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!
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- Price
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CUSTOM DYNAMICS Wire Extension - Handlebar - Throttle-By-Wire - 4" CD-BAR-EXT-8
CUSTOM DYNAMICS
$29.95Extended handlebars demand extended controls—stock throttle-by-wire harnesses simply won't reach. This Custom Dynamics wire extension eliminates the guesswork and custom fabrication, giving you a plug-and-play solution that maintains OEM reliability and...21201177- SKU:
- 21201177
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$29.95 -
NAMZ Speaker Harness - Indian N-ISJ-P
NAMZ
$19.95Upgrading your Indian motorcycle's audio system demands the right foundation—a quality speaker harness ensures clean signal transmission and secure connections without modification to your bike's original wiring. The NAMZ Speaker Harness is engineered...21201204- SKU:
- 21201204
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal: -
NAMZ Handlebar Extension Harness 15" - Indian NHCX-IC22
NAMZ
$104.95If you're running taller aftermarket handlebars on your Indian motorcycle, the OEM harness won't cut it—you'll be left with exposed wiring and a sloppy install. The NAMZ Handlebar Extension Harness 15" gives you the extra length you need to cleanly route...21201203- SKU:
- 21201203
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$104.95 -
NAMZ T-Map Sensor Pigtail - Harley Davidson PT-NMCON-04P
NAMZ
$14.95Your Harley's engine management system depends on accurate sensor data, and a failing or corroded T-Map sensor connector will throw codes and compromise fueling precision. The NAMZ T-Map Sensor Pigtail delivers OEM-grade connectivity with sealed...21201207- SKU:
- 21201207
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$14.95 -
NAMZ Fuel Injector Connector - Rear - Harley Davidson PT-15497399
NAMZ
$8.95A failing fuel injector connector can leave you stranded or running rough, compromising your engine's precision fuel delivery. This NAMZ rear fuel injector connector is engineered to OEM specifications, ensuring reliable electrical contact and...21201208- SKU:
- 21201208
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$8.95Qty in Cart: 0Quantity:Price:$8.95Subtotal: -
NAMZ Connector - Apple CarPlay/Android Auto N-ACP-JC
NAMZ
$15.95If you're running modern infotainment upgrades in your vehicle, this NAMZ connector bridges the gap between your aftermarket head unit and OEM wiring with zero guesswork. Plug-and-play integration means no cutting, splicing, or adapter daisy-chains—just...21201209- SKU:
- 21201209
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
NAMZ T-Map Sensor Pigtail - Harley Davidson PTNHD-72406-07A
NAMZ
$14.95A faulty or corroded T-Map sensor pigtail can degrade your Harley's fuel mapping accuracy and engine response, leading to poor performance and potential tuning issues. The NAMZ T-Map Sensor Pigtail restores a clean, reliable electrical connection with...21201206- SKU:
- 21201206
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
NAMZ T-Map Sensor Connector - Harley Davidson NMCON-04P
NAMZ
$10.95A corroded or loose T-Map sensor connector can cause erratic fuel mixture readings, leading to poor throttle response and increased emissions—problems that are difficult to diagnose without proper electrical continuity. The NAMZ T-Map Sensor Connector...21201210- SKU:
- 21201210
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$10.95 -
NAMZ T-Map Sensor Connector - Harley Davidson NHD-72406-07A
NAMZ
$7.95A failed T-Map sensor connector can cause erratic fuel mapping and engine performance issues that are difficult to diagnose. This OEM-spec connector restores reliable communication between your intake air temperature sensor and engine control module,...21201211- SKU:
- 21201211
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$7.95 -
NAMZ Fuel Injector Connector - Harley Davidson ND-15497399
NAMZ
$4.95A faulty fuel injector connector can cause lean running conditions, misfires, and poor fuel economy—problems that cascade through your entire fuel management system. This OEM-specification NAMZ connector restores reliable electrical contact and ensures...21201212- SKU:
