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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
  • NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0217

    NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0217

    NAMZ

    $52.95
    Kit includes four each of the AMP and Delphi connectors, Connectors include terminal ends and wire seals, Made in the U.S.A.
    21200217
    SKU:
    21200217
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    CONNECTOR TYPE:
    DELPHI
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    COLOR/FINISH:
    GRAY
    TYPE:
    DELPHI
    CONNECTOR PIN COUNT:
    3 PINS
    PRODUCT NAME:
    WIRING CONNECTOR
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0218

    NAMZ Replacement Delphi Connectors - Harley Davidson 2120-0218

    NAMZ

    $46.95
    Kit includes four each of the AMP and Delphi connectors, Connectors include terminal ends and wire seals, Made in the U.S.A.
    21200218
    SKU:
    21200218
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    COLOR/FINISH:
    BLACK
    UNITS:
    5 PACK
    CONNECTOR PIN COUNT:
    2 PINS
    TYPE:
    DELPHI
    CONNECTOR TYPE:
    DELPHI
    PRODUCT NAME:
    WIRING CONNECTOR
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $46.95
    Subtotal:
  • NAMZ ATC-Style Fuse Holer - 4-Way NFB-01

    NAMZ ATC-Style Fuse Holer - 4-Way NFB-01

    NAMZ

    $17.95
    Standard ATC 4-way fuse holder with a clear water-tight (sealed) cover, 50-Amp max for all branches, .250 male blade (side blade insertion), Mounting holes center-to-center are 2.56", Mounting hole diameter is 7/32", Made in the U.S.A.
    21200220
    SKU:
    21200220
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    AMPS:
    50 A
    COLOR/FINISH:
    CLEAR
    CONNECTOR TYPE:
    SPADE
    CONNECTOR GENDER:
    MALE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    CONNECTOR PIN COUNT:
    8 PINS
    FEATURES:
    FUSED
    TYPE:
    ATC
    PRODUCT NAME:
    FUSE HOLDER
    $17.95
    Qty in Cart: 0
    Quantity:
    Price:
    $17.95
    Subtotal:
  • NAMZ Handlebar Wiring Extension - 8" - '07-'13 FL NHCX-MB08

    NAMZ Handlebar Wiring Extension - 8" - '07-'13 FL NHCX-MB08

    NAMZ

    $54.95
    All the items needed to successfully extend the wiring to a set of OEM H-D handlebar switches, Harnesses include both male and female Molex terminals crimped on each end, Kit includes wire heat shrink and color-matching wire, Made in the U.S.A.
    21200222
    SKU:
    21200222
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    EXTENSION WIRING KIT
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    TYPE:
    HANDLEBAR
    CONNECTOR TYPE:
    PIN
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    $54.95
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • NAMZ Fuse - Maxi - 40 Amp NF-MAX-40

    NAMZ Fuse - Maxi - 40 Amp NF-MAX-40

    NAMZ

    $3.95
    30-AMP Round AGU Fuses
    21300082
    SKU:
    21300082
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    AMPS:
    40 A
    UNITS:
    EACH
    PRODUCT NAME:
    FUSE
    RIDING STYLE:
    STREET
    TYPE:
    MAXI
    $3.95
    Qty in Cart: 0
    Quantity:
    Price:
    $3.95
    Subtotal:
  • NAMZ Fuses - ATO - 1 Amp - 5 Pack NF-ATO-1

    NAMZ Fuses - ATO - 1 Amp - 5 Pack NF-ATO-1

    NAMZ

    $4.95
    30-AMP Round AGU Fuses
    21300083
    SKU:
    21300083
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    TYPE:
    ATO
    AMPS:
    1 A
    PRODUCT NAME:
    FUSE
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • NAMZ Fuses - ATO - 3 Amp - 5 Pack NF-ATO-3

    NAMZ Fuses - ATO - 3 Amp - 5 Pack NF-ATO-3

    NAMZ

    $4.95
    30-AMP Round AGU Fuses
    21300084
    SKU:
    21300084
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    AMPS:
    3 A
    TYPE:
    ATO
    PRODUCT NAME:
    FUSE
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • NAMZ Fuses - ATO - 5 Amp - 5 Pack NF-ATO-5

