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 Extruded Tubing - 1/2" X8' - Black NETR-012
NAMZ
$15.95Factory-quality wire management doesn't require a factory budget. The NAMZ Extruded Tubing delivers the same rigid, organized routing you'd find on a production line, making it the smart choice for both restoration work and clean custom builds. Whether...21201016- SKU:
- 21201016
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SLEEVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- WIRING HARNESS
- WIRE GAUGE:
- -
- WIRE/CABLE LENGTH IMPERIAL:
- 8'
- MATERIAL:
- PVC
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- DIAMETER METRIC:
- 12.7 MM
$15.95 -
NAMZ Extruded Tubing - 3/4" X8' - Black NETR-034
NAMZ
$20.95Clean wire management is essential for any build—whether you're restoring a classic, upgrading an existing harness, or starting fresh. NAMZ Extruded Tubing provides the same rigidity and durability as factory loom, making it significantly easier to route...21201017- SKU:
- 21201017
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DIAMETER METRIC:
- 19.1 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PVC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SLEEVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WIRING HARNESS
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 8'
- RIDING STYLE:
- UTV
- WIRE GAUGE:
- -
$20.95 -
NAMZ Wiring Harness - '99-'03 XL NHD-70153-99
NAMZ
$363.95A factory-correct wiring harness eliminates guesswork when restoring or customizing your '99-'03 XL Harley-Davidson. This NAMZ harness is an exact OE replica with all connectors pre-installed, meaning you get a plug-and-play solution that connects...21201018- SKU:
- 21201018
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- PRODUCT NAME:
- WIRE HARNESS AND RELAY KIT
- RIDING STYLE:
- STREET
- TYPE:
- COMPLETE
- FOR MAKE:
- HARLEY DAVIDSON
- UNITS:
- KIT
$363.95Qty in Cart: 0Quantity:Price:$363.95Subtotal: -
NAMZ Handlebar Switch - Wire - Extensions NHCX-UON
NAMZ
$36.95If you're running taller handlebars, factory switch wiring falls short—literally. The NAMZ Handlebar Switch Wire Extensions solve this with pre-stripped, machine-crimped terminals that reconnect seamlessly to your OEM connector, eliminating the need for...21201020- SKU:
- 21201020
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- CONNECTOR TYPE:
- PIN
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- HANDLEBAR
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 24'
- PRODUCT NAME:
- WIRE HARNESS EXTENSION KIT
$36.95 -
NAMZ Handlebar Switch - Wire - Extensions NHCX-UON-48
NAMZ
$48.95If you're running taller bars or custom handlebar risers, stock switch wiring falls short—literally. The NAMZ Handlebar Switch Wire Extensions eliminate the need for aftermarket connectors or sketchy workarounds by letting you properly extend your...21201021- SKU:
- 21201021
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 48'
- CONNECTOR TYPE:
- PIN
- TYPE:
- HANDLEBAR
- PRODUCT NAME:
- WIRE HARNESS EXTENSION KIT
$48.95Qty in Cart: 0Quantity:Price:$48.95Subtotal: -
NAMZ Y Power Tap Harness - Harley Davidson NOBD-PYH-CB
NAMZ
$25.95If you're running diagnostics, testing new electronics, or adding accessories to your Harley-Davidson without sacrificing OBD-II connectivity, you need reliable access to switched 12V power. The NAMZ Y Power Tap Harness solves this problem by giving you...21200810- SKU:
- 21200810
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- AMP
- MODEL:
- Y-POWER
- VOLTS:
- 12 V
- UNITS:
- EACH
- PRODUCT NAME:
- WIRING HARNESS ADAPTER
- RIDING STYLE:
- STREET
$25.95 -
NAMZ Powerport with Cover - CAN bus NOB-PPCB
NAMZ
$20.95If you're running accessories on extended rides—GPS units, phone chargers, heated gear, or dashcams—you need a reliable power source that doesn't drain your battery or require messy wiring. The NAMZ Powerport taps directly into your vehicle's CAN bus...21200811- SKU:
- 21200811
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- POWER CONNECTION TYPE:
- AUTO AUX POWER SOCKET
