Why are the lights flickering on my GMC Yukon?
Why are the lights flickering on my GMC Yukon? I've been dealing with a similar issue for YEARS on my 07 Yukon XL SLT. Have had the alternator changed twice because of it. All lights would randomly flicker at idle or sometimes driving with no rhyme or reason. Try wiggling the small wiring harness on the back of the alternator, left of the power lead. What kind of interior does GMC Yukon have? This is a modal window. This modal can be closed by pressing the Escape key or activating the close button. The First Ever Yukon AT4 features an...