Best Curt Wiring Harnesses in 2026

Daisy
Last Updated: Feb 12, 2026

At a Glance: Our Top Picks for Curt Wiring Harnesses

Scosche LOC2SL Line Output Converter Adjustable Amplifier, Black & Nilight - 50004R 120 Pcs/60 Pairs Quick Splice Wire Terminals T-Tap Self-Stripping
#TOP1
Scosche Loc2Sl Line Output Converter Adjustable Amplifier, Black
9.9
PM SCORE
Scosche HA10B Compatible with Select 2006-14 Honda Vehicles Wire Harness for Aftermarket Stereo Installation with Color Coded Wires
#TOP2
Scosche Ha10B Compatible With Select 2006-14 Honda Vehicles
9.8
PM SCORE
Scosche HA08B Compatible with Select 1998-11 Honda Power/Speaker Connector / Wire Harness for Aftermarket Stereo Installation with Color Coded Wires
#TOP3
Scosche Ha08B Compatible With Select 1998-11 Honda Power/Speaker
9.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Curt Wiring Harnesses of 2026

Market Overview
Curt Wiring Harnesses Reviewed
  • Reviews Analyzed: 39558 Items
  • PM Avg. Rating: 9.3 / 10
18 Products Evaluated
  • Highest Price: $29.88
  • Lowest Price: $7.99
  • Avg. Price: $13.07

Scosche Loc2Sl Line Output Converter Adjustable Amplifier, Black & Nilight - 50004R 120 Pcs/60 Pairs Quick Splice Wire Terminals T-Tap Self-Stripping

SCOSCHE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Product 1: Speaker to RCA Converter - Converts car stereo output speaker wire to RCA connectors. This speaker wire line out converter is compatible with high power car stereos up to 90 watts per channel. Delivering premium performance without noise, static, or buzzing

Product 1: Easy Installation - Add an amplifier to nearly any stock stereo with this line out converter. Simply tap into the car audio speaker wire with snap adapters. No need to remove the car stereo. Each converter includes easy to follow instructions to simplify the installation process

Product 1: Subwoofer - This DIY speaker kit is a convenient speaker wire to subwoofer adapter. The RCA line output converter for subwoofer makes it easy to hook up to an amplifier and set up a subwoofer system in any car

Product 1: RCA Converter - Speaker level to line level converter allows the addition of 2-channel or mono amplifiers. Independent left and right channel level adjustments provide the perfect sound balance. Includes signal sensing 12V remote turn-on output

Product 2: Self-Stripping electrical tap connectors - Nilight self-stripping electrical t-tap connectors makes tapping into an existing wire a quick and easy job

Product 2: Versatile kit - 60 piece T-Tap Wire Connectors plus 60 piece; Male Quick Disconnects will last for numerous wiring projects. Marine, automotive, scientific, home wiring projects - you name it

Product 2: Thick tinned copper contacts - Thicker tinned copper contacts provide maximum conductivity and prevents the wire from shorting out efficiently

Product 2: Quality t-tap connector housing - Quick splice T-Tap connectors will securely lock on the wire. Plastic housing will not open after it has been snapped on the wire

Scosche Ha10B Compatible With Select 2006-14 Honda Vehicles Wire Harness For Aftermarket Stereo Installation With Color Coded Wires

SCOSCHE
HA10B
6.00 X 4.00 X 0.50 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Scosche Industries 9.82

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo; See Fit Guide in images to verify that your vehicle is compatible

Not compatible with factory amplified systems

Manufactured with factory quality wire and Connector / Wire Harness for Aftermarket Stereo Installation with Color Coded Wires

EIA industry standard color coded wires for an easier installation

Easy to install with no special tools required; Includes step-by-step instructions.

Backed by Scosche's Lifetime Warranty and Lifetime Tech Support.

