[Gezepi] wanted to add an auxiliary input to the stereo in his 1994 Camry. At first look there wasn’t an easy way to patch into the system. But a bit of probing with an oscilloscope and figured out ...

If you buy a new car, borrow a friend's, or even rent, you may be presented with a handy-dandy aux jack. Aux stands for auxilliary, it lets you hook up your music player to the car's stereo. You'll ...