    NAMZ Fuses - ATO - 5 Amp - 5 Pack NF-ATO-5

    NAMZ

    $4.95
    30-AMP Round AGU Fuses
    21300085
    SKU:
    21300085
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    AMPS:
    5 A
    PRODUCT NAME:
    FUSE
    RIDING STYLE:
    STREET
    TYPE:
    ATO
    UNITS:
    5 PACK
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • NAMZ Fuses - Mini - 2 Amp - 5 Pack NF-MIN-2

    NAMZ Fuses - Mini - 2 Amp - 5 Pack NF-MIN-2

    NAMZ

    $6.95
    30-AMP Round AGU Fuses
    21300088
    SKU:
    21300088
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    AMPS:
    2 A
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    FUSE
    TYPE:
    MINI
    UNITS:
    5 PACK
    $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • NAMZ Fuses - Mini - 5 Amp - 5 Pack NF-MIN-5

    NAMZ Fuses - Mini - 5 Amp - 5 Pack NF-MIN-5

    NAMZ

    $6.95
    30-AMP Round AGU Fuses
    21300089
    SKU:
    21300089
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    FUSE
    UNITS:
    5 PACK
    RIDING STYLE:
    STREET
    AMPS:
    5 A
    TYPE:
    MINI
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • NAMZ Circuit Breaker 10A - Dual- Spade Style NCB-MR10

    NAMZ Circuit Breaker 10A - Dual- Spade Style NCB-MR10

    NAMZ

    $16.95
    Made in the U.S.A.
    21300091
    SKU:
    21300091
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    AMPS:
    10 A
    UNITS:
    EACH
    PRODUCT NAME:
    CIRCUIT BREAKER
    CONNECTOR TYPE:
    DUAL-SPADE
    TYPE:
    SPADE
    RIDING STYLE:
    STREET
    $16.95
    Qty in Cart: 0
    Quantity:
    Price:
    $16.95
    Subtotal:
  • NAMZ Circuit Breaker 20A - Dual-Spade Style NCB-MR20

    NAMZ Circuit Breaker 20A - Dual-Spade Style NCB-MR20

    NAMZ

    $16.95
    Made in the U.S.A.
    21300093
    SKU:
    21300093
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    CIRCUIT BREAKER
    AMPS:
    20 A
    CONNECTOR TYPE:
    DUAL-SPADE
    RIDING STYLE:
    STREET
    TYPE:
    SPADE
    UNITS:
    EACH
    $16.95
    Qty in Cart: 0
    Quantity:
    Price:
    $16.95
    Subtotal:
  • NAMZ Circuit Breaker 10A - Two-Stud Style NCB-1001

    NAMZ Circuit Breaker 10A - Two-Stud Style NCB-1001

    NAMZ

    $8.95
    Made in the U.S.A.
    21300094
    SKU:
    21300094
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    CIRCUIT BREAKER
    CONNECTOR TYPE:
    THREADED
    RIDING STYLE:
    STREET
    TYPE:
    TWO-STUD
    AMPS:
    10 A
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • NAMZ Deutsch Seal - 4 Position DP-4S

    NAMZ Deutsch Seal - 4 Position DP-4S

    NAMZ

    $4.95
    Connector seal
    21201011
    SKU:
    21201011
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    CONNECTOR TYPE:
    DEUTSCH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    UNITS:
    5 PACK
    CONNECTOR PIN COUNT:
    4 PINS
    PRODUCT NAME:
    WIRING CONNECTOR SEAL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    WATERCRAFT
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • NAMZ Deutsch Seal - 6 Position DP-6S