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- POWER OUTLET
- VOLTS:
- 12 V
- UNITS:
- EACH
$20.95 -
NAMZ JAE MX-1900 Connector 69201180 - 4 Pin Male NJ-4P52
NAMZ
$6.95Reliable electrical connections are the backbone of any well-tuned engine management system, and the NAMZ JAE MX-1900 ensures your wiring harness stays connected under the toughest racing conditions. This 4-pin male connector delivers consistent signal...21200847- SKU:
- 21200847
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- MALE
- CONNECTOR TYPE:
- MX-1900
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GRAY
- CONNECTOR PIN COUNT:
- 4 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
$6.95 -
NAMZ JAE MX-1900 Connector 69201179 - 4 Pin Female NJ-4S52
NAMZ
$9.95Reliable electrical connections are the backbone of any high-performance wiring harness, and the NAMZ JAE MX-1900 4-pin female connector delivers the durability and precision your build demands. Whether you're routing custom ignition systems, sensor...21200848- SKU:
- 21200848
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- MX-1900
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTOR PIN COUNT:
- 4 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- COLOR/FINISH:
- GRAY
$9.95 -
NAMZ Mini Connector - 6-Wire - Female NJST-06R
NAMZ
$6.95Reliable wiring connections are non-negotiable in high-performance applications where vibration, moisture, and heat constantly threaten your electrical integrity. The NAMZ Mini Connector delivers a compact, watertight solution that keeps your circuits...21200849- SKU:
- 21200849
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- CONNECTOR GENDER:
- FEMALE
- AMPS:
- 5 A
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- QUICK-DISCONNECT
- WIRE GAUGE:
- 22 AWG
- COLOR/FINISH:
- WHITE
- CONNECTOR PIN COUNT:
- 6 PINS
- CONNECTOR TYPE:
- JST MINI
- RIDING STYLE:
- STREET
$6.95 -
NAMZ AMP Mate-n-Lock Connector 70305-87 - 10 Pin Male NA-1-480339-0
NAMZ
$2.95Reliable electrical connections are the foundation of any high-performance build, and factory connectors often fail under demanding race conditions. The NAMZ AMP Mate-n-Lock Connector delivers OEM-quality construction with proven durability, ensuring...21200423- SKU:
- 21200423
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR TYPE:
- AMP MATE-N-LOK
- TYPE:
- AMP
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- CONNECTOR GENDER:
- MALE
- CONNECTOR PIN COUNT:
- 10 PINS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$2.95 -
NAMZ AMP Mate-n-Lock Connector 72276-74 - 12 Pin Male NA-1-480288-0
NAMZ
$4.95Reliable electrical connections are non-negotiable in high-performance applications where vibration, heat, and load cycles constantly test your wiring integrity. The NAMZ AMP Mate-n-Lock Connector delivers OEM-quality construction with the ease of...21200424- SKU:
- 21200424
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- WHITE
- CONNECTOR GENDER:
- MALE
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTOR PIN COUNT:
- 12 PINS
- TYPE:
- AMP
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- CONNECTOR TYPE:
- AMP MATE-N-LOK
$4.95Qty in Cart: 0Quantity:Price:$4.95Subtotal: -
NAMZ ATO-Style Fuse Holder - 14-Gauge NAFH-01
NAMZ
$7.95A sealed ATO fuse holder is essential for protecting your electrical system from unexpected shorts and overloads—especially critical in custom wiring harnesses, engine bay modifications, or performance builds where factory protection may be inadequate...21200425- SKU:
- 21200425
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- FUSE HOLDER
- RIDING STYLE:
- STREET
- TYPE:
- ATO
- UNITS:
- EACH
- WIRE GAUGE:
- 14 AWG
$7.95 -
NAMZ Quick-Disconnect Terminals - 10PK NIS-BFC
NAMZ
$13.95Whether you're rewiring a custom harness, replacing corroded factory connectors, or building a race-ready electrical system, these NAMZ quick-disconnect terminals eliminate the hassle of soldering and ensure rock-solid connections every time. The 1/4"...21200563- SKU:
- 21200563
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- 10 PACK
