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 25' GXL Wire Spool - 12 Gauge - Orange NGWR-312
NAMZ
$45.95Clean wiring is the foundation of any reliable electrical system, whether you're building a custom harness or upgrading factory circuits. This NAMZ 25' spool gives you premium-grade automotive wire in a manageable length, eliminating the waste of bulk...21201288- SKU:
- 21201288
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MATERIAL:
- POLYETHYLENE
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- COPPER
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE GAUGE:
- 12 AWG
$45.95 -
NAMZ 25' GXL Wire Spool - 12 Gauge - Yellow NGWR-412
NAMZ
$45.95Reliable wiring is non-negotiable in performance builds—a single point of failure can sideline your entire project. The NAMZ 25' GXL Wire Spool delivers SAE-certified automotive-grade construction with cross-linked polyethylene insulation, ensuring...21201289- SKU:
- 21201289
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MATERIAL:
- COPPER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE GAUGE:
- 12 AWG
- COLOR/FINISH:
- YELLOW
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$45.95 -
NAMZ 25' GXL Wire Spool - 12 Gauge - Blue NGWR-612
NAMZ
$45.95Reliable wiring is the foundation of any properly functioning electrical system, whether you're building a custom harness or upgrading existing circuits. NAMZ GXL wire delivers the durability and temperature stability you need in performance...21201290- SKU:
- 21201290
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MATERIAL:
- COPPER
- UNITS:
- EACH
- WIRE GAUGE:
- 12 AWG
- COLOR/FINISH:
- BLUE
- MATERIAL:
- POLYETHYLENE
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
$45.95 -
NAMZ 25' GXL Wire Spool - 14 Gauge - Yellow NGWR-414
NAMZ
$35.95Reliable wiring is the foundation of any professional electrical system, whether you're building a custom harness, upgrading factory components, or troubleshooting a complex circuit. NAMZ GXL wire delivers SAE-spec quality with cross-linked polyethylene...21201297- SKU:
- 21201297
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- YELLOW
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- MATERIAL:
- COPPER
- UNITS:
- EACH
- WIRE GAUGE:
- 14 AWG
$35.95 -
NAMZ 25' GXL Wire Spool - 14 Gauge - Blue NGWR-614
NAMZ
$35.95Reliable wiring is foundational to any performance build—whether you're upgrading your electrical system, installing auxiliary components, or rewiring a custom harness. NAMZ GXL wire delivers the durability and thermal stability you need in high-heat...21201298- SKU:
- 21201298
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE GAUGE:
- 14 AWG
- MATERIAL:
- COPPER
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- MATERIAL:
- POLYETHYLENE
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$35.95 -
NAMZ 25' GXL Wire Spool - 14 Gauge - Violet NGWR-714
NAMZ
$35.95Whether you're building a custom harness for your race car, upgrading your automotive electrical system, or fabricating bespoke wiring solutions, reliable wire is non-negotiable. NAMZ GXL wire delivers the durability and temperature stability required in...21201299- SKU:
- 21201299
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- VIOLET
- MATERIAL:
- COPPER
- UNITS:
- EACH
- WIRE GAUGE:
- 14 AWG
$35.95 -
NAMZ 25' GXL Wire Spool - 14 Gauge - White NGWR-914
NAMZ
$35.95When you're building or rewiring a custom harness, you need wire that won't fail under heat, vibration, or extreme temperatures. NAMZ GXL wire delivers the reliability of automotive-grade construction without the guesswork—it's engineered to handle...21201300- SKU:
- 21201300
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- MATERIAL:
- COPPER
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- WHITE
- MATERIAL:
- POLYETHYLENE
- WIRE GAUGE:
- 14 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$35.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - Black NGWR-016
NAMZ
$28.95Quality wiring is the foundation of any reliable electrical system, whether you're building a custom harness, upgrading your ignition system, or repairing critical circuits. NAMZ GXL wire delivers OEM-grade construction with cross-linked polyethylene...21201301- SKU:
- 21201301
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MATERIAL:
- COPPER
- UNITS:
- EACH
- WIRE GAUGE:
- 16 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- BLACK
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
NAMZ 25' GXL Wire Spool - 12 Gauge - White NGWR-912
NAMZ
$45.95Reliable wiring is the foundation of any custom automotive electrical system, and cutting corners here compromises both performance and safety. This NAMZ 25' GXL wire spool delivers SAE-certified, automotive-grade insulation with excellent temperature...21201292- SKU:
- 21201292
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MATERIAL:
- COPPER
- WIRE GAUGE:
- 12 AWG
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- WHITE
- UNITS:
- EACH
$45.95 -
NAMZ 25' GXL Wire Spool - 14 Gauge - Black NGWR-014
NAMZ
$35.95When you're building a custom wiring harness or retrofitting electrical components, wire quality directly impacts reliability and performance. NAMZ GXL wire delivers automotive-grade construction with cross-linked polyethylene insulation that handles...21201293- SKU:
- 21201293
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- MATERIAL:
- COPPER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- WIRE GAUGE:
- 14 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$35.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - Red NGWR-216
NAMZ
$28.95Reliable wiring is the foundation of any high-performance electrical system—whether you're building a custom harness, upgrading factory circuits, or integrating aftermarket components. NAMZ GXL wire delivers consistent conductivity and durability across...21201303- SKU:
