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 Deutsch Plug - 4 Pin - Gray DP-4G
NAMZ
$6.95Building reliable wiring harnesses demands connector components that match OEM standards for durability and corrosion resistance. The NAMZ Deutsch Plug delivers factory-grade construction with a silicon rubber seal designed to keep moisture and corrosion...21200055- SKU:
- 21200055
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR TYPE:
- DEUTSCH DT SERIES
- TYPE:
- WITH CLIP
- COLOR/FINISH:
- GRAY
- CONNECTOR GENDER:
- MALE
- CONNECTOR PIN COUNT:
- 4 PINS
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$6.95 -
NAMZ Deutsch Plug - 4 Pin - Black DP-4B
NAMZ
$6.95Quality electrical connectors are the backbone of reliable wiring harnesses—whether you're building a custom loom or replacing compromised factory connections. The NAMZ Deutsch DP-4B delivers the same precision-engineered construction found on OEM...21200056- SKU:
- 21200056
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- CONNECTOR PIN COUNT:
- 4 PINS
- CONNECTOR TYPE:
- DEUTSCH DT SERIES
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- CONNECTOR GENDER:
- MALE
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- WITH CLIP
$6.95 -
NAMZ Deutsch Plug - 8 Pin - Gray DP-8G
NAMZ
$11.95If you're building custom wiring harnesses or maintaining OEM connectors, you need connectors that match factory specifications without the factory markup. The NAMZ Deutsch 8-pin plug delivers the same reliability found on production wiring harnesses,...21200059- SKU:
- 21200059
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- COLOR/FINISH:
- GRAY
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- CONNECTOR TYPE:
- DEUTSCH DT SERIES
- TYPE:
- WITH CLIP
- CONNECTOR GENDER:
- MALE
- CONNECTOR PIN COUNT:
- 8 PINS
- RIDING STYLE:
- STREET
$11.95 -
NAMZ Deutsch Plug - 8 Pin - Black DP-8B
NAMZ
$11.95If you're building custom wiring harnesses or maintaining factory-spec electrical connections, reliable connectors are non-negotiable. The NAMZ Deutsch 8-pin plug delivers the same durability and corrosion resistance found in OEM wiring systems, making...21200060- SKU:
- 21200060
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- CONNECTOR PIN COUNT:
- 8 PINS
- CONNECTOR TYPE:
- DEUTSCH DT SERIES
- UNITS:
- EACH
- PRODUCT NAME:
- WIRING CONNECTOR
- TYPE:
- WITH CLIP
- COLOR/FINISH:
- BLACK
- CONNECTOR GENDER:
- MALE
- RIDING STYLE:
- STREET
$11.95 -
NAMZ Deutsch Plug - 12 Pin - Gray DP-12G
NAMZ
$15.95Building reliable wiring harnesses demands connectors that match OEM standards for durability and weatherproofing. The NAMZ Deutsch 12-pin gray plug eliminates guesswork by using the exact same components found on factory harnesses, ensuring your custom...21200061- SKU:
- 21200061
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- GRAY
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- CONNECTOR GENDER:
- MALE
- TYPE:
- WITH CLIP
- CONNECTOR PIN COUNT:
- 12 PINS
- CONNECTOR TYPE:
- DEUTSCH DT SERIES
$15.95 -
NAMZ Deutsch Plug - 12 Pin - Black DP-12B
NAMZ
$15.95If you're building or repairing wiring harnesses, you need connectors that match OEM reliability without the OEM price tag. The NAMZ Deutsch 12-pin plug delivers factory-grade construction with a silicon rubber seal that actively resists moisture and...21200062- SKU:
- 21200062
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WIRING CONNECTOR
- UNITS:
- EACH
- CONNECTOR PIN COUNT:
- 12 PINS
- CONNECTOR TYPE:
- DEUTSCH DT SERIES
- TYPE:
- WITH CLIP
- CONNECTOR GENDER:
- MALE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
$15.95 -
NAMZ Deutsch Builder Kit - Black NDC-BKB
NAMZ