- COLOR/FINISH:
- BLACK
- MODEL:
- BLACK FLAG
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE LIGHT
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- SPADE
$13.95 -
NAMZ Quick Disconnects 14-16 Gauge Wire - Male NIS-19004-0005
NAMZ
$10.95Clean wiring harnesses demand reliable connections that won't fail under vibration, heat, or repeated use. NAMZ Quick Disconnects eliminate the guesswork of soldering and crimping by providing a dependable, repeatable connection method that works across...21200565- SKU:
- 21200565
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- CONNECTOR GENDER:
- MALE
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 16-14 AWG
- COLOR/FINISH:
- BLUE
- MATERIAL:
- PVC
- PRODUCT NAME:
- WIRING CONNECTOR
- STUD DIAMETER - THREAD SIZE:
- -
- TYPE:
- QUICK-DISCONNECT
- CONNECTOR TYPE:
- SPADE
$10.95 -
NAMZ Butt Splices 10-12 Gauge - 25PK NIS-19157-0028
NAMZ
$10.95Clean, reliable electrical connections are non-negotiable in high-performance builds. NAMZ Butt Splices deliver corrosion-resistant, solderable connections that hold up under vibration, heat, and demanding track conditions. Whether you're rewiring a...21200570- SKU:
- 21200570
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- YELLOW
- MATERIAL:
- PVC
- RIDING STYLE:
- STREET
- TYPE:
- BUTT SPLICE
- FEATURES:
- HEAT SHRINK
- WIRE GAUGE:
- 12-10 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- 25 PACK
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
NAMZ Ring Terminals 18-22 Gauge - #10 NIS-19070-0051
NAMZ
$10.95Clean, reliable electrical connections are non-negotiable in high-performance applications where vibration and heat can compromise standard terminals. NAMZ Ring Terminals deliver fully insulated, corrosion-resistant connections that hold up to demanding...21200574- SKU:
- 21200574
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- RING TERMINAL
- STUD DIAMETER - THREAD SIZE:
- #10
- WIRE GAUGE:
- 22-18 AWG
- UNITS:
- 25 PACK
- COLOR/FINISH:
- RED
- MATERIAL:
- PVC
- RIDING STYLE:
- STREET
- TYPE:
- RING TERMINAL
$10.95 -
NAMZ Ring Terminals 18-22 Gauge - .25" NIS-19070-0023
NAMZ
$11.95Clean, reliable electrical connections are the foundation of any performance build—whether you're running a stock engine or pushing forced induction to the limit. NAMZ Ring Terminals deliver fully insulated, corrosion-resistant connections that won't...21200575- SKU:
- 21200575
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- PVC
- PRODUCT NAME:
- WIRING CONNECTOR
- STUD DIAMETER - THREAD SIZE:
- 1/4'
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- TYPE:
- RING TERMINAL
- UNITS:
- 25 PACK
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- RING TERMINAL
- WIRE GAUGE:
- 22-18 AWG
$11.95 -
NAMZ Ring Terminals 14-16 Gauge - #8 NIS-19070-0071
NAMZ
$12.95Reliable electrical connections are the foundation of any well-built wiring harness, and cheap terminals often lead to voltage drop, corrosion, and intermittent failures. NAMZ Ring Terminals deliver consistent, low-resistance connections with full...21200576- SKU:
- 21200576
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR TYPE:
- RING TERMINAL
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- STUD DIAMETER - THREAD SIZE:
- #8
- UNITS:
- 25 PACK
- WIRE GAUGE:
- 16-14 AWG
- COLOR/FINISH:
- BLUE
- MATERIAL:
- PVC
- STUD DIAMETER - THREAD SIZE:
- M4
- TYPE:
- RING TERMINAL
$12.95 -
NAMZ Ring Terminals 14-16 Gauge - .25" NIS-19070-0075
NAMZ
$7.95Reliable electrical connections are fundamental to any racing harness or custom wiring project—cheap, corroded terminals cost you races. NAMZ Ring Terminals deliver mil-spec quality crimps with full insulation protection, eliminating voltage drop and...21200578- SKU:
- 21200578
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- CONNECTOR TYPE:
- RING TERMINAL
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- COLOR/FINISH:
- BLUE
- CONNECTOR GENDER:
- FEMALE
- MATERIAL:
- PVC
- STUD DIAMETER - THREAD SIZE:
- 1/4'
- TYPE:
- RING TERMINAL
- WIRE GAUGE:
- 16-14 AWG
$7.95
