Generally all the air bag harness will have yellow wire covering.
Many flippers/rebuilders just pull the light bulb on the dash so there is no alertThat little yellow box on the front of the frame IS an airbag senser.Usually there are two ,one on each side.If your provence has safety inspection reuirements,replacing the bag./bagfs may be mandentory to pass inspection.It is in the state of Virginia.
You are correct.Should already be empty as you already have the front off?