$457.95If you're building custom wiring harnesses or doing any serious electrical work on your race car or project vehicle, organizing your Deutsch connectors is non-negotiable. This builder kit eliminates the frustration of loose pins and plugs scattered...21200075- SKU:
- 21200075
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- SET
- CONNECTOR TYPE:
- DEUTSCH
- PRODUCT NAME:
- CONNECTOR KIT
- TYPE:
- QUICK-DISCONNECT
$457.95 -
NAMZ Multi-Lock Builders Kit NAC-BKO
NAMZ
$262.95If you're building or rewiring a Harley-Davidson electrical system, having the correct connectors on hand isn't optional—it's essential. The NAMZ Multi-Lock Builders Kit gives you the factory-standard AMP connectors that have proven themselves across...21200181- SKU:
- 21200181
- Availability:
- Ships Same Business Day
- Weight:
- 1.52 LBS
- CONNECTOR PIN COUNT:
- -
- CONNECTOR GENDER:
- MALE
- PRODUCT NAME:
- CONNECTOR KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- CONNECTOR GENDER:
- FEMALE
- UNITS:
- KIT
- CONNECTOR TYPE:
- AMP MULTI-LOCK
$262.95 -
NAMZ Replacement Cap Connectors 2-Position - 5PK 2120-0182
NAMZ
$7.95Factory Harley-Davidson connectors degrade over time, leading to intermittent electrical gremlins that are notoriously difficult to diagnose. The NAMZ 2-Position Replacement Cap Connectors give you OEM-equivalent reliability with fresh terminals and...21200182- SKU:
- 21200182
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- CONNECTOR TYPE:
- AMP MULTI-LOCK
- CONNECTOR PIN COUNT:
- 2 PINS
- PRODUCT NAME:
- CAP CONNECTOR
- COLOR/FINISH:
- BLACK
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$7.95 -
NAMZ Replacement Cap Connectors 3-Position - 5PK 2120-0183
NAMZ
$9.95If you're restoring a Harley or maintaining factory electrical connections, you need connectors that meet OEM specifications—not aftermarket approximations. The NAMZ Replacement Cap Connectors deliver genuine AMP Multi-Lock compatibility, the exact...21200183- SKU:
- 21200183
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- CONNECTOR PIN COUNT:
- 3 PINS
- PRODUCT NAME:
- CAP CONNECTOR
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- AMP MULTI-LOCK
- UNITS:
- 5 PACK
$9.95 -
NAMZ Replacement Cap Connectors 4-Position - 5PK 2120-0184
NAMZ
$9.95If you're rebuilding Harley electrics or troubleshooting factory wiring, you need connectors that match OEM specifications exactly—and these NAMZ replacements are the genuine AMP Multi-Lock connectors that Harley has trusted since 1996. This 5-pack gives...21200184- SKU:
- 21200184
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR GENDER:
- FEMALE
- CONNECTOR TYPE:
- AMP MULTI-LOCK
- UNITS:
- 5 PACK
- PRODUCT NAME:
- CAP CONNECTOR
- COLOR/FINISH:
- BLACK
- CONNECTOR PIN COUNT:
- 4 PINS
- RIDING STYLE:
- STREET
$9.95 -
NAMZ Replacement Cap Connectors 6-Position - 5PK 2120-0185
NAMZ
$9.95When factory connectors corrode or fail, electrical gremlins follow—poor starts, intermittent ignition, and frustrating diagnostics. These genuine AMP Multi-Lock replacements restore rock-solid connections that have proven themselves on Harley-Davidson...21200185- SKU:
- 21200185
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- CONNECTOR TYPE:
- AMP MULTI-LOCK
- PRODUCT NAME:
- CAP CONNECTOR
- CONNECTOR GENDER:
- FEMALE
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- COLOR/FINISH:
- BLACK
- CONNECTOR PIN COUNT:
- 6 PINS
$9.95 -
NAMZ Replacement Cap Connectors 8-Position - 5PK 2120-0186
NAMZ
$36.95When factory connectors corrode or fail, electrical gremlins follow—misfires, dashboard warnings, and unreliable starts. These NAMZ replacement cap connectors are OEM-spec AMP Multi-Lock connectors that have been Harley's standard since 1996, so you're...21200186- SKU:
- 21200186
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- CONNECTOR TYPE:
- AMP MULTI-LOCK
