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 eliminate guesswork during installation by matching...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. The NAMZ Delphi Mating Connectors PT-410017 eliminate...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 accommodating custom handlebar heights—no computer...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 this problem by safely extending your existing wiring...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, tested solution that keeps your throttle responsive...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 Handlebar Extension Harness eliminates that problem with a...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
$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
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 Mating Connectors kit eliminates guesswork by pairing...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 plugs give you factory-grade connector components without...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 corroded, damaged, or worn—saving you both time and money...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 compact, sealed design professional racers and shop...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 footprint, protecting your harness from moisture and vibration...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 delivers watertight sealing in a compact footprint,...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 MX 150 delivers watertight security in a compact...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 auxiliary lighting, fan controls, or sensor circuits,...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 MX 150 connector delivers sealed, dependable...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 custom loom for a track car or upgrading your bike's...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
$5.95Qty in Cart: 0Quantity:Price:$5.95Subtotal: -
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 integrity your build requires while staying compact enough to...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 into a compact, durable platform—ideal for engine bay...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 a single, compact component, eliminating the visual...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 secure, corrosion-resistant connectivity between your...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
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal:
