New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Electrical - Lights & Accessories - Harnesses/Adaptor

109 products
Powersport Superstore is your go-to source for Electrical - Lights & Accessories - Harnesses/Adaptor and related parts. Shop our unbeatable selection of Harnesses/Adaptor with top-tier service, fast shipping, and great prices.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
Thunder Heart Performance EA4250D-C D Model Electronic Controller with Ribbon Cable for Indicator Lights
$369.95
$369.95
Compact design makes it easy to hide on a custom motorcycle. Perform all fuse, relay and signal-canceling functions in one simple package. Allow a dual-filament bulb to be used in three ways: tail,...
Rivco Products LED-130A H4 to H9/H11 Adapter Harness
$37.80
$37.80
H-4-style wire harness available for 14-19 FLHT models.Vehicle Fitment:2018-2020 Harley Davidson FLHR Road King 2018-2020 Harley Davidson FLHRXS Road King Special 2019-2020 Harley Davidson FLHT Ele...
8% Off
Blazer International 195CWL637 Single Light Mounting Bracket - 1 3/4in. Dia.
$22.26
$22.26
$24.29
Single light mounting bracket for round stock (roll-bar, push bumper, racks, etc.). Powder coated steel. Easy installation. Comes with mounting hardware and padding. Mount can be rotated 3deg. Blac...
Spi SM-01651 Diode - Wire Harnesses
$12.47
$12.47
OEM # 0430-034. Diode - Wire Harnesses.Vehicle Fitment:2016 Arctic Cat M 6000 Limited 153 2017 Arctic Cat M 6000 SE ES 141 2017 Arctic Cat M 6000 SE ES 153 2016 Arctic Cat M 6000 Sno Pro 141 2016 ...
Custom Dynamics MPR-SS6 Plasma Rod Brake Light Adapter
$38.28
$38.28
Quick plug-and-play adapters allow you to add additional running lights, turn signals and/or brake lights without touching stock wires. No cutting or splicing which makes the adapter simple to inst...
Custom Dynamics PDC4 Plasma Rod Dual Converter - 12in.-14in.
$17.63
$17.63
Plasma Rod Brake/Running Light Adapter. Quick plug-and-play adapters allow you to add additional running lights, turn signals and/or brake lights without touching stock wires. No cutting or splicin...
Custom Dynamics PDC3 Plasma Rod Dual Converter - 8in.
$17.52
$17.52
Plasma Rod Brake/Running Light Adapter. Quick plug-and-play adapters allow you to add additional running lights, turn signals and/or brake lights without touching stock wires. No cutting or splicin...
Custom Dynamics H4-TOUR-ADPT LED Headlamp Adapter
$29.06
$29.06
Required when replacing the stock dual halogen headlamps with a LED headlamp or any other H4 based headlamp.Vehicle Fitment:2014-2022 Harley Davidson FLHR Road King 2017-2024 Harley Davidson FLHRXS...
Custom Dynamics TB-PLHLK-1 Passing Lamp Control Harness
$34.03
$34.03
Allow passing lamps to remain on when headlamp is switched to high beam. Made in the USA.Vehicle Fitment:1998-2009 Harley Davidson FLHT Electra Glide Standard 1998-2005 Harley Davidson FLHTC Electr...
Custom Dynamics T2DC1 Truflex II Flexible LED Dual Converter for 40 LED
$17.63
$17.63
Description: For 40 LED. Dual converters.
Custom Dynamics T2DC2 Truflex II Flexible LED Dual Converter for 65 LED
$17.63
$17.63
Description: For 65 LED. Dual converters.
Custom Dynamics PB-IPLA Probeam Passing Lamp Adapters
$35.23
$35.23
Plug-and-play passing lamp adapters are required when installing Custom Dynamics ProBEAM 4.5in. LED passing lamps. Sold in pairs.Vehicle Fitment:2015-2020 Indian Chief Vintage 2015-2018 Indian Chie...
Custom Dynamics CD-STTL-HARN Integrated Taillight Harness
$53.68
$53.68
Provides turn signal power to rear taillight assembly for compatibility of Custom Dynamics ProBEAM Integrated LED taillights. Plug-and-play technology.Vehicle Fitment:2018-2020 Harley Davidson FXLR...
Custom Dynamics TL-LRST-ADPT Run/Brake Taillight Adapter
$19.61
$19.61
Compatible with Custom Dynamics or ProBEAM LED taillights (sold separately) with running light & brake light functions only. Plug and play. Not compatible with integrated taillights with built ...
Custom Dynamics LB-HARN-V2-UNV Light Bar Harness
$46.76
$46.76
Equipped with terminal connectors for direct hookup to battery power. On/off switch. Short circuit protection. Terminal overload protection. No current draw from run/aux circuits. Plug and play.
Custom Dynamics CD-TP-QD-SS6 Quick Disconnect For Tour-Pak
$48.41
$48.41
Provides convenient plug-and-play connection of OEM or add-on Tour-Pak. Provides accessible connector for easy removal of Tour-Pak. Sold each.Vehicle Fitment:2010-2013 Harley Davidson FLHX Street G...
Custom Dynamics CD-JAE-EXT MPR Extension Harness for Jae 4-Pin Plug and Play
$44.01
$44.01
Allows for three Custom Dynamics lighting accessories. Compatible with dual color and sequential plug-and-play products. Plug-and-play technology. Sold in pairs.
Custom Dynamics TRI3-ELIM-HARN Tribar Eliminator Harnesses
$41.01
$41.01
Eliminate the TriBar light at the bottom of the stock fender (OEM PART #s 69375-10 or 59600008). Provide power to rear turn signal bar. Plug-and-play.Vehicle Fitment:2014-2022 Harley Davidson FLHR ...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle