2000 GMC Jimmy "repair 2001 blazer 4 wheel" Questions

...2001, 2002, 2003, 2004, & 2005. Specifically the 15748800 module for the NP8 option 4 button automatic 4X4 NVG-236/246 transfer case. I doing research online, I find that 15154323 might be an ...

...2001 chevy blazer with a 4.3L v-6 with electronic 4 wheel drive. It is shifting from 2-high to 4-low after a short drive from beginning point. I can stop the vehicle, put trans. shift into ne utral, ...