Suppliers of vehicle wiring and harness connection systems and components.


Purchasing Resources for Automotive Wiring

Custom Wiring Harness

Industrial Harnesses & Connectors. ISO Certified. U.S. Made. Call Now.

Automotive Wire & Cable

New Price Reduction on Auto Wire & Cable. Free Shipping Over $99+.

Automotive Wiring

All the wire and parts you need for your Automotive Wiring project.

A&B Electrical Service

75th year-Service, Repair & Install Our techs average over 22 yrs. Exp!

Automotive Electrical

Complete Car Electrical Services. Alternators, Starters & More!

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Carquest Auto Parts

National retailer and distributor of auto parts and tools. Also offers professional and technical training.




NAPA Online

Aftermarket and replacement part distributors, retailers and service centers.




Painless Wiring

Manufacturer of automotive wiring harnesses and products.




Pre-Pro Assembly

Hydraulic trailer brake assembly, air brake systems, trailer wiring harness, brake actuation kits.




Sumitomo Electric Wiring Systems Inc.

Japan-based manufacturer of automotive electronic systems and components.




T.M. Morris Manufacturing Co., Inc.

Manufacturer of electrical wiring and harnesses. This company also sells metal ground straps used for static control. Products are sold to the automotive and other industries.




Taylor Cable Products, Inc.

Manufacturer of automotive wiring equipment, vertex magneto electronic ignition distributors, performance ignition wires and power cables. Products are sold to the automotive industry.




Tips & Advice to help you make your decision on Automotive Wiring

Most car owners will never need to know anything about automotive wiring. Only the car buffs and those unfortunate few who have an indicator light that will not turn off will ever need to know the guts of a car's electrical system. Automotive wiring falls into two categories: old cars and new cars. Cars that pre-date the 1980s have relatively simple electrical systems that most hobbyists can troubleshoot. Newer cars, conversely, use the electrical system to control all of their impressive features. The electrical system in new cars is so integrated into the car's operation that an amateur attempt to fix or replace the automotive wiring can have catastrophic results.

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