Home >> GMC >> 2021 >> Terrain Denali, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Schematic Wiring Diagrams >> Schematic Wiring Diagrams >> Automatic Transmission Controls Wiring Schematics >> Shift Controls (with EPH)