Yukon xl air ride wiring diagram - Fixya Yukon xl air ride wiring diagram - 2003 GMC Yukon XL. Posted by Anonymous on May 24, 2012. GMC Yukon, a 2003 GMC Yukon car alarm wiring diagram can save yourself a lot of time. Alex, double check ALL your fuses and make sure ALL your fuses are good. How to Disable a Car Alarm - YouTube ? 2:41 Testing Air Ride Compressor on my GMC Denali - YouTube Click to view on Bing0:14By jumpering 30 to 87 on the ALC Relay Socket (attached to bottom of fuse box under the hood), you can see if your Air Ride Compressor is good. This rules out a few things. First thing you shouldAuthor: D CloesViews: 152K Service Ride Control - Air Ride fuses to check first - YouTube Click to view on Bing2:55Look on the cover and the diagram shows its exact location. Category Ford Expedition & Lincoln Navigator Air Ride C1725 Common Faults How to test ALC Relay GMC Air Ride SuspensionAuthor: D CloesViews: 685K SOLVED: 2003 denali air ride control problem. Compressor (this is a little bit unclear to me due to the fact the air ride module shows that the dark blue and yellow wire, as a ground from the air ride module to the relay. but does not clarify exactly what value that ground signal should be). I am referencing Fords own wiring diagram.