
- RIDING STYLE:
- ATV
- TYPE:
- WIRING HARNESS
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 8'
$12.95
