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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- Qty in Cart
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- Price
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NAMZ 25' GXL Wire Spool - 12 Gauge - Violet NGWR-712
NAMZ
$45.95Reliable wiring is the foundation of any custom automotive electrical system, and undersized or substandard wire creates heat, voltage drop, and potential safety hazards. The NAMZ 25' GXL Wire Spool in 12 gauge delivers professional-grade construction...21201291- SKU:
- 21201291
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$45.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - Violet NGWR-716
NAMZ
$28.95Building a custom wiring harness or tackling an electrical upgrade demands wire that can handle temperature extremes and deliver reliable current delivery without compromise. NAMZ GXL wire delivers automotive-grade construction in a convenient 25' spool,...21201307- SKU:
- 21201307
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
$28.95 -
NAMZ 25' GXL Wire Spool - 16 Gauge - White NGWR-916
NAMZ
$28.95Reliable wiring is the foundation of any professional electrical system, whether you're building a custom harness or upgrading factory connections. NAMZ GXL wire delivers consistent performance across extreme temperature ranges, meeting strict SAE and...21201308- SKU:
- 21201308
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
$28.95 -
CUSTOM DYNAMICS Rear Fender Adapter CD-BCM-SS6
CUSTOM DYNAMICS
$39.95Swapping your rear fender shouldn't require rewiring your entire lighting harness or fabricating custom connectors. The CUSTOM DYNAMICS Rear Fender Adapter eliminates guesswork by providing a direct, plug-and-play connection between your OEM motorcycle...21201340- SKU:
- 21201340
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$39.95 -
CUSTOM DYNAMICS Run/Turn Signal Adapter - Front - '06-'13 FLH MPR-13-FTS
CUSTOM DYNAMICS
$24.95If you're upgrading your '06-'13 FLH with Custom Dynamics lighting products, you need a reliable connection point to your OEM electrical system. This adapter harness gives you direct access to run power, turn signal power, and ground—eliminating the...21201342- SKU:
- 21201342
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$24.95 -
CUSTOM DYNAMICS Run/Turn Signal Adapter - Front - '96-'05 FLHT '93-'17 Softail MPR-ST-FTS
CUSTOM DYNAMICS
$24.95If you're upgrading to Custom Dynamics lighting on your Harley, you need a reliable connection point to your OEM electrical system. This adapter harness eliminates guesswork by providing direct access to run power, turn signal circuits, and ground—the...21201343- SKU:
- 21201343
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$24.95 -
SADDLE TRAMP Amplifier Wiring Kit - Front Fairing - FLH/FLT BC-9703
SADDLE TRAMP
$48.98Installing quality amplifier wiring in your front fairing is critical for reliable power delivery and audio performance. This SADDLE TRAMP kit eliminates guesswork with pre-engineered harness solutions designed specifically for Harley-Davidson FLH and...44021015- SKU:
- 44021015
- Availability:
- Ships Same Business Day
- Weight:
- 1.44 LBS
$48.98 -
SADDLE TRAMP Wiring Harness - Front Speaker Pods - '14-'22 FLH/FLT BC-9712
SADDLE TRAMP
$21.95If you're upgrading your '14-'22 FLH/FLT with quality front speaker pods, you need a harness that matches the durability of your build—not some flimsy aftermarket connector setup prone to water damage and electrical gremlins. The SADDLE TRAMP Wiring...44021017- SKU:
- 44021017
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$21.95 -
SADDLE TRAMP Wiring Harness w/Disconnects - Front Speaker Pods - '14-'22 FLH/FLT BC-9714
SADDLE TRAMP
$29.95If you're upgrading your front speaker system on your '14-'22 FLH/FLT, a quality wiring harness is non-negotiable—poor connections lead to sound dropout, impedance issues, and premature speaker failure. The SADDLE TRAMP harness eliminates guesswork with...44021018- SKU:
- 44021018
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$29.95 -
SADDLE TRAMP Rear Audio T-Harness - '14-'22 FLHTK BC-9717
SADDLE TRAMP
$64.95If you're upgrading your '14-'22 FLHTK with aftermarket audio, factory wiring harnesses create installation headaches and potential damage to OEM components. The SADDLE TRAMP Rear Audio T-Harness eliminates guesswork by splitting inputs and outputs into...44021019- SKU:
