Wiring Harnesses of 2025
Best Choice1
PainlessPainless 10150 Harness 21 Circuit
Main highlights- When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing
- Upgraded ATO bladed fuses: Leave antiquated glass fuses in the past where they belong and update to modern bladed fuses
- Printed Wiring and Full Color Installation Manual: Every wire is printed with the circuit identification and uses Jeep color codes for easy installation; Paired with the highly detailed full color installation manual, Painless makes a tedious task simple
- Machine Crimped Fuse Block: Painless uses OE style machine crimping and pre-terminates the fuse block, leaving the installer with only one end to terminate
- American Made, American Proud Since 1990: Every Painless harness is proudly produced in Fort Worth, TX, where we also staff our unmatched Technical Support department.; Need help during install…simply give us a call
9.7Exceptional
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Value for Money2
PainlessPainless Performance 20205 Classic-Plus Customizable Chassis Harness for 73-87 GM Pickup Truck, 27 Circuits
Main highlights- fit type: Vehicle Specific
- Upgraded ATO bladed fuses: Leave antiquated glass fuses in the past where they belong and update to modern bladed fuses
- TXL Wire: When reliability and performance can't be compromised, you want TXL - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing
- Printed Wiring and Full Color Installation Manual: Every wire is printed with the circuit identification and uses GM color codes for easy installation; Paired with the highly detailed full color installation manual, Painless makes a tedious task simple
- Machine Crimped Fuse Block: Painless uses OE style machine crimping and pre-terminates the fuse block, leaving the installer with only one end to terminate
- American Made, American Proud Since 1990: Every Painless harness is proudly produced in Fort Worth, TX, where we also staff our unmatched Technical Support department.; Need help during install…simply give us a call
9.6Exceptional
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3
VOWAGHUniversal Extra Long Wires 21 Circuit Wiring Harness Hotrod Kit Compatible with GM Chevy Universal Automotive Wiring
Main highlights- To make installation even easier, the wires are GM color coded
- Package includes wiper/radio acc, cruise/backup, heater/air, clock, dome, cig lighter, crtsy power, power door, power seat, fan power, coil, choke, instrument power, flasher, fuel pump power, brake, power window, headlight, radio battery, horn.
- GM installations see photos above
- All wires are labeled every 5 inches so installation is easy
- 17 fuses and 21 circuits; GM column connectors are included
9.5Excellent
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4
NiyakoNiyako Universal 21 Circuit Wiring Harness Kit, Extra Long Wire Standard Color 17 Fuses Fit Chevy Mopar Hotrods Ratrods
Main highlights- This wiring harness kit includes 21 circuits and 17 fuse blocks for hot rod vehicles. Circuits including horn, fan, dome light, hazard, radio, door locks, brake, headlights, trunk light, gauges, back up and cruise, wipers,coil, a/c, electric fuel pump, power windows, and turn signals. With horn relay and connector, turn and hazard signs, dimmer switch connector with the circuit breaker for headlights, two flashers, one alternator plug, two ignition switch connectors.
- Please don't hesitate to contact us at any time if you need further assistance or have any additional questions. Our dedicated customer service team is here to assist you and ensure your satisfaction. Thank you for choosing our brand, and we look forward to serving you again in the future.
- Niyako specializes in the sale Superior Qualities of auto parts and accessories.
- Dependentable Performance, keeping your vehicle in tip-top condition at all times.