Scosche Ha08B Compatible With Select 1998-11 Honda Power/Speaker Connector / Wire Harness For Aftermarket Stereo Installation With Color Coded Wires

SCOSCHE
HA08B
6.00 X 4.00 X 0.50 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo

Not compatible with factory amplified systems

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and Connector / Wire Harness for Aftermarket Stereo Installation with Color Coded Wires

EIA industry standard color coded wires for an easier installation

Scosche Su03B 1993-Up Subaru Power/Speaker Connector

SCOSCHE
SU03B
6.00 X 4.00 X 0.50 Inches
0.19 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo

Not compatible with factory amplified systems

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and Connector / Wire Harness for Aftermarket Stereo Installation with Color Coded Wires

Scosche Fd16B Compatible With Select 1998-2011 Ford Power/Speaker Connector / Wire Harness For Aftermarket Stereo Installation With Color Coded Wires White

SCOSCHE
FD16B
6.00 X 4.00 X 0.50 inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo

Not compatible with factory amplified systems

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and Connector / Wire Harness for Aftermarket Stereo Installation with Color Coded Wires

EIA industry standard color coded wires for an easier installation

Scosche Ha08Bcb Compatible With Select 1998-08 Honda Power/Speaker Connector / Wire Harness For Aftermarket Stereo Installation With Color Coded Wires And Pre-Installed Wire Connectors

SCOSCHE
HA08BCB
1.00 X 4.50 X 7.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo. Not compatible with factory amplified systems

Pre terminated with butt connectors to save install time

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and connectors

EIA industry standard color coded wires for an easier installation

#TOP7

Scosche Hy10B Compatible With Select 2008-14 Hyundai, Kia Power/Speaker Connector / Wire Harness For Aftermarket Stereo Installation With Color Coded Wires,Black

SCOSCHE
HY10B
6.00 X 4.00 X 0.50 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo

Not compatible with factory amplified systems

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and Connector / Wire Harness for Aftermarket Stereo Installation with Color Coded Wires

EIA industry standard color coded wires for an easier installation

Scosche Kaab Compatible With 2008-Up Select Kia / Hyundai Antenna Adapter

SCOSCHE
KAAB
8.00 X 4.20 X 0.50 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects an aftermarket stereo to the factory vehicle antenna lead

Retains AM/FM when installing a new aftermarket stereo

Direct Connection to the factory antenna lead without cutting any wires

Manufactured with factory quality wire and connectors

Backed by Scosche's Lifetime Warranty and Lifetime Tech Support

Scosche Compatible With Select 1986-20 Toyota, Lexus, Scion And Subaru Vehicles Wire Harness For Aftermarket Stereo Installation With Pre-Terminated Color Coded Wires Ta02Bcb

SCOSCHE
TA02BCB
1.00 X 4.50 X 7.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo. Not compatible with factory amplified systems

Pre terminated with butt connectors to save install time

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and connectors

EIA industry standard color coded wires for an easier installation

Scosche Ha02B Power 4-Speaker Connector For 1986-1997 Honda

SCOSCHE
HA02B
6.00 X 4.00 X 0.50 Inches
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects an aftermarket stereo to the factory radio harnesses

Not compatible with factory amplified systems

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and connectors

Standard color coded wires for an easier installation

Scosche Fdk11B Compatible With Select 2003-08 Ford Premium Sound Or Audiophile; Power/Speaker And Rca To Sub Amp Input Wire Harness / Connectors

SCOSCHE
FDK11B
6.00 X 4.00 X 0.50 Inches
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects an aftermarket stereo to the factory amplified system

Not Compatible with non-amplified factory systems

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and connectors

Standard color coded wires for an easier installation

Scosche Fd02Bcb Compatible With 1986-97 Ford Power/Speaker Connectors / Wire Harness For Aftermarket Stereo Installation With Color Coded Wires And Pre-Installed Wire Connectors

SCOSCHE
FD02BCB
1.00 X 4.50 X 7.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo. Not compatible with factory amplified systems

Pre terminated with butt connectors to save install time

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and connectors

EIA industry standard color coded wires for an easier installation

Scosche Gm02B Compatible With Select 1986-05 Gm Mini Power/Speaker Connector / Wire Harness For Aftermarket Stereo Installation With Color Coded Wires

