diff --git a/Components/FlightControl/RocketSM.cpp b/Components/FlightControl/RocketSM.cpp
index fb043eb6..db8ffcc7 100644
--- a/Components/FlightControl/RocketSM.cpp
+++ b/