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 Delphi Mating Connectors PT-410016
NAMZ
$11.95Proper wiring connectors are critical to reliable electrical system performance, and using OEM-spec components ensures your harness meets factory standards. The NAMZ Delphi Mating Connectors...21200833- SKU:
- 21200833
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR PIN COUNT:
- 3 PINS
- WIRE/CABLE LENGTH IMPERIAL:
- 18'
- TYPE:
- MATING CONNECTOR
- UNITS:
- EACH
- CONNECTOR TYPE:
- DELPHI
- CONNECTOR TYPE:
- SPEED SENSOR
- PRODUCT NAME:
- WIRE HARNESS
- RIDING STYLE:
- STREET
$11.95 -
NAMZ Delphi Mating Connectors PT-410017
NAMZ
$13.95If you're rebuilding or customizing your Harley-Davidson's electrical system, wiring connectors are non-negotiable—and sourcing OEM-spec replacements shouldn't mean hunting through multiple suppliers...21200834- SKU:
- 21200834
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- CONNECTOR TYPE:
- DELPHI
- RIDING STYLE:
- STREET
- CONNECTOR PIN COUNT:
- 4 PINS
- PRODUCT NAME:
- WIRE HARNESS
- TYPE:
- MATING CONNECTOR
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- WIRE/CABLE LENGTH IMPERIAL:
- 18'
$13.95Qty in Cart: 0Quantity:Price:$13.95Subtotal: -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-J04
NAMZ
$39.95Installing taller handlebars shouldn't require a complete electrical overhaul. The NAMZ Throttle-By-Wire Extension Harness maintains full compatibility with your Harley's fuel injection system while...21200836- SKU:
- 21200836
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 4'
- CONNECTOR TYPE:
- MOLEX
- TYPE:
- THROTTLE-BY-WIRE
- CONNECTOR TYPE:
- PIN
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE HARNESS EXTENSION
- UNITS:
- KIT
$39.95 -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-J12
NAMZ
$48.95Installing taller handlebars on your Harley-Davidson shouldn't force you to compromise on throttle control or risk computer compatibility issues. The NAMZ Throttle-By-Wire Extension Harness solves...21200838- SKU:
- 21200838
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR TYPE:
- MOLEX
- WIRE/CABLE LENGTH IMPERIAL:
- 12'
- CONNECTOR TYPE:
- PIN
- COLOR/FINISH:
- BLACK
- TYPE:
- THROTTLE-BY-WIRE
- UNITS:
- KIT
- PRODUCT NAME:
- WIRE HARNESS EXTENSION
- RIDING STYLE:
- STREET
$48.95 -
NAMZ Throttle-By-Wire Externsion Harness - Harley Davidson NTBW-J15
NAMZ
$52.95Upgrading to taller handlebars shouldn't mean rewiring your entire motorcycle or risking computer interference. The NAMZ Throttle-By-Wire Extension Harness solves this problem with a straightforward,...21200839- SKU:
- 21200839
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR TYPE:
- MOLEX
- WIRE/CABLE LENGTH IMPERIAL:
- 15'
- PRODUCT NAME:
- WIRE HARNESS EXTENSION
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- TYPE:
- THROTTLE-BY-WIRE
- UNITS:
- KIT
- CONNECTOR TYPE:
- PIN
$52.95 -
NAMZ Handlebar Extension Harness 24" - Indian NHCX-I24
NAMZ
$89.95If you're upgrading to extended or custom handlebars on your Indian motorcycle, OEM switch wiring won't reach—leaving you stuck with incomplete controls or risky improvised solutions. The NAMZ...21200867- SKU:
- 21200867
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- PRODUCT NAME:
- WIRE HARNESS EXTENSION KIT
- WIRE/CABLE LENGTH IMPERIAL:
- 24'
- RIDING STYLE:
- STREET
- TYPE:
- HANDLEBAR
$89.95 -
NAMZ Mating Connectors NMD-410027
NAMZ
$6.95Reliable electrical connections are foundational to any high-performance build, and substandard connectors introduce unwanted resistance and potential failure points in critical circuits. The NAMZ...21200554- SKU:
