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
-
SADDLE TRAMP Bypass Harness - Amplifier BC-9726
SADDLE TRAMP
$87.95If you're upgrading your vehicle's audio system or replacing a factory amplifier, the SADDLE TRAMP Bypass Harness eliminates the need to cut and splice OEM wiring, preserving your vehicle's electrical integrity and resale value. This harness provides a...21201134- SKU:
- 21201134
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- WIRING HARNESS
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- RIDING STYLE:
- STREET
$87.95 -
SADDLE TRAMP Speaker Harness - Tour-Pak BC-9727
SADDLE TRAMP
$63.95If you're upgrading your Harley-Davidson Tour-Pak with aftermarket speakers, you need a harness that delivers clean signal without compromise. The SADDLE TRAMP BC-9727 eliminates guesswork by providing a direct, water-tight connection to your OE backbone...21201135- SKU:
- 21201135
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- WIRING HARNESS
- TYPE:
- SPEAKER
- TYPE:
- TOUR PACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
$63.95 -
SADDLE TRAMP Harness - '98-'13 FL 70-9800
SADDLE TRAMP
$29.95If you're upgrading the audio system in your '98-'13 FL Harley, you need a reliable harness that integrates seamlessly with modern radio units—no improvisation, no guesswork. The SADDLE TRAMP Harness eliminates the confusion of aftermarket wiring by...21201153- SKU:
- 21201153
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- RADIO
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- WIRE HARNESS
$29.95 -
SADDLE TRAMP Integration Harness - FLHTP BC-9700P
SADDLE TRAMP
$134.95If you're upgrading your FLHTP with a modern infotainment system, wiring compatibility shouldn't slow you down. The SADDLE TRAMP Integration Harness eliminates the guesswork by providing direct OEM connectivity to your Boom!™ Box GTS Radio Kit—no...21201067- SKU:
- 21201067
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- WIRE HARNESS
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$134.95 -
SADDLE TRAMP 2-Channel Converter - Harley Davidson AX-MLOC-HD1
SADDLE TRAMP
$56.95Factory audio systems in modern Harleys often fall short when you're running aftermarket speakers or adding auxiliary equipment like auxiliary lighting controllers or communication systems. The SADDLE TRAMP 2-Channel Converter solves this by giving you...21201068- SKU:
- 21201068
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- EACH
- PRODUCT NAME:
- CONVERTER
- RIDING STYLE:
- STREET
- TYPE:
- 2-CHANNEL
$56.95 -
SADDLE TRAMP Handlebar Interface - Harley Davidson HD-ASWC-1
SADDLE TRAMP
$122.95If you're running factory radio controls on your Harley Davidson, integrating them seamlessly with aftermarket handlebars shouldn't require hours of wiring diagnostics or custom fabrication. The SADDLE TRAMP Handlebar Interface eliminates guesswork with...21201069- SKU:
- 21201069
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- WIRING HARNESS
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- TYPE:
- HANDLEBAR CONTROL
- RIDING STYLE:
- STREET
$122.95 -
THUNDERMAX Center brake Light Module - Harley Davidson EA4094
THUNDERMAX
$46.95Tired of dealing with unreliable brake light modules that fail when you need them most? The THUNDERMAX Center Brake Light Module eliminates the weak points of traditional designs—no relays to burn out, no compatibility headaches, and rock-solid...21200084- SKU:
- 21200084
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- AMPS:
- 3 A
- UNITS:
- EACH
- VOLTS:
- 12 V
- PRODUCT NAME:
- BRAKE LIGHT MODULE
- TYPE:
- ACCESSORY
$46.95Qty in Cart: 0Quantity:Price:$46.95Subtotal: -
THUNDERMAX Push Button Converter - Harley Davidson EA4093
THUNDERMAX
$46.95Hand control switches require a latching signal to function properly with modern harness controllers, but most push-button switches only send momentary signals. The THUNDERMAX Push Button Converter bridges this gap, translating that momentary input into...21200085- SKU:
- 21200085
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- PUSH-BUTTON CONVERTER AND HARNESS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- AMPS:
- 1 A
- TYPE:
- HANDLEBAR SWITCH
- UNITS:
- EACH
$46.95 -
THUNDERMAX Micro Harness Controller EA4360
THUNDERMAX
$406.95Building a custom motorcycle demands an electrical system as refined as your vision. The THUNDERMAX Micro Harness Controller EA4360 consolidates fuse, relay, and signal functions into a single compact package, eliminating the mess of traditional wiring...21200086- SKU:
- 21200086
- Availability:
- Ships Same Business Day
- Weight:
- 2.99 LBS
- PRODUCT NAME:
- WIRING HARNESS KIT
- TYPE:
- BRAKE LIGHT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- MINI
$406.95 -
THUNDERMAX Micro Harness Controller EA4260
THUNDERMAX
