What makes my DTL just stop working? on 1999 Chevrolet Tahoe

They just did not come on. The green headlight emblem comes on in the dash, But the DTL do not come on. The regular headlights work fine. I changed the relay and the emergency brake switch but that was not the problem.

by in Oswego, IL on February 14, 2013
2 answers 1 comment
ANSWER by on February 14, 2013
did you ck bulbs?
COMMENT by on February 14, 2013
Thanks for the reply. On the 99 Tahoe the DTL work with the headlights. There no seperate driving lights. The headlights work fine. Any other ideas? Thanks again
ANSWER by on February 14, 2013
Check ALL fuses?