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Wiring Group

Wiring Group

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

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
  • CIRO Wire Extensions 8" - Pair 41025

    CIRO Wire Extensions 8" - Pair 41025

    CIRO

    $16.99
    Works with Ciro rear end lighting accessories that utilize a 4-wire system.
    21200932
    SKU:
    21200932
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    UNITS:
    PAIR
    CONNECTOR PIN COUNT:
    4 PINS
    MODEL:
    SHOCK & AWE
    PRODUCT NAME:
    WIRE HARNESS EXTENSION
    TYPE:
    LED ACCENT LIGHTING KIT
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    RIDING STYLE:
    STREET
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • CUSTOM DYNAMICS Adapter Harness - Rear Fender CD-HARN-F-SS6

    CUSTOM DYNAMICS Adapter Harness - Rear Fender CD-HARN-F-SS6

    CUSTOM DYNAMICS

    $39.95
    Plugs into OEM motorcycle wire harness under the seat to mate with OEM rear lighting harness with '10-'13 Street Glide (FLHX) or Road Glide Custom (FLTRX) rear fender conversion, Plug and play rear fender swap
    21201152
    SKU:
    21201152
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    TYPE:
    REAR FENDER
    PRODUCT NAME:
    WIRE HARNESS ADAPTER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    FOR MAKE:
    HARLEY DAVIDSON
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • CUSTOM DYNAMICS Adapter Harness - Rear Fender CD-HARN-F-BCM

    CUSTOM DYNAMICS Adapter Harness - Rear Fender CD-HARN-F-BCM

    CUSTOM DYNAMICS

    $39.95
    Plugs into OEM motorcycle wire harness under the seat to mate with OEM rear lighting harness on newer model rear fender, Plug and play rear fender swap
    21201151
    SKU:
    21201151
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    WIRE HARNESS ADAPTER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    REAR FENDER
    FOR MAKE:
    HARLEY DAVIDSON
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • CUSTOM DYNAMICS Endcap - 7 Pack PG-CAP

    CUSTOM DYNAMICS Endcap - 7 Pack PG-CAP

    CUSTOM DYNAMICS

    $6.95
    3 Loop Caps for completing the end of each channel for ProGLOW™ light strips, 4 Dummy Caps for waterproofing
    21201106
    SKU:
    21201106
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    END CAP
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • CUSTOM DYNAMICS Y-Splitter - 7" - 3-Way Splitter PG-TRI-7

    CUSTOM DYNAMICS Y-Splitter - 7" - 3-Way Splitter PG-TRI-7

    CUSTOM DYNAMICS

    $18.95
    Use with ProGlow™ accent lighting to achieve ideal lengths for flawless placement and installation on any 12 VDC vehicle, Watertight plug and play connectors
    21201105
    SKU:
    21201105
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    WIRE
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    TYPE:
    3-WAY SPLITTER
    WIRE/CABLE LENGTH IMPERIAL:
    7'
    $18.95
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • CUSTOM DYNAMICS Y-Splitter - 14" PG-Y-14

    CUSTOM DYNAMICS Y-Splitter - 14" PG-Y-14

    CUSTOM DYNAMICS

    $12.95
    Use with ProGlow™ accent lighting to achieve ideal lengths for flawless placement and installation on any 12 VDC vehicle, Watertight plug and play connectors
    21201104
    SKU:
    21201104
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    Y SPLITTER
    WIRE/CABLE LENGTH IMPERIAL:
    14'
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WIRE
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • CUSTOM DYNAMICS Y-Splitter - 7" PG-Y-7

    CUSTOM DYNAMICS Y-Splitter - 7" PG-Y-7

    CUSTOM DYNAMICS

    $11.95
    Use with ProGlow™ accent lighting to achieve ideal lengths for flawless placement and installation on any 12 VDC vehicle, Watertight plug and play connectors
    21201103
    SKU:
    21201103
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    TYPE:
    Y SPLITTER
    WIRE/CABLE LENGTH IMPERIAL:
    7'
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WIRE
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • CUSTOM DYNAMICS Wire Extension - 44" - 5-Way Splitter PG-EXT-44

    CUSTOM DYNAMICS Wire Extension - 44" - 5-Way Splitter PG-EXT-44

    CUSTOM DYNAMICS

    $12.95
    Use with ProGlow™ accent lighting to achieve ideal lengths for flawless placement and installation on any 12 VDC vehicle, Watertight plug and play connectors
    21201102
    SKU:
    21201102
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    WIRE
    RIDING STYLE:
    STREET
    TYPE:
    EXTENSION
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    WIRE/CABLE LENGTH IMPERIAL:
    44'
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • CUSTOM DYNAMICS Wire Extension - 24" PG-EXT-24

    CUSTOM DYNAMICS Wire Extension - 24" PG-EXT-24

    CUSTOM DYNAMICS

    $6.95
    Use with ProGlow™ accent lighting to achieve ideal lengths for flawless placement and installation on any 12 VDC vehicle, Watertight plug and play connectors
    21201101
    SKU:
    21201101
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    WIRE
    TYPE:
    EXTENSION
    WIRE/CABLE LENGTH IMPERIAL:
    24'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • CUSTOM DYNAMICS Wire Extension - 6" PG-EXT-6

    CUSTOM DYNAMICS Wire Extension - 6" PG-EXT-6

    CUSTOM DYNAMICS

    $6.95
    Use with ProGlow™ accent lighting to achieve ideal lengths for flawless placement and installation on any 12 VDC vehicle, Watertight plug and play connectors
    21201099
    SKU:
    21201099
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WIRE
    RIDING STYLE:
    STREET
    WIRE/CABLE LENGTH IMPERIAL:
    6'
    TYPE:
    EXTENSION
    UNITS:
    KIT
    $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • CUSTOM DYNAMICS Harness - Rear Speakers - Tour-Pak CD-HARN-TP-2

    CUSTOM DYNAMICS Harness - Rear Speakers - Tour-Pak CD-HARN-TP-2

    CUSTOM DYNAMICS

    $45.95
    Provides connections to OEM 16-port flat audio connector to power left & right rear speakers, Wiring harness for installation under the front fairing with extended 90” 18 AWG wires to route under the tank and back to the rear speakers on the added OEM...
    21201098
    SKU:
    21201098
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    WIRING HARNESS
    TYPE:
    REAR SPEAKER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    COLOR/FINISH:
    BLUE
    FOR MAKE:
    HARLEY DAVIDSON
    $45.95
    Qty in Cart: 0
    Quantity:
    Price:
    $45.95
    Subtotal:
  • CUSTOM DYNAMICS Power Harness - Tour-Pak CD-HARN-TP-1

    CUSTOM DYNAMICS Power Harness - Tour-Pak CD-HARN-TP-1

    CUSTOM DYNAMICS

    $54.95
    Provides connections to OEM 5-pin Tour Pak lighting assembly, side arm Tour-Pak marker lights and charging port found on factory 2014-2021 Harley-Davidson Tour-Pak, Plug and play
    21201097
    SKU:
    21201097
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    WIRING HARNESS
    UNITS:
    EACH
    FOR MAKE:
    HARLEY DAVIDSON
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    $54.95
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • CUSTOM DYNAMICS Harness - Taillight TL-99-INT-HARN

    CUSTOM DYNAMICS Harness - Taillight TL-99-INT-HARN

    CUSTOM DYNAMICS

    $24.95
    Provides turn signal power to rear taillight assembly for compatibility of any Custom Dynamics® or ProBEAM® integrated LED taillight, For all '99 and earlier Harley-Davidson models with integrated taillight assembly, Plug-and-play
    21201074
    SKU:
    21201074
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    FOR MAKE:
    HARLEY DAVIDSON
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    TAILLIGHT
    UNITS:
    EACH
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • CUSTOM DYNAMICS TriBar Eliminator Harness - Harley Davidson TRI3-ELIM-HARN

