GMC 150 TH400 Gauges and Instrumentation Parts

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Learn how to install a side detent shifter in a 1969 Chevy C10.

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

Here are some things to think about when purchasing a quality tire pressure gauge.

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

How to prevent blowing a motor by keeping up with you weekly maintenance routine. Charles reviews how to install oil pressure and water temperature gauges to help prevent issues while racing.

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

Wiring a car may seem like a daunting process, but Jess explains the steps to successfully wire the ignition switch, headlight switch, and the dash gauges.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Tips and tricks to pull the most from your GM 602/604 platform.