Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3H), 9T60 (M3G) Or 9T65 (M3W) - Schematic Wiring Diagrams >> Schematic Wiring Diagrams >> Automatic Transmission Controls Wiring Schematics >> Tap Up/Tap Down Switches