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
-
On Sale
LA CHOPPERS Handle Bar Extension Wiring Kit - Harley Davidson LA-8990-01
LA CHOPPERS
MSRP: $52.99Now: $48.00Was: $52.99LA CHOPPERS Handle Bar Extension Wiring Kit - Harley Davidson LA-8990-01 streamlines handlebar wiring and saves installation time. The kit contains all materials needed to extend wires for hand controls and uses OEM color-matched wiring. It does not...21200383- SKU:
- 21200383
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- KIT
- FEATURES:
- HEAT SHRINK
- PRODUCT NAME:
- WIRING HARNESS
- FEATURES:
- INCLUDES TERMINAL ENDS
- TYPE:
- HANDLEBAR SWITCH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 24'
MSRP: $52.99Now: $48.00Was: $52.99 -
On Sale
LA CHOPPERS Handle Bar Extension Wiring Kit - Harley Davidson LA-8991-00
LA CHOPPERS
MSRP: $84.99Now: $76.00Was: $84.99Extending your handlebar controls on a custom Harley shouldn't mean fabricating custom wiring harnesses from scratch. This LA CHOPPERS kit eliminates guesswork with pre-crimped terminals, OEM color-matched wires, and heat shrink—everything you need to...21200384- SKU:
- 21200384
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 24'
- FEATURES:
- HEAT SHRINK
- FEATURES:
- INCLUDES TERMINAL ENDS
- TYPE:
- HANDLEBAR SWITCH
- PRODUCT NAME:
- WIRING HARNESS
MSRP: $84.99Now: $76.00Was: $84.99 -
On Sale
LA CHOPPERS Handle Bar Extension Wiring Kit - Harley Davidson LA-8991-91
LA CHOPPERS
MSRP: $127.49Now: $115.00Was: $127.49Extending your hand controls to fit taller ape hanger bars shouldn't mean hours of custom wiring and splicing—that's where this kit saves you both time and frustration. LA CHOPPERS delivers pre-crimped terminals, OEM color-matched wires, and heat shrink...21200552- SKU:
- 21200552
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- HANDLEBAR
- WIRE/CABLE LENGTH IMPERIAL:
- 24'
- PRODUCT NAME:
- EXTENSION WIRING KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
MSRP: $127.49Now: $115.00Was: $127.49 -
On Sale
LA CHOPPERS Heated Grip Extension - Harley Davidson LA-8998-00
LA CHOPPERS
MSRP: $29.99Now: $27.00Was: $29.99If you've upgraded to long bars on your Harley-Davidson, your factory heated grips and throttle-by-wire harnesses fall short—literally. The LA CHOPPERS Heated Grip Extension solves this with precision-engineered wiring that maintains full heating and...21200946- SKU:
- 21200946
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- EXTENSION WIRING KIT
- RIDING STYLE:
- STREET
- TYPE:
- HANDLEBAR
- UNITS:
- KIT
MSRP: $29.99Now: $27.00Was: $29.99 -
On Sale
LA CHOPPERS Throttle-by-Wire and Heated Grip Extension Kit - Harley Davidson LA-8998-01
LA CHOPPERS
MSRP: $69.99Now: $63.00Was: $69.99Upgrading to taller handlebars shouldn't mean losing throttle-by-wire responsiveness or heated grip functionality. This LA CHOPPERS extension kit solves the common fitment problem by providing properly-gauged harness extensions that maintain factory...21200947- SKU:
- 21200947
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- HANDLEBAR
- PRODUCT NAME:
- EXTENSION WIRING KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $69.99Now: $63.00Was: $69.99 -
On Sale
LA CHOPPERS Hand Control Extension Harness - 9" - FLHRXS LA-8993-39
LA CHOPPERS
MSRP: $149.99Now: $135.00Was: $149.99If you're running an FLHRXS Road King Special with aftermarket hand controls, you already know that routing harnesses through the bars creates headaches—and routing errors create electrical gremlins. This LA CHOPPERS extension harness eliminates that...21201034- SKU:
- 21201034
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- WIRE HARNESS EXTENSION
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 9'
- TYPE:
- HAND CONTROL
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
MSRP: $149.99Now: $135.00Was: $149.99 -
On Sale
LA CHOPPERS Handle Bar Extension Wiring Kit - FLHT/T - 21+ LA-8991-94
LA CHOPPERS
MSRP: $119.99Now: $108.00Was: $119.99If you're extending your handlebar setup on a 2021+ FLHT/T, factory wiring harnesses often create routing headaches and require jumper connections between your switch housing and control module. This LA CHOPPERS kit eliminates that complexity with a...21201140- SKU:
- 21201140
