Street Tail Light Wiring Harnesses

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

Speedway Motors and Classic Trucks called on Painless Wiring to power their ground up rebuild of a 1952 Chevy truck that was built in celebration of Speedway Motors’ 65th anniversary.

LEDs. Fantastic litle things with many uses, but sometimes they can leave a bit to be desired.Take into consideration, the flimsy plastic lenses. Speedway Motors product guru Jeff K. noticed their appearance. And so he did something about it.

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

Looking to replace a turn signal switch in your street rod, rat rod or muscle car? Kevin explains the install process in his 1954 Belair, which you can apply to your own build.

In this Tech Tip, a returning customer asks for advice on wiring harnesses for his ’29 Ford roadster project.

Unbox our most popular wiring harness with Tim.

Speedway Motors Product Manager Jeff K. not only has an awesome 1946 Ford Sedan Delivery, he has a Mullins trailer that he restyled to match "Elmer". Jeff took the time to write up what he went through to make the style of the Mullins match up better.

Check out this headlight wiring and taillight wiring diagram.