There are a couple of reasons why a 1999 Tahoe headlights may not work. A couple of reasons could be blown bulbs or the wiring.
For the 1999 Chevy Tahoe, automatic headlights are turned on by default. Turning them off requires opening the bezel on the dashboard and removing the light sensor.
Make sure the emergency brake pedal is retracted all the way up. Or check the switch at the E brake pedal. The headlights go off on all 1999 tahoes when the emergency brake is on.
From 1996 to 1999 will work.
From 1988 to 1999 will work.
There are screws
headlights
yes
There are individuak fuses for each headlight
It can be done it will take A LOT of work it won't bolt right up.
buy a new car.
Not enough information to answer
Is a 1999 chevy tahoe transmission compatible with a 2001 chevy tahoe transmission?