SCOSCHE
GM02B
6.00 X 4.00 X 0.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Scosche Industries 9.82

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo

Not compatible with factory amplified systems

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and Connector / Wire Harness for Aftermarket Stereo Installation with Color Coded Wires

EIA industry standard color coded wires for an easier installation. Converts Colors To Aftermarket Standard

Scosche Nn03Bcb Compatible With Select 1995-07 Nissan Power/Speaker Connectors / Wire Harness For Aftermarket Stereo Installation With Color Coded Wires And Pre-Installed Wire Connectors

SCOSCHE
NN03BCB
1.00 X 4.50 X 7.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects to the factory stereo harnesses when installing an aftermarket stereo. Not compatible with factory amplified systems

Pre terminated with butt connectors to save install time

Direct Connection to the factory harness without cutting any wires

Manufactured with factory quality wire and connectors

EIA industry standard color coded wires for an easier installation

#TOP15

Scosche Fd3090B Compatible With Select 1995-2016 Ford, Mercury, Lincoln And Mazda Double Din & Din+Pocket Dash Kit Black

SCOSCHE
FD3090B
3.00 X 6.00 X 8.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Precision designed for a gapless fit between the dash and the Dash Kit

Color and Texture matches the factory dash

Easy to install. No special tools are required. Includes step-by-step instructions

Backed by Scosche's Lifetime Warranty and Lifetime Tech Support

Scosche Shgm03B Car Speaker Wiring Harness Connector Kit Compatible With Select 1985-Up General Motors Vehicles

SCOSCHE
SHGM03B
0.75 X 4.38 X 7.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Connects aftermarket speakers to the factory speaker harnesses

Direct Connection to the factory harness without cutting any wires

Easy to install. No special tools are required

#TOP17

Scosche Compatible With Select 2002 To 2004 Oldsmobile Bravada, 2002 To 2009 Chevrolet Trailblazer & Gmc Envoy & 2004 To 2008 Isuzu Ascender 5.25" - 6.5" Speaker Adapters (1 Pair) Sagte6

SCOSCHE
SAGTE6
3.13 X 12.50 X 17.50 Inches
0.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

UPGRADE YOUR SPEAKERS: Adapters enable you to upgrade your vehicle specific factory speakers with aftermarket speaker into the factory locations

SPEAKER COMPATIBILITY: Fits most 5.25” or 6.5” aftermarket speakers with a maximum top mount diameter of 5 1/16" (129mm). Not Compatible with Oversize 6.5" or 6.75" Speakers. See Measurements Image to verify that your speakers will fit in these adapters.

VEHICLE COMPATIBILITY: Select 2002 to 2004 Oldsmobile Bravada, 2002 to 2009 Chevrolet Trailblazer & GMC Envoy, 2004 to 2007 Buick Rainier & 2004 to 2008 Isuzu Ascender. Check Fit Guide in the images for full vehicle applications

QUALITY MATERIALS: High-grade ABS materials precision designed for a gapless fit between the speaker and the adapter providing a long lasting, secure fit

BUY WITH CONFIDENCE: Backed by Scosche's Lifetime Tech Support and Limited Lifetime Warranty

#TOP18

Xtenzi Oem Radio Reverse Wiring Harness Power Cord Compatible With Kia 1995-2001 (71-1003)

XTENZI
XT-1003-21
4.00 X 4.00 X 1.10 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
X-PERT-S USA 9.79

Features

Plugs into car OEM Radio,Power/4 Speaker 22Pin connector

Compatible with 1995 to 2001 Kia Vehicles.

Metra # 71-1003, BestKits # BHO1003 , Scosche:KAO1RB

High impact, OEM quality, ABS plastic molded connector for the perfect fit

One 20-pin connector.

Top 10 wiring harnesses Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Scosche 17
Xtenzi 1

Top 10 wiring harnesses Brands Pie Chart


We've carried out a comprehensive analysis of 39,558 reviews on wiring harnesses, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select wiring harnesses priced around $13.07, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 18 wiring harnesses for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right harnesses Products based on their needs, saving them considerable time when choosing which wiring harnesses to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.