    CUSTOM DYNAMICS TriBar Eliminator Harness - Harley Davidson TRI3-ELIM-HARN

    CUSTOM DYNAMICS

    $32.95
    Remove the factory TriBar with this plug and play pass through harness, Eliminates the TriBar light at the bottom of the stock fender and provides power to rear turn signal bar, 8: Pass through wire length, Plug and Play
    21201039
    SKU:
    21201039
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    EXTENSION
    UNITS:
    EACH
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • CUSTOM DYNAMICS TriBar Eliminator Harness - Harley Davidson TRI2-ELIM-HARN

    CUSTOM DYNAMICS TriBar Eliminator Harness - Harley Davidson TRI2-ELIM-HARN

    CUSTOM DYNAMICS

    $32.95
    Remove the factory TriBar with this plug and play pass through harness, Eliminates the TriBar light at the bottom of the stock fender and provides power to rear turn signal bar, 8: Pass through wire length, Plug and Play
    21201038
    SKU:
    21201038
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    EXTENSION
    UNITS:
    EACH
    $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • CUSTOM DYNAMICS BCM Plug Extension CD-BCM-PLUG-EXT

    CUSTOM DYNAMICS BCM Plug Extension CD-BCM-PLUG-EXT

    CUSTOM DYNAMICS

    $15.95
    This extension harness plugs into the 3 pin accessory ports on the MPR Adapter Harness, Allows for 3 separate Custom Dynamics® plug & play lighting products to run
    21201026
    SKU:
    21201026
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    EXTENSION
    UNITS:
    EACH
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • CUSTOM DYNAMICS Harness Extension - Smart 3-Play CD-TPU-EXT

    CUSTOM DYNAMICS Harness Extension - Smart 3-Play CD-TPU-EXT

    CUSTOM DYNAMICS

    $15.95
    Accessory Extension Harness for SMART Triple Play®, Accommodates 3 Custom Dynamics® products to function as run, brake, & turn with the use of the SMART Triple Play® (sold separately)
    21200976
    SKU:
    21200976
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    STREET
    POWER CONNECTION TYPE:
    CONNECTING HARNESS
    UNITS:
    PAIR
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    WIRE HARNESS
    TYPE:
    EXTENSION
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • CUSTOM DYNAMICS 4-Pin Trailer Wire Harness - Universal CD-TRAILER-HARN

    CUSTOM DYNAMICS 4-Pin Trailer Wire Harness - Universal CD-TRAILER-HARN

    CUSTOM DYNAMICS

    $7.95
    Provides plug and play wire hook-up to any 4-way flat trailer plug., Extended 50" wire leads provide easy hook up for run, brake, and turn signal functions utilizing heavy duty 14 gauge wire for long lasting durability.
    21200929
    SKU:
    21200929
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    WIRING HARNESS KIT
    RIDING STYLE:
    UTV
    TYPE:
    TRAILER HITCH
    UNITS:
    KIT
    $7.95
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • CUSTOM DYNAMICS Wiring Harness - Harley Davidson RKINSTALL

    CUSTOM DYNAMICS Wiring Harness - Harley Davidson RKINSTALL

    CUSTOM DYNAMICS

    $12.95
    Wiring kit for LED fender tips
    21200887
    SKU:
    21200887
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    WIRE/CABLE LENGTH IMPERIAL:
    12'
    RIDING STYLE:
    STREET
    TYPE:
    MARKER LIGHT
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    PRODUCT NAME:
    WIRE KIT
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • CUSTOM DYNAMICS Passing Lamp Control Harness - Harley Davidson TB-PLHLK-2

    CUSTOM DYNAMICS Passing Lamp Control Harness - Harley Davidson TB-PLHLK-2

    CUSTOM DYNAMICS

    $19.95
    Allow passing lamps to remain on when headlamp is switched to high beam, Made in the U.S.A.
    21200870
    SKU:
    21200870
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    INCLUDES TERMINAL ENDS
    MODEL:
    TRUBEAM®
    PRODUCT NAME:
    WIRING HARNESS
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    PASSING LAMP
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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