$359.95Custom motorcycle builds demand a control system that consolidates multiple electrical functions without sacrificing reliability or aesthetics. The THUNDERMAX Micro Harness Controller EA4260 eliminates the complexity of traditional wiring looms by...21200023- SKU:
- 21200023
- Availability:
- Ships Same Business Day
- Weight:
- 2.93 LBS
- PRODUCT NAME:
- WIRING HARNESS KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- MINI
$359.95 -
THUNDERMAX Electronic Harness Controller EA4250D-C
THUNDERMAX
$369.95Custom motorcycle builds demand a wiring solution that matches your fabrication ambitions—not constrains them. The THUNDERMAX EA4250D-C consolidates fuse, relay, and signal functions into a single compact package, freeing up valuable frame space while...21200675- SKU:
- 21200675
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- PRODUCT NAME:
- WIRING HARNESS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- TURN SIGNAL
$369.95 -
CIRO Plug and Play Harness for Machete Light 40090
CIRO
$29.99Installing Macheteâ„¢ Saddlebag LED Lights on your Harley-Davidson shouldn't require hours of custom wiring or expensive fabrication work. The CIRO Plug and Play Harness eliminates guesswork by providing a direct, OEM-quality connection tailored to your...21200983- SKU:
- 21200983
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- WIRING HARNESS KIT
- TYPE:
- WIRING HARNESS
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
- MODEL:
- MACHETEâ„¢
- RIDING STYLE:
- STREET
$29.99 -
CIRO Wiring Extension - 3-Wire 40097
CIRO
$13.99Works with Ciro rear end lighting accessories that utilize a 4-wire system.21200901- SKU:
- 21200901
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR PIN COUNT:
- 3 PINS
- UNITS:
- PAIR
- PRODUCT NAME:
- CABLE CONNECTOR
- RIDING STYLE:
- STREET
- TYPE:
- LED ACCENT LIGHTING KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 5'
- MODEL:
- SHOCK & AWE
$13.99 -
CIRO Wiring Extension - 4-Wire 40098
CIRO
$14.99Works with Ciro rear end lighting accessories that utilize a 4-wire system.21200902- SKU:
- 21200902
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR PIN COUNT:
- 4 PINS
- MODEL:
- SHOCK & AWE
- UNITS:
- PAIR
- PRODUCT NAME:
- CABLE CONNECTOR
- RIDING STYLE:
- STREET
- TYPE:
- LED ACCENT LIGHTING KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 4'
$14.99 -
CIRO Wire Y-Splitters 8" - Pair 41024
CIRO
$24.99Works with Ciro rear end lighting accessories that utilize a 4-wire system.21200931- SKU:
- 21200931
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- WIRE/CABLE LENGTH IMPERIAL:
- 6'
- CONNECTOR PIN COUNT:
- 3 PINS
- MODEL:
- SHOCK & AWE
- UNITS:
- PAIR
- PRODUCT NAME:
- Y SPLITTER
- RIDING STYLE:
- STREET
- TYPE:
- LED ACCENT LIGHTING KIT
$24.99 -
CIRO Wire Extensions 22" - Pair 41028
CIRO
$17.99Works with Ciro rear end lighting accessories that utilize a 4-wire system.21200933- SKU:
- 21200933
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR PIN COUNT:
- 4 PINS
- MODEL:
- SHOCK & AWE
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE HARNESS EXTENSION
- WIRE/CABLE LENGTH IMPERIAL:
- 22'
- RIDING STYLE:
- STREET
- TYPE:
- LED ACCENT LIGHTING KIT
$17.99 -
CIRO Rear Lighting Y-Splitters 40099
CIRO
$24.99Make Ciro® rear lighting products compatible with four-wire systems21200890- SKU:
- 21200890
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- TYPE:
- MARKER LIGHT
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE HARNESS ADAPTER
$24.99 -
CIRO Front Turn Signal Harness 40095
CIRO
$39.99Can be used when installing multiple front end lighting with amber turn signals21201154- SKU:
- 21201154
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- Y-HARNESS
- TYPE:
- FRONT TURN SIGNAL
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$39.99 -
CIRO Fairing Power Y-Harness 40096
CIRO
$12.99Fairing power Y-harness allows easy installation of multiple powered fairing accessories, Connects to the fairing power node to add LED effects or other accessories, Simple plug-in installation21200985- SKU:
- 21200985
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- HARNESS FAIRING
- TYPE:
- FAIRING
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
- MODEL:
- MACHETEâ„¢
- RIDING STYLE:
- STREET
$12.99Qty in Cart: 0Quantity:Price:$12.99Subtotal: -
BARNETT Electronic Throttle Control Extensions - 15" - Harley Davidson 152-30-30015
BARNETT
$57.29Allow easy changes in handlebar height on models with electronic throttle control, Made with OEM-type connectors, Extensions can be snapped together to create longer lengths, Made in the U.S.A.21200253- SKU:
- 21200253
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- WIRING HARNESS
- UNITS:
- EACH
- TYPE:
- THROTTLE-BY-WIRE
- WIRE/CABLE LENGTH IMPERIAL:
- 15'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$57.29