Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

Testing 2 and 3 Wire Speed Sensors

Here are some handy tips for finding the right fuel level gauge and sending unit for your classic car or truck.

How to Select the Correct Fuel Gauge and Sending Unit

Learn how to install and wire a digital tachometer. Speedway Motors covers the entire process with our installation of the Acewell 1100 Digital Tachometer.

Tachometer Wiring (Digital)

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit.  Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

Installing a Speedway Motors 22 Circuit Wiring Kit

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

Replacing Fuel Sending Unit

Speedway Motors employee Pat O. takes some time to discuss the Fuel Gauge Interface Module that allows you to use any gauge set with almost any fuel level sending unit.

Speedway Tech Talk - Attach Stock Fuel Sender to any Gauge

Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.

Steering Column Wiring Guide

Read how to wire a lightning sprint engine. This detailed account of how to successfully wire an engine will ensure a smooth installation.

How to Wire a Lightning Sprint Engine

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

The Best Wiring Solution for Your Hot Rod or Muscle Car Project

Check out this headlight wiring and taillight wiring diagram.

Headlight & Taillight Wiring Diagram

Engine Family Facets

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904, Speedometer Wiring and Senders

904, Speedometer Wiring and Senders | Speedway Motors

Shop 904, Speedometer Wiring and Senders and get Free Shipping on orders over $199 at Speedway Motors.

904, Speedometer Wiring and Senders

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Classic Instruments SN74Z Speed Signal Module