- 21201303
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MATERIAL:
- COPPER
- UNITS:
- EACH
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- WIRE GAUGE:
- 16 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
$28.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - Orange NGWR-316
NAMZ
$28.95Reliable wiring is the foundation of any custom automotive electrical system, whether you're building a race harness or upgrading stock components. NAMZ GXL wire delivers professional-grade construction with cross-linked polyethylene insulation that...21201304- SKU:
- 21201304
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- COPPER
- UNITS:
- EACH
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE GAUGE:
- 16 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
$28.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - Yellow NGWR-416
NAMZ
$28.95When you're building or restoring a custom harness, wire quality directly impacts reliability and safety. NAMZ GXL wire delivers automotive-grade construction with cross-linked polyethylene insulation that resists heat, moisture, and abrasion—critical...21201305- SKU:
- 21201305
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- COLOR/FINISH:
- YELLOW
- MATERIAL:
- POLYETHYLENE
- PRODUCT NAME:
- BULK WIRE
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- MATERIAL:
- COPPER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE GAUGE:
- 16 AWG
$28.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - Blue NGWR-616
NAMZ
$28.95When you're building a custom harness or rewiring a race engine, you need wire that handles extreme temperatures and won't degrade under underhood conditions. NAMZ GXL wire delivers the reliability of automotive-grade insulation with the flexibility for...21201306- SKU:
- 21201306
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- POLYETHYLENE
- WIRE GAUGE:
- 16 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 25'
- MATERIAL:
- COPPER
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$28.95 -
NAMZ 100' Wire Spool - 20 Gauge - Black NWR-0-100-20
NAMZ
$32.95Clean wiring is the foundation of any reliable electrical system, whether you're running a street machine, a dedicated race car, or a custom build. This 100-foot spool of NAMZ automotive-grade hook-up wire gives you the flexibility to tackle everything...21201309- SKU:
- 21201309
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- MATERIAL:
- COPPER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
- WIRE GAUGE:
- 20 AWG
- WIRE STRIPE COLOR:
- BLACK
$32.95 -
NAMZ 100' Wire Spool - 20 Gauge - Black/Red NWR-02-100-20
NAMZ
$32.95Whether you're running a complete custom harness on your track car or patching in new circuits for forced induction management, reliable wire is non-negotiable. NAMZ's 100-foot spool gives you the quality automotive-grade conductors you need without the...21201310- SKU:
- 21201310
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- COPPER
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE STRIPE COLOR:
- RED
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- MATERIAL:
- PVC
- WIRE GAUGE:
- 20 AWG
$32.95 -
NAMZ 100' Wire Spool - 20 Gauge - Brown/Black NWR-10-100-20
NAMZ
$32.95Whether you're rewiring a custom harness, upgrading electrical systems, or tackling general automotive projects, reliable wire is non-negotiable. This NAMZ 100' spool provides the gauge, insulation quality, and temperature tolerance you need for...21201311- SKU:
- 21201311
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
- WIRE GAUGE:
- 20 AWG
- COLOR/FINISH:
- BROWN
- MATERIAL:
- COPPER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE STRIPE COLOR:
- BLACK
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
$32.95 -
NAMZ 100' Wire Spool - 20 Gauge - Pink/White NWR-109-100-20
NAMZ
$32.95Clean electrical routing and reliable connections are critical when building or upgrading your vehicle's wiring harness. NAMZ 100' wire spools give you premium automotive-grade conductor in convenient bulk lengths, eliminating the frustration of splicing...21201312- SKU:
- 21201312
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MATERIAL:
- COPPER
- MATERIAL:
- PVC
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE GAUGE:
- 20 AWG
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- COLOR/FINISH:
- PINK
- UNITS:
- EACH
- WIRE STRIPE COLOR:
- WHITE
$32.95 -
NAMZ 100' Wire Spool - 20 Gauge - Brown/Black NWR-1-100-20
NAMZ
$32.95Whether you're building a custom wiring harness, rewiring a race car, or tackling electrical restoration work, having quality wire on hand is non-negotiable. This 100' spool of 20-gauge wire gives you the length to handle multiple projects without...21201313- SKU:
- 21201313
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- MATERIAL:
- PVC
- WIRE GAUGE:
- 20 AWG
- COLOR/FINISH:
- BROWN
- MATERIAL:
- COPPER
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WIRE STRIPE COLOR:
- BLACK
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
NAMZ 100' Wire Spool - 20 Gauge - Brown/White NWR-19-100-20
NAMZ
$32.95When you're building a custom wiring harness or rewiring a race car, you need wire that won't fail under heat, vibration, or demanding electrical loads. NAMZ 100' Wire Spool delivers automotive-grade reliability with UL-certified insulation and a...21201314- SKU:
- 21201314
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- PRODUCT NAME:
- BULK WIRE
- RIDING STYLE:
- STREET
- WIRE/CABLE LENGTH IMPERIAL:
- 100'
- MATERIAL:
- PVC
- WIRE GAUGE:
- 20 AWG
- COLOR/FINISH:
- BROWN
- MATERIAL:
- COPPER
- UNITS:
- EACH
- WIRE STRIPE COLOR:
- WHITE
$32.95
