Need help! Which Transfer case motor to order?

[BigLurr54]

So I need to replace my transfer case encoder motor on my 2001 GMC Yukon XL. It has the 4 button 4wd system. (Auto 4wd, 2 Hi. Neutral,4 Hi,4 Lo.) Every where I look for parts comes up with two parts for this year make and model.

 

These are Cardone Re manufactured units and part numbers.

 

48-104:

• Reman. A-1 CARDONE Transfer Case Motor; 4WD; Automatic Trans.; with Electronic Shift Transfer Case; with 2 Speed Transfer Case

48-105:

• Reman. A-1 CARDONE Transfer Case Motor; 4WD; Automatic Trans.; with Active, Automatic Shift Transfer Case; with 2 Speed Transfer Case

Not a very clear explination. What is the "with Active, Automatic shift transfer case"? Is that the Auto 4wd part?

[Larry]

If you have the four button Autocrap system you need the 48-105