To get the most out of your device, follow these core operating procedures:

The Equus 3022 is a powerful, analog diagnostic tool that can save you hours of guesswork on classic cars. But like any precision instrument, its value is unlocked only with the . Do not rely on memory or hearsay. Download the official PDF from Innova, read the safety warnings, and practice the cylinder balance test next weekend.

If one side lights up red and the other does not, the fuse is blown.