- 44021019
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
$64.95 -
SADDLE TRAMP Accessory T-Harness - '14-'22 Touring BC-9718
SADDLE TRAMP
$9.73Installing aftermarket accessories shouldn't require cutting into your factory wiring harness—that's where the SADDLE TRAMP Accessory T-Harness comes in. This plug-and-play solution taps directly into your original 2-pin factory connectors, giving you a...44021020- SKU:
- 44021020
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$9.73 -
CUSTOM DYNAMICS Extension Harness - Throttle-By-Wire - 4" CD-ST-TBW4-HARN
CUSTOM DYNAMICS
$29.95Installing taller handlebars on a throttle-by-wire equipped bike shouldn't force you into rewiring your entire system. The Custom Dynamics Extension Harness solves this with a straightforward 4" extension that maintains factory connector integrity,...21201358- SKU:
- 21201358
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$29.95 -
CUSTOM DYNAMICS Extension Harness - Throttle-By-Wire - 8" CD-ST-TBW8-HARN
CUSTOM DYNAMICS
$29.95When upgrading to taller handlebars, your stock throttle-by-wire harness falls short—literally. This 8" extension harness bridges that gap without requiring wire splicing or modification, keeping your electrical connections factory-clean and reliable...21201359- SKU:
- 21201359
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$29.95 -
CUSTOM DYNAMICS Extension Harness - Speedometer/Instrument - 36" CD-ST-SP-HARN
CUSTOM DYNAMICS
$29.95If you're upgrading to taller handlebars on your motorcycle, your factory speedometer harness won't reach—leaving you with exposed wiring or incomplete gauge functionality. This CUSTOM DYNAMICS extension harness eliminates that problem with 36 inches of...21201360- SKU:
- 21201360
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$29.95 -
CIRO Harness - 4-Way Splitter - Front End Lighting 40093
CIRO
$32.99If you're running multiple Ciro front-end lighting fixtures, managing individual wiring harnesses becomes unnecessarily complex. This 4-way splitter consolidates your lighting circuits into a single, organized connection point, reducing installation time...21201362- SKU:
- 21201362
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$32.99 -
NAMZ Wire Harness - Tour Pak - FLHX/FLTR NCTP-SR23
NAMZ
$83.95Installing or swapping a tour pack shouldn't mean rewiring your entire electrical system. The NAMZ Wire Harness eliminates custom fabrication by delivering a complete, plug-and-play solution that connects your OEM or aftermarket tour pack in minutes. The...21201384- SKU:
- 21201384
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$83.95 -
NAMZ Tour Pak Harness - FLHX/FLTR NCTP-SR23-SM
NAMZ
$99.95Adding a tour pak to your FLHX or FLTR requires proper electrical integration to ensure all lighting functions operate correctly. This complete wiring kit eliminates guesswork by providing a plug-and-play solution that connects your bike's existing rear...21201385- SKU:
- 21201385
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$99.95 -
NAMZ Wire Harness - Speedometer - +15" - Softail NSPH-FX30
NAMZ
$66.45Custom speedometer placement is essential when you're reconfiguring your Softail's cockpit for ergonomics or aesthetics. The NAMZ +15" extension harness eliminates the guesswork of fabricating custom runs, giving you genuine OEM-quality connectivity with...21201386- SKU:
- 21201386
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$66.45 -
NAMZ Wire Harness - Handlebar/Gauge - FLHX/FLTR NCPK-01
NAMZ
$341.95A factory-quality handlebar wiring harness saves hours of custom fabrication while ensuring proper fitment and function on your FLHX or FLTR. The pre-assembled switch wiring, speedometer extension, and twist grip assembly eliminate guesswork and...21201388- SKU:
- 21201388
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$341.95 -
NAMZ Wire Harness - Speedometer/Tachometer - +15" - Softail NSTPH-FX30
NAMZ
$75.95Custom gauge placement is essential for optimal instrument visibility and cockpit ergonomics on your Softail build. This extended harness eliminates the guesswork of aftermarket gauge installation by providing pre-engineered connectivity for both...21201389- SKU:
- 21201389
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$75.95Qty in Cart: 0Quantity:Price:$75.95Subtotal:
