Diagnostic Aids
WARNING: This page is about a different car, the 2014 GMC Yukon XL 1500, 2014 GMC Yukon, 2014 Chevrolet Tahoe, and 2014 Chevrolet Suburban 1500. However, it is still accessible from the selected car via links, so may be relevant.
- EL-49742 harness is a good source for B+ and ground.
- The transfer case drain plug is a good source for ground.
- Typical RPS parameter values:
- 2WD HI = 30-40°
- 4WD Auto = 95-105°
- 4WD HI = 120-135°
- 4WD LO = -70-60°
- Neutral = -2-2°
- Lock Position = 30-38°