Auto Headlights

[John]

When I start the engine the headlights use to come on automatically, now they don't. What controls the lights to be automatic when you start the engine?

 

[lesterl]

What do you have?

 

[John]

99 Tahoe.

 

[lesterl]

I assume you checked your fuses? Did the running lights come on, or are you referring to the DRL lights?