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FOR MAKE:
- HARLEY DAVIDSON
- TYPE:
- HANDLEBAR
- UNITS:
- KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 20'
- PRODUCT NAME:
- EXTENSION WIRING KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
MSRP: $119.99Now: $108.00Was: $119.99Qty in Cart: 0Quantity:Price:MSRP: $119.99Now: $108.00Was: $119.99Subtotal: -
On Sale
LA CHOPPERS Clutch/Brake Wire - 36" - FLH/T - 21+ LA-8994-36
LA CHOPPERS
MSRP: $89.99Now: $81.00Was: $89.99If you've upgraded your FLH/T handlebar setup and your factory clutch and brake wires fall short, this 36" harness extension eliminates slack and routing issues while maintaining OEM-spec compatibility. LA CHOPPERS designed this direct replacement to...21201141- SKU:
- 21201141
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- WIRE/CABLE LENGTH IMPERIAL:
- 36'
- PRODUCT NAME:
- WIRE KIT
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
- RIDING STYLE:
- STREET
MSRP: $89.99Now: $81.00Was: $89.99Qty in Cart: 0Quantity:Price:MSRP: $89.99Now: $81.00Was: $89.99Subtotal: -
On Sale
LA CHOPPERS Clutch/Brake Wire - 39" - FLH/T - 21+ LA-8994-39
LA CHOPPERS
MSRP: $89.99Now: $81.00Was: $89.99If you've upgraded to taller handlebars on your 2021+ FLH/FLHT, your stock clutch and brake wires won't reach without binding or excessive tension. LA CHOPPERS solves this with an extended 39" harness that maintains OEM connector compatibility while...21201142- SKU:
- 21201142
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- WIRE KIT
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 39'
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
MSRP: $89.99Now: $81.00Was: $89.99Qty in Cart: 0Quantity:Price:MSRP: $89.99Now: $81.00Was: $89.99Subtotal: -
On Sale
LA CHOPPERS Clutch/Brake Wire - 42" - FLH/T - 21+ LA-8994-42
LA CHOPPERS
MSRP: $92.99Now: $84.00Was: $92.99Stock handlebar configurations often fall short when you're customizing your FLH/T's controls. The LA CHOPPERS 42" Clutch/Brake Wire eliminates cable bind and routing complications by providing factory-matched length with extra slack for custom bar...21201143- SKU:
- 21201143
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRE KIT
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 42'
MSRP: $92.99Now: $84.00Was: $92.99 -
On Sale
LA CHOPPERS Clutch/Brake Wire - 45" - FLH/T - 21+ LA-8994-45
LA CHOPPERS
MSRP: $94.99Now: $85.00Was: $94.99If you're running extended bars, a raked frame, or custom controls on your 2021+ FLH/FLHT, the stock clutch and brake wires won't reach. LA CHOPPERS solves this with a purpose-built 45" harness that maintains OEM connector compatibility while giving you...21201144- SKU:
- 21201144
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- WIRE KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 45'
- RIDING STYLE:
- STREET
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
MSRP: $94.99Now: $85.00Was: $94.99 -
On Sale
LA CHOPPERS Clutch/Brake Wire - 48" - FLH/T - 21+ LA-8994-48
LA CHOPPERS
MSRP: $97.49Now: $88.00Was: $97.49If you're running taller aftermarket handlebars on your 2021+ Harley-Davidson FLH/T, your factory clutch and brake wiring won't reach the control module without strain or jerry-rigged extensions. The LA CHOPPERS 48" harness eliminates guesswork with a...21201145- SKU:
- 21201145
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 48'
- PRODUCT NAME:
- WIRE KIT
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
MSRP: $97.49Now: $88.00Was: $97.49Qty in Cart: 0Quantity:Price:MSRP: $97.49Now: $88.00Was: $97.49Subtotal: -
On Sale
LA CHOPPERS Handle Bar Extension Wiring Kit - Harley Davidson LA-8991-92
LA CHOPPERS
MSRP: $107.99Now: $97.00Was: $107.99Extended handlebars demand properly routed wiring, and improvised solutions lead to exposed terminals, poor connections, and sloppy aesthetics. The LA CHOPPERS Handle Bar Extension Wiring Kit eliminates guesswork by providing pre-crimped, OEM...21200640- SKU:
- 21200640
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 20'
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- EXTENSION WIRING KIT
- UNITS:
- KIT
- TYPE:
- HANDLEBAR
MSRP: $107.99Now: $97.00Was: $107.99 -
On Sale
LA CHOPPERS Throttle-By-Wire Extension Kit - Harley Davidson LA-8999-01
LA CHOPPERS