- 21201212
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$4.95 -
CUSTOM DYNAMICS Harness - Light Bar LB-HARN-V2-UNV
CUSTOM DYNAMICS
$39.95If you're running a High Power Driving Light Bar on your Harley, you need a dedicated electrical harness that isolates your lighting circuit from your bike's factory system. This CUSTOM DYNAMICS harness delivers clean, direct battery power with built-in...21201215- SKU:
- 21201215
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
$39.95 -
CUSTOM DYNAMICS Extension Harness - Front Turn Signal - 8" CD-TS-EXT-8
CUSTOM DYNAMICS
$19.95When you upgrade to custom handlebars, your OEM turn signals often end up in the wrong place—or won't reach at all. The Custom Dynamics Extension Harness solves this with straightforward, reliable wiring that lets you relocate your front turn signals...21201225- SKU:
- 21201225
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
CUSTOM DYNAMICS Extension Harness - Front Turn Signal - 12" CD-TS-EXT-12
CUSTOM DYNAMICS
$19.95When you upgrade to aftermarket handlebars, your OEM turn signal housings no longer align with your new setup—leaving you with a safety gap and incomplete installation. This Custom Dynamics extension harness solves that problem with a straightforward...21201226- SKU:
- 21201226
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
CUSTOM DYNAMICS Extension Harness - Front Turn Signal - 15" CD-TS-EXT-15
CUSTOM DYNAMICS
$19.95Upgrading your handlebars shouldn't mean sacrificing your OEM turn signals. This extension harness eliminates the need for custom wiring or splicing by simply extending your factory connections, letting you relocate signal housings wherever your new...21201227- SKU:
- 21201227
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$19.95 -
KODLIN USA Wiring Harness - Rear - LED - M8 Softail KUS11501
KODLIN USA
$69.99Custom LED installations on your M8 Softail don't need to mean cutting into your OEM harness or hunting down obscure connectors and terminals. The KODLIN USA Wiring Harness gives you a factory-quality plug-in solution that integrates directly with your...21201233- SKU:
- 21201233
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$69.99 -
KODLIN USA Wiring Harness - Rear - LED - Harley Davidson KUS11502
KODLIN USA
$69.99If you're running a touring setup without a Tour-Pak, integrating reliable rear lighting shouldn't mean fabricating custom harnesses or hacking into OEM wiring. The KODLIN USA Wiring Harness eliminates that headache with a direct plug-in solution...21201235- SKU:
- 21201235
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$69.99 -
NAMZ Harness Extension - Speedometer - Chief NICS-X15
NAMZ
$59.95If you're upgrading to taller bars, risers, or custom handlebar configurations on your Indian Chief, your stock speedometer harness won't reach. The NAMZ Harness Extension solves this with a factory-quality solution that maintains your bike's clean,...21201232- SKU:
- 21201232
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95 -
NAMZ EFI Harness - '04-'05 FLH/FLT NHD-70233-04A
NAMZ
$595.95A compromised EFI harness can leave you stranded or force expensive diagnostic work at the shop. This NAMZ replacement harness restores OEM reliability and electrical integrity to your '04-'05 FLH/FLT, eliminating the guesswork and potential misfires...21201237- SKU:
- 21201237
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$595.95 -
NAMZ 25' Cloth-Braided Wire Spool - 16 Gauge - White/Black NCBW-90
NAMZ
$39.95When you're building a custom wiring harness or restoring a classic machine, wire quality directly impacts reliability and safety. NAMZ cloth-braided wire delivers the authentic aesthetic of vintage installations while maintaining modern durability...21201270- SKU:
- 21201270
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
$39.95 -
NAMZ 25' GXL Wire Spool - 10 Gauge - Violet NGWR-710
NAMZ
$55.95Building a custom wiring harness or upgrading your vehicle's electrical system demands wire that won't fail under extreme conditions. NAMZ GXL wire delivers reliable, automotive-grade conductivity with superior insulation that handles temperature...21201283- SKU:
- 21201283
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$55.95
