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
-
KICKER Amp Install Kit - 6 Gauge 47VK6
KICKER
$79.99A quality amp installation kit eliminates guesswork and safety risks by bundling every cable, connector, and protection component you need in one package. The KICKER 47VK6 uses oxygen-free copper throughout and includes proper fusing and...21201107- SKU:
- 21201107
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- AMPLIFIER WIRING KIT
$79.99Qty in Cart: 0Quantity:Price:$79.99Subtotal: -
KICKER Amp Install Kit - 8 Gauge 47VK8
KICKER
$79.99Installing an amplifier without proper wiring is a shortcut to performance loss, electrical failure, and potential fire hazard. The KICKER 47VK8 eliminates guesswork by bundling all the critical components—power, ground, signal, and speaker cables—in a...21201108- SKU:
- 21201108
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- PRODUCT NAME:
- AMPLIFIER WIRING KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$79.99 -
HOGTUNES Rear Speaker Plug - Harley Davidson RR PLUG-AA
HOGTUNES
$59.95If you're running a factory Harmon Kardon radio on your Harley and want to tap into the rear speaker outputs without custom wiring, this plug eliminates guesswork and saves hours of fabrication time. The HOGTUNES Rear Speaker Plug connects directly to...21200771- SKU:
- 21200771
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- CONNECTOR GENDER:
- MALE
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- TYPE:
- REAR SPEAKER
- UNITS:
- EACH
- CONNECTOR TYPE:
- AMP
$59.95 -
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
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
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 -
RIVCO PRODUCTS Trailer Wiring Sub-Harness - Harley Davidson HD007-49
RIVCO PRODUCTS
$49.95If you're adding a trailer to your Harley Davidson, factory wiring modifications are the last thing you want to tackle. This RIVCO sub-harness integrates seamlessly into your stock electrical system without requiring cuts, splices, or permanent...39020191- SKU:
- 39020191
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- EACH
- TYPE:
- TRAILER HITCH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRING HARNESS
$49.95 -
SADDLE TRAMP Conversion Harness - Radio BC-9713
SADDLE TRAMP
$80.95If you're upgrading your vehicle's audio system or swapping in a newer radio, mismatched connectors can derail your install faster than a blown head gasket. The SADDLE TRAMP Conversion Harness BC-9713 bridges the gap between 1996-1997 and 1998-2013 radio...21201126- SKU:
- 21201126
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- HARNESS CONVERTER
- TYPE:
- RADIO
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$80.95Qty in Cart: 0Quantity:Price:$80.95Subtotal: -
SADDLE TRAMP Amplifier Harness - 14+ BC-9715
SADDLE TRAMP
$185.95Adding a quality amplifier to your audio system requires proper integration with your factory wiring—this harness eliminates guesswork and potential electrical issues by providing pre-terminated connections engineered specifically for amp installation...21201127- SKU:
- 21201127
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- AMPLIFIER
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- RIDING STYLE:
- STREET
$185.95 -
SADDLE TRAMP Amplifier Harness - '98-'13 BC-9716
SADDLE TRAMP
$168.95Installing an aftermarket amplifier shouldn't require hours of custom wiring and fabrication. The SADDLE TRAMP Amplifier Harness (BC-9716) eliminates the guesswork with pre-terminated connectors and ready-to-use RCA outputs, letting you focus on tuning...21201128- SKU:
- 21201128
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- RIDING STYLE:
- STREET
- FOR MAKE:
- HARLEY DAVIDSON
- PRODUCT NAME:
- WIRE HARNESS
- UNITS:
- EACH
- TYPE:
- AMPLIFIER
$168.95 -
SADDLE TRAMP Speaker Harness - Rear BC-9720
SADDLE TRAMP
$63.95If you're upgrading your vehicle's audio system, you need a reliable connection between your head unit and rear speakers—and that's where the SADDLE TRAMP Speaker Harness comes in. This 4-pin backbone harness eliminates guesswork and potential electrical...21201129- SKU:
- 21201129
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- WIRE HARNESS
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- RIDING STYLE:
- STREET
- TYPE:
- REAR SPEAKER
$63.95 -
SADDLE TRAMP Speaker Harness - 3-Way - Rear BC-9721
SADDLE TRAMP
$63.95If you're upgrading your rear audio system but don't want to sacrifice factory integration, the SADDLE TRAMP 3-Way Speaker Harness gives you clean, reliable connectivity without cutting or splicing OE wiring. This bolt-on harness eliminates the guesswork...21201130- SKU:
- 21201130
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- WIRE HARNESS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
$63.95
