Home >> Cadillac >> 2019 >> CTS V >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Schematic Wiring Diagrams >> Schematic Wiring Diagrams >> Automatic Transmission Controls Wiring Schematics (M5N/M5U) >> Speed Sensors and Internal Mode Switch