- 21200554
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR TYPE:
- DELPHI
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTOR PIN COUNT:
- 3 PINS
- CONNECTOR TYPE:
- ROUND
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- DELPHI
$6.95 -
NAMZ Deutsch Hole Plugs DTM DTM-HP
NAMZ
$6.95If you're building custom wiring harnesses or maintaining Deutsch connectors on race vehicles and street machines, keeping quality replacement plugs on hand is essential. These NAMZ Deutsch hole...21200309- SKU:
- 21200309
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR GENDER:
- -
- TYPE:
- MATING CONNECTOR
- COLOR/FINISH:
- RED
- CONNECTOR TYPE:
- DEUTSCH DTM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- HOLE PLUG
- CONNECTOR PIN COUNT:
- 1 PIN
- UNITS:
- 10 PACK
$6.95Qty in Cart: 0Quantity:Price:$6.95Subtotal: -
NAMZ Regulator Connector Kit - XL HDD-XL-KIT
NAMZ
$25.95Regulator connector failures can leave you stranded mid-race or mid-project. The NAMZ Regulator Connector Kit eliminates the need to replace an entire regulator assembly when a connector becomes...21200313- SKU:
- 21200313
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- CONNECTOR TYPE:
- DEUTSCH
- UNITS:
- KIT
- CONNECTOR PIN COUNT:
- 1 PIN
$25.95Qty in Cart: 0Quantity:Price:$25.95Subtotal: -
NAMZ Molex MX 150 Connector - 3 Pin Female - Black NM-33471-0301
NAMZ
$2.95A reliable wiring connector is non-negotiable in motorsports applications where vibration, moisture, and thermal cycling demand secure, watertight connections. The NAMZ Molex MX 150 delivers the...21200314- SKU:
- 21200314
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- MOLEX MX-150
- CONNECTOR PIN COUNT:
- 3 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- SINGLE ROW
- UNITS:
- EACH
$2.95 -
NAMZ Molex MX 150 Connector - 4 Pin Female - Black NM-33472-4001
NAMZ
$4.95Reliable wiring connections are non-negotiable in high-performance applications where electrical failure means DNF. The NAMZ Molex MX 150 connector delivers watertight integrity in a compact...21200316- SKU:
- 21200316
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR PIN COUNT:
- 4 PINS
- CONNECTOR TYPE:
- MOLEX MX-150
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- TYPE:
- DOUBLE ROW
$4.95 -
NAMZ Molex MX 150 Connector - 4 Pin Female- Gray NM-33472-4002
NAMZ
$4.95Clean, reliable wiring connections are non-negotiable in performance automotive builds—especially when moisture and vibration are constant threats. The NAMZ Molex MX 150 4-pin female connector...21200317- SKU:
- 21200317
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- TYPE:
- DOUBLE ROW
- CONNECTOR PIN COUNT:
- 4 PINS
- CONNECTOR TYPE:
- MOLEX MX-150
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- COLOR/FINISH:
- GRAY
$4.95 -
NAMZ Molex MX 150 Connector - 6 Pin Female - Black NM-33472-0601
NAMZ
$5.95A reliable wiring connector is foundational to any clean, professional electrical installation—especially in high-vibration racing environments where loose connections mean downtime. The NAMZ Molex...21200318- SKU:
- 21200318
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WIRING CONNECTOR
- CONNECTOR PIN COUNT:
- 6 PINS
- CONNECTOR TYPE:
- MOLEX MX-150
- UNITS:
- EACH
- TYPE:
- DOUBLE ROW
$5.95 -
NAMZ Molex MX 150 Connector - 8 Pin Female - Black NM-33472-0801
NAMZ
$7.95A reliable electrical connector is the foundation of any custom wiring harness, and the NAMZ Molex MX 150 8-pin female connector delivers the dependability your build demands. Whether you're running...21200319- SKU:
- 21200319
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- TYPE:
