Originally Posted by
waldig
At one time there was a shutoff relay -device- or really an impact relay for collision shut off of the fuel pump when FI cars started out. I was thinking that was the item that was being described. Woody

Ford used a similar device in the 90's. It shut down the fuel pump in a collision. There was a reset button in the trunk area when it would occasionally trip on its own for no reason. I seem to remember resetting more of them in station wagons.