GMC TRANSFER CASE ENGAGE

Hi, I Have A 2003 Gmc Sierra 1500 That The 4wd Doesn't Work. Initially I Replaced The 4wd Switch Panel Because The Lights Weren't On At All...

When I Push The 4hi Button Nothing Happens. I've Checked The Fuse, It's Good, Checked The Fuse For Power And It Has Power. The 2hi...

I Have A 2002 Gmc Sierra 4x4 That Won't Engage Into The 4wd. It Is A Electronic System. I Push The Button To Go From 2wd To 4wd Hi And...

My 4wd Will Engage In 4lo But My 4hi Will Not Engage. I Can Hear A Click In The Dash And At The Transfer Case While The 4hi And 4lo Lights...

My Front Axle Will Not Engage. I Checked Fuse, Vacuum Actuator, And Front Axle Cable. All Checked Out Okay. I Don't Know How To Check...

It Will Not Go Into Four Wheel Drive.

1996 Gmc K 1500 Front Diff Not Staying Engaged. Took Out Actuator And Applied 12 Volts. Did Not Extend At First But Did Eventually. Only...

Cannot Engage 4wd. It Was Engaged This Am But When In A Parking Log I Disengaged. It Will Not Go Back Into 4wd.I Tested The Little Module...

New Process Transfer Case In It It Has A 4l80e Transmission. I Have Looked Everywhere For Wiring Diagram For The Four-wheel Drive Cymatics...

1993 Gmc 1500 4x4 Does Not Engage