FA16 - Check Inertia Fuel Shutoff Switch Ground
^ Key "OFF".
^ Disconnect the inertia fuel shutoff switch connector.
^ Measure the resistance between the inertia fuel shutoff switch connector and ground (BK wire).
^ Is the resistance less than 5 ohms?
YES -- Go to FB2. FB2 - In-Line Fuel Filter Condition
NO -- Service the "BK" wire.