- PRODUCT NAME:
- CAP CONNECTOR
- COLOR/FINISH:
- BLACK
- CONNECTOR PIN COUNT:
- 8 PINS
- RIDING STYLE:
- STREET
- CONNECTOR GENDER:
- FEMALE
- UNITS:
- 5 PACK
$36.95Qty in Cart: 0Quantity:Price:$36.95Subtotal: -
NAMZ Circuit Breaker 15A - Two-Stud Style NCB-1501
NAMZ
$8.95A reliable circuit breaker is non-negotiable for any high-performance electrical system—it's your first line of defense against catastrophic wiring failures and component damage. The NAMZ Circuit Breaker 15A delivers robust protection with a...21300095- SKU:
- 21300095
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- CIRCUIT BREAKER
- TYPE:
- TWO-STUD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- AMPS:
- 15 A
- CONNECTOR TYPE:
- THREADED
$8.95Qty in Cart: 0Quantity:Price:$8.95Subtotal: -
NAMZ Speedometer & Instrument Extension Harness - 20" NSXH-RG2
NAMZ
$78.95When you upgrade to tall risers, your stock speedometer and tachometer cluster ends up in an awkward or unreachable position. The NAMZ Speedometer & Instrument Extension Harness solves this problem by giving you the slack you need to relocate your gauges...21201148- SKU:
- 21201148
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SPEEDOMETER AND INSTRUMENT EXTENSION HARNESS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE/CABLE LENGTH IMPERIAL:
- 20'
$78.95 -
NAMZ Connector Kit - 6-Position N-OBD-II
NAMZ
$15.95If you're building a custom wiring harness or upgrading your vehicle's diagnostic capabilities, you need a reliable connector solution that matches factory OBD-II standards. The NAMZ Connector Kit provides a complete male connector and terminal assembly,...21201149- SKU:
- 21201149
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTOR KIT
- TYPE:
- OBDII
$15.95 -
NAMZ Headlight Harness N-IHAH
NAMZ
$25.95Faulty or aftermarket headlight installations often require complex rewiring that compromises reliability and aesthetics. The NAMZ Headlight Harness N-IHAH eliminates guesswork with a direct, OEM-quality connection that restores proper electrical...21201111- SKU:
- 21201111
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FOR MAKE:
- HARLEY DAVIDSON
- TYPE:
- HEADLAMP
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- WIRE HARNESS ADAPTER
$25.95 -
NAMZ Y-Harness - Indian N-IPYH
NAMZ
$25.95The NAMZ Y-Harness simplifies custom electrical integrations on Indian motorcycles by eliminating the need for splicing and soldering at factory connectors. This plug-and-play solution maintains OEM reliability while giving you the flexibility to add...21201112- SKU:
- 21201112
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- Y-HARNESS
- TYPE:
- RUNNING LIGHT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
$25.95 -
NAMZ Power Adapter Harness N-IPYH-E
NAMZ
$25.95Integrating auxiliary electrical components into your vehicle's existing wiring architecture requires a reliable interface—the NAMZ Power Adapter Harness N-IPYH-E eliminates guesswork and potential grounding issues by providing factory-quality...21201113- SKU:
- 21201113
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- WIRING ADAPTER
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- TYPE:
- PASSING LAMP
- TYPE:
- RUNNING LIGHT
- RIDING STYLE:
- STREET
$25.95 -
NAMZ Tap Harness - Front Turn Signal N-FTTH-01
NAMZ
$59.95If you're adding auxiliary lighting to your build without wanting to hack into your factory wiring, the NAMZ Tap Harness eliminates the guesswork and the risk. This plug-and-play interface taps directly into your stock front turn signal circuit,...21201114- SKU:
- 21201114
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- EACH
- FOR MAKE:
- HARLEY DAVIDSON
- TYPE:
- TURN SIGNAL
- PRODUCT NAME:
- TAP HARNESS
- RIDING STYLE:
- STREET
$59.95
