![shift light illuminated on bench](https://www.autosportlabs.com/wp-content/uploads/2014/02/shift_light_illuminated_on_bench.jpg)
One of the most common sensor and dashboard combinations in a race car is commonly known as an ‘idiot’ light. Usually it’s a tiny red LED mounted on a dash that lights up when something in your car is about to explode. Often it’s coolant temperature, oil pressure or oil temperature. Those are traditionally the…