The daytime running lights are prone to burning out. Our technicians tell us that the light sockets may show signs of heat damage but usually are OK. Always be sure to use the correct replacement bulb for the best life expectancy. The new bulb recommendation for 2001-2003 models is #4114K (trade number).
Daytime Running Lights are Prone to Burning Out on GMC Yukon Denali
Average mileage: 99,100 (50,000–146,500)
13 people reported this problem
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Viewing 1 - 3 of 3 comments
The sockets burnt out, melted some of housing also
changed out lights
Bad design plug holding the bulb in.