- DOUBLE ROW
- CONNECTOR PIN COUNT:
- 8 PINS
- CONNECTOR TYPE:
- MOLEX MX-150
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
$7.95 -
NAMZ Molex MX 150 Connector - 12 Pin Female - Black NM-33472-1201
NAMZ
$3.95Clean electrical connections are foundational to reliable wiring harnesses, especially in high-vibration racing environments where corrosion and moisture can cause intermittent faults. The NAMZ Molex...21200320- SKU:
- 21200320
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- TYPE:
- DOUBLE ROW
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- MOLEX MX-150
- CONNECTOR PIN COUNT:
- 12 PINS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$3.95 -
NAMZ Molex MX 150 Connector - 16 Pin Female - Black NM-33472-1601
NAMZ
$5.95A reliable connector is the foundation of any quality wiring harness, and the NAMZ Molex MX 150 16-pin female connector delivers the dependability your build demands. Whether you're assembling a...21200321- SKU:
- 21200321
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- COLOR/FINISH:
- BLACK
- CONNECTOR GENDER:
- FEMALE
- TYPE:
- DOUBLE ROW
- CONNECTOR PIN COUNT:
- 16 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTOR TYPE:
- MOLEX MX-150
$5.95 -
STANDARD MOTOR PRODUCTS Junction Block - 8 Lug MC-JB1
STANDARD MOTOR PRODUCTS
$20.95Custom wiring projects demand a reliable junction point that doesn't compromise under underhood conditions or tight engine bay constraints. This bakelite junction block delivers the electrical...DS272165- SKU:
- DS272165
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- CONNECTOR PIN COUNT:
- 16 PINS
- PRODUCT NAME:
- TERMINAL PLATE
- RIDING STYLE:
- OFF-ROAD
- CONNECTOR TYPE:
- WITH SCREWS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BAKELITE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
$20.95Qty in Cart: 0Quantity:Price:$20.95Subtotal: -
STANDARD MOTOR PRODUCTS Junction Block - 6 Lug MC-JB3
STANDARD MOTOR PRODUCTS
$15.95Custom wiring harnesses demand a reliable distribution point that won't compromise your build's integrity or aesthetics. The STANDARD MOTOR PRODUCTS Junction Block consolidates multiple connections...DS272166- SKU:
- DS272166
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- CONNECTOR PIN COUNT:
- 12 PINS
- PRODUCT NAME:
- TERMINAL PLATE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BAKELITE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- CONNECTOR TYPE:
- WITH SCREWS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
$15.95 -
STANDARD MOTOR PRODUCTS Junction Block - 4 Lug MC-JB2
STANDARD MOTOR PRODUCTS
$11.95Custom wiring harnesses demand a reliable distribution point that won't compromise your build's integrity or aesthetics. The Standard Motor Products Junction Block consolidates multiple circuits into...DS272167- SKU:
- DS272167
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- CONNECTOR PIN COUNT:
- 8 PINS
- MATERIAL:
- BAKELITE
- PRODUCT NAME:
- TERMINAL PLATE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- SNOW
- CONNECTOR TYPE:
- WITH SCREWS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
$11.95 -
ULTRACOOL 4-Pin Access Plug Connector RFB-125
ULTRACOOL
$14.95If you're running an UltraCool Oil Cooler system, a reliable electrical connection is non-negotiable for consistent performance and safety. The ULTRACOOL 4-Pin Access Plug Connector RFB-125 ensures...21200987- SKU:
- 21200987
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- PLUG CONNECTOR
- RIDING STYLE:
- STREET
- TYPE:
- CONNECTOR
- FOR MAKE:
- HARLEY DAVIDSON
- POWER CONNECTION TYPE:
- CONNECTING HARNESS
- UNITS:
- EACH
$14.95