    NAMZ Deutsch Seal - 6 Position DP-6S

    NAMZ

    $4.95
    Connector seal
    21201012
    SKU:
    21201012
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    WATERCRAFT
    CONNECTOR PIN COUNT:
    6 PINS
    PRODUCT NAME:
    WIRING CONNECTOR SEAL
    RIDING STYLE:
    OFF-ROAD
    CONNECTOR TYPE:
    DEUTSCH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    UNITS:
    5 PACK
    RIDING STYLE:
    ATV
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • NAMZ Extruded Tubing - 1/4" X8' - Black NETR-014

    NAMZ Extruded Tubing - 1/4" X8' - Black NETR-014

    NAMZ

    $12.95
    Black wire loom just like the factory uses, but a little more rigid, Perfect for fishing wires in a repair or new installation, Durable, non-shrinkable with a satin finish
    21201014
    SKU:
    21201014
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    DIAMETER METRIC:
    6 MM
    RIDING STYLE:
    WATERCRAFT
    COLOR/FINISH:
    BLACK
    MATERIAL:
    PVC
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    WIRE GAUGE:
    -
    PRODUCT NAME:
    SLEEVE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WIRING HARNESS
    UNITS:
    EACH
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • NAMZ Extruded Tubing - 5/16" X8' - Black NETR-516

    NAMZ Extruded Tubing - 5/16" X8' - Black NETR-516

    NAMZ

    $12.95
    Black wire loom just like the factory uses, but a little more rigid, Perfect for fishing wires in a repair or new installation, Durable, non-shrinkable with a satin finish
    21201015
    SKU:
    21201015
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MATERIAL:
    PVC
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    WATERCRAFT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    STREET
    RIDING STYLE:
    UTV
    WIRE GAUGE:
    -
    DIAMETER METRIC:
    7.9 MM
    PRODUCT NAME:
    SLEEVE
    RIDING STYLE:
    ATV
    TYPE:
    WIRING HARNESS
    UNITS:
    EACH
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • NAMZ Extruded Tubing - 1/2" X8' - Black NETR-012

    NAMZ Extruded Tubing - 1/2" X8' - Black NETR-012

    NAMZ

    $15.95
    Black wire loom just like the factory uses, but a little more rigid, Perfect for fishing wires in a repair or new installation, Durable, non-shrinkable with a satin finish
    21201016
    SKU:
    21201016
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    SLEEVE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    UTV
    RIDING STYLE:
    WATERCRAFT
    TYPE:
    WIRING HARNESS
    WIRE GAUGE:
    -
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    MATERIAL:
    PVC
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    DIAMETER METRIC:
    12.7 MM
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • NAMZ Extruded Tubing - 3/4" X8' - Black NETR-034

    NAMZ Extruded Tubing - 3/4" X8' - Black NETR-034

    NAMZ

    $20.95
    Black wire loom just like the factory uses, but a little more rigid, Perfect for fishing wires in a repair or new installation, Durable, non-shrinkable with a satin finish
    21201017
    SKU:
    21201017
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    DIAMETER METRIC:
    19.1 MM
    RIDING STYLE:
    SNOW
    RIDING STYLE:
    WATERCRAFT
    COLOR/FINISH:
    BLACK
    MATERIAL:
    PVC
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SLEEVE
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WIRING HARNESS
    UNITS:
    EACH
    WIRE/CABLE LENGTH IMPERIAL:
    8'
    RIDING STYLE:
    UTV
    WIRE GAUGE:
    -
    $20.95
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • NAMZ Wiring Harness - '99-'03 XL NHD-70153-99

    NAMZ Wiring Harness - '99-'03 XL NHD-70153-99

    NAMZ

    $363.95
    OE color-matching harness with ALL OE connectors pre-installed, Fuse block holds a full size, commonly available & replaceable starter relay and (3) ATO fuses, A 30-Amp circuit breaker is installed and is ready for any regulator/charging system, 100%...
    21201018
    SKU:
    21201018
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    PRODUCT NAME:
    WIRE HARNESS AND RELAY KIT
    RIDING STYLE:
    STREET
    TYPE:
    COMPLETE
    FOR MAKE:
    HARLEY DAVIDSON
    UNITS:
    KIT
    $363.95
    Qty in Cart: 0
    Quantity:
    Price:
    $363.95
    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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