well i just did it!take off your dash trim witch will reveal your 4x4 panel switch.disconnect the wire connections in back of the 4x4 panel switch.plug in the wires connections to the back of your knew 4x4 panel switchand carefully put your dash trim back on!
The address of the Yukon - Mabel C. Fry Public Library is: 1200 Lakeshore Drive, Yukon, 73099 3263
The 4 wheel drive switch is located on top of the transfer case
Your 2001 gmc Denali is all time 4 wheel drive. It doesn't turn off. Only the slt, sl, and lower models have a push button 2 wheel to 4 wheel drive.
my relay switch is broken and has gotten my transmission in over drive-did you find the switch?
The 2003 GMC Yukon has rear wheel drive.
The 2001 GMC Yukon has rear wheel drive.
The 2006 GMC Yukon has rear wheel drive.
The 2011 GMC Yukon has rear wheel drive.
The 2012 GMC Yukon has rear wheel drive.
The 2004 GMC Yukon has rear wheel drive.
The 2007 GMC Yukon has rear wheel drive.
The 2014 GMC Yukon has rear wheel drive.