GMC 100 Sensors, Relays, Senders, and Fuses

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

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

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.

Troubleshooting a fuel gauge can be a seriously aggravating issue. Click here for a video showing some hints and tips!

In this Tech Tip, John responds to a customer request for our recommendations on brake kits for his ’56 F100.