Take it to the dealership.
no
its under the passenger seat.
Non, it is not equipped with a passenger airbag switch.
A diagram to replace the brake light on a 1999 Tahoe can be purchased from your local auto parts store. It is located in the Haynes 1999 Tahoe Repair Manual.
Probably the passenger side firewall
its on the back passenger side of the engine.
The 1999 Honda Accord airbag computer module can be found behind the kick plate. The module will be on the passenger side.
No you do not.
take it to chevy
You can replace just one if that is all the problem there is.
There is an airbag assy on the steering wheel and one on the dashboard on passenger side. they are assy. that get replaced.
Price for parts on 99 tahoe head gasket