An airbag proxy is a small device that mimics the electrical signature of an airbag in a vehicle's SRS system. The SRS system constantly checks the integrity of all its connected airbags, pretensioners (a seatbelt pretensioner is a safety device that automatically tightens the seatbelt in the event of a collision, reducing the amount of forward movement and helping to secure the occupant more effectively), and sensors by measuring circuit resistance. If something isn't connec
