GMC Gen 2 AMC V8 Electrical, Lighting and Wiring Parts

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

Check out this headlight wiring and taillight wiring diagram.

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.

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.