I figured out how to enable HDC (Hill Descent Control) & Rock Crawl driving mode to a non-FX4 4WD. This mod requires the following:
1. The HDC button - in my case it's the split button for HDC & Traction Control p/n: SW8524 / ML3Z-13D730-RA (Note this matches the trim in my Platinum and the p/n for an XLT would be different)
2. Terminals for HDC connector C2304 - pin 4 (female) and inline connector C214 - pin 12 (female) located behind the A/C controls. The Ford part #'s for these...
Adding Hill Descent Control to a non-FX4 4WD
1. The HDC button - in my case it's the split button for HDC & Traction Control p/n: SW8524 / ML3Z-13D730-RA (Note this matches the trim in my Platinum and the p/n for an XLT would be different)
2. Terminals for HDC connector C2304 - pin 4 (female) and inline connector C214 - pin 12 (female) located behind the A/C controls. The Ford part #'s for these...
Adding Hill Descent Control to a non-FX4 4WD