Does the 96 Chevy silverado have an inertia switch if it does where is located?

The 1996 Chevrolet Silverado does have an inertia switch, also known as a crash sensor. Its location isn't standardized across all trim levels and body styles, however, it's usually found under the dashboard, on the driver's side. It's often near the steering column or under the lower dash panel.

You'll likely need to feel around for a small, usually cylindrical, device with a red button. It's often hidden fairly well. If you can't easily locate it, you might want to consult your owner's manual or a repair manual specific to your year and model Silverado. A quick online search for "1996 Chevy Silverado inertia switch location" with images might also help you visually identify it.