9.3Excellent
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5
Nilight38% OffNilight - NI -WA 06 LED Light Bar Wiring Harness Kit - 2 Leads 12V On Off Switch Power Relay Blade Fuse for Off Road Lights Work Light, 2 Years Warranty,Black
9.5 worth the money9.5 Easy installation9.5 Water tight9.2Excellent
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6
MetraMetra 70-1761 Radio Wiring Harness For Toyota 87-Up Power 4 Speaker
Main highlights- Powers 4 Speakers
- Plugs Into Car Harness At Radio
- Great For All Your Needs
- Easy To Use
8.9Very Good
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7
ROADGIVEROADGIVE 21 Circuit 17 Fuses Wiring Harness Kit, Universal Extra Long Automotive Wire Harness Compatible with GM Chevy Mopar Hotrods Ratrods Chrysler
Main highlights- Simplified Installation: Featuring labeled wires and detailed user manual, this kit simplifies the wiring process
- Reliable Fuse Protectionl: With 17 fuses included, this harness ensures individual circuit protection, safeguarding your vehicle's electrical components from potential overloads
- Copper Wiring: High-class copper wires within the harness ensure optimal conductivity, minimizing voltage drops and enhancing electrical efficiency for peak performance
- Color Coding: 21 circuit wiring harness are all coded by gm color for easier installation. Engineered to gm color standards, this wiring harness ensures intuitive installation, simplifying connections
- 21 Circuit: Circuits including horn, fan, dome light, hazard, radio, door locks, brake, headlights, trunk light, gauges, back up and cruise, wipers,coil, a/c, electric fuel pump, power windows, and turn signals
8.8Very Good
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8
PartsFlowPartsFlow Universal Extra Long 12 Circuit Wiring Harness Street Hot Rod Wire for Chevrolet Chevy Mopar for Ford Muscle Car, Standalone Harness
Main highlights- 【Plug and Play】This Wire Harness has a responsive interface that plugs and plays, saving you time by eliminating the need to buy additional parts
- 【Package Contains】It features 12 circuits, The item will wire your car from headlight's to taillight's. Includes fuses for Radio, Headlights, Horn,Wiper Switch, Gauges, Hazard Lights,AC/Heat, Backup, Radio, Turn Signal, Horn Relay and Connector, Turn and Hazard Signals, Dimmer Switch Connector, Circuit Breaker for Headlights, 2 Flashers, 1 Alternator Plug, 2 Ignition Switch Connectors Plus more
- 【Installation Advice】All coded/marked in GM color for easy installation, professional installation is recommended for best performance from this harness kit
- 【Great Shopping Exprience】If you have any questions, don't worry, we will try to solve it; Please confirm the model before selecting this product
- 【Durable Car Wire Harness】The surface of each wire harness is wrapped in a friction-resistant, freeze-resistant and heat-resistant shell to increase the use time
- 【Compatible Information】The 12 circuit standard panel wiring harness fits most vehicle engines and transmissions, universal fitment in a wide range application, compatible with most of Chevrolet Ford Chrysler Mopar GM Hot rod Rat rod vehicles
8.6Very Good
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9
TADYAO14 Circuit Universal Wiring Harness Fit for Street Muscle Car Hot Rod XL Wires, 12V Fuse Wiring Harness Kit Compatible with Chevy Ford Chrysler Mopar Muscle Car
Main highlights- Simplified Installation Process: 14 circuit wiring harness kit provides a simplified way to rewire, reducing guesswork and tedious work. All necessary cables and accessories are included to make the entire installation process quick and easy. No need to worry about confusing circuit diagrams or cumbersome wiring
- Satisfy your Needs: You will receive 14 circuit wiring harnesses, 1 set of spare fuses, 1 tweezers for extracting fuses, relays, flash relays, terminals, auxiliary connecting wires, pipe sleeves, rolling strips, spare connectors, and instructions. Don't worry about missing accessories anymore, saving you time and money
- Perfect Compatibility: Fit for Street Muscle Car Hot Rod XL Wires. Compatible with Chevy Ford Chrysler Mopar Muscle Car. Ensure perfect compatibility and fit
- Improved Electrical Performance: The new wiring kit will ensure optimal performance of your vehicle's electrical system. Better current conduction and wire protection will reduce the risk of circuit failure while providing a more stable power supply to your vehicle. This not only improves performance, but also improves vehicle reliability
- Durability and Safety: Made of high-quality copper core wire to ensure its durability and long life. Robust cable housings, high-quality connectors and insulating materials can withstand harsh environments and challenges, ensuring that your vehicle is fully protected during use
8.3Good
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10
Goopool5.3 Wiring Harness ls Engine Wiring Harness Compatible with 1999-2006 DBC LS1 4.8 5.3 6.0 Vortec Drive by Cable 4L60E, with Wiring Guide Manual
Main highlights- Replacement: Engine Wiring Harness are long enough for the PCM to be mounted under the dash ADDED 36" FOR EASY COMPUTER MOUNTING.All Harnesses have a High Quality Grommet installed on the Harness (THAT SLIDES FOR DESIRED MOUNTING
- Plug and Play: Installation instructions are included, and the Ls stand alone harness plugs are in different colors for easier installation.If you have any questions please contact us we will solve them for you the first time
- Engine Wiring Harness: All harnesses come with the needed Dash Connections, which include Speedometer, Tachometer, Park Neutral, TCC, Malfunction Indicator, and a DLC Port
- Compatible with: LS1 Engine Wiring Harness Compatible with Chevy GMC Cadillac Hummer Trucks Vortec 4.8L 5.3L & 6.0L 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Drive By Cable LS1 Engines , 4L60E Transmission
- Attention: We sincerely appreciate the purchase of our ls swap harness.If product has any quality issues, you can request to send a new product, we value your shopping experience
8.1Good
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