MSRP: $52.99Now: $48.00Was: $52.99Custom handlebar installations demand proper throttle-by-wire extension to maintain factory electronics integrity and safe operation. The LA CHOPPERS Throttle-By-Wire Extension Kit eliminates the guesswork with OEM-matched connectors and color-coded...21200641- SKU:
- 21200641
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR TYPE:
- PIN
- PRODUCT NAME:
- WIRING HARNESS
- COLOR/FINISH:
- BLACK
- TYPE:
- THROTTLE-BY-WIRE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 20'
MSRP: $52.99Now: $48.00Was: $52.99Qty in Cart: 0Quantity:Price:MSRP: $52.99Now: $48.00Was: $52.99Subtotal: -
On Sale
LA CHOPPERS Handle Bar Extension Wiring Kit - Harley Davidson LA-8991-93
LA CHOPPERS
MSRP: $119.99Now: $108.00Was: $119.99When you extend your handlebars beyond stock geometry, your original wiring won't reach—leaving you with exposed connections or incomplete hand controls. LA CHOPPERS eliminates the guesswork with pre-terminated, color-matched wiring that integrates...21200841- SKU:
- 21200841
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- EXTENSION WIRING KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- HANDLEBAR
- WIRE/CABLE LENGTH IMPERIAL:
- 19-1/2'
MSRP: $119.99Now: $108.00Was: $119.99 -
On Sale
LA CHOPPERS Can-Bus Wiring Harness Extension - 36" LA-8992-36
LA CHOPPERS
MSRP: $89.99Now: $81.00Was: $89.99If you're extending your handlebar controls beyond stock reach, you need a reliable CAN-Bus extension that doesn't compromise signal integrity or require custom fabrication. LA CHOPPERS' 36" extension eliminates the guesswork with OEM-spec connectors and...21200880- SKU:
- 21200880
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- WIRE/CABLE LENGTH IMPERIAL:
- 36'
- PRODUCT NAME:
- EXTENSION CABLE
- RIDING STYLE:
- STREET
- UNITS:
- SET
- COLOR/FINISH:
- BLACK
MSRP: $89.99Now: $81.00Was: $89.99 -
On Sale
LA CHOPPERS Can-Bus Wiring Harness Extension - 39" LA-8992-39
LA CHOPPERS
MSRP: $89.99Now: $81.00Was: $89.99Modern Can-Bus equipped motorcycles demand precise wiring integration when upgrading handlebars, and a poorly routed or undersized harness creates electrical gremlins that compromise functionality. The LA CHOPPERS 39" Can-Bus Wiring Harness Extension...21200881- SKU:
- 21200881
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- EXTENSION CABLE
- RIDING STYLE:
- STREET
- UNITS:
- SET
- WIRE/CABLE LENGTH IMPERIAL:
- 39'
MSRP: $89.99Now: $81.00Was: $89.99 -
On Sale
LA CHOPPERS Can-Bus Wiring Harness Extension - 42" LA-8992-42
LA CHOPPERS
MSRP: $94.99Now: $85.00Was: $94.99Extending your handlebar controls shouldn't mean custom fabrication and guesswork—the LA CHOPPERS Can-Bus Wiring Harness Extension delivers plug-and-play simplicity with OEM-level reliability. Whether you're building a custom cruiser, stretching your...21200882- SKU:
- 21200882
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- EXTENSION CABLE
- RIDING STYLE:
- STREET
- UNITS:
- SET
- COLOR/FINISH:
- BLACK
- WIRE/CABLE LENGTH IMPERIAL:
- 42'
MSRP: $94.99Now: $85.00Was: $94.99 -
On Sale
LA CHOPPERS Can-Bus Wiring Harness Extension - 45" LA-8992-45
LA CHOPPERS
MSRP: $94.99Now: $85.00Was: $94.99Extending your Can-Bus handlebar controls shouldn't require custom fabrication or soldering—this LA CHOPPERS harness extension handles the job with a simple plug-and-play connection. Whether you're running aftermarket bars or repositioning controls on a...21200883- SKU:
- 21200883
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- WIRE/CABLE LENGTH IMPERIAL:
- 45'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- EXTENSION CABLE
- UNITS:
- SET
- COLOR/FINISH:
- BLACK
MSRP: $94.99Now: $85.00Was: $94.99 -
On Sale
LA CHOPPERS Can-Bus Wiring Harness Extension - 48" LA-8992-48
LA CHOPPERS
MSRP: $97.49Now: $88.00Was: $97.49When extending handlebar controls on modern motorcycles, factory Can-Bus wiring demands precision and reliability—improper connections compromise both safety and electrical integrity. The LA CHOPPERS 48" Can-Bus Extension eliminates guesswork with...21200884- SKU:
- 21200884
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- EXTENSION CABLE
- UNITS:
- SET
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 48'
MSRP: $97.49Now: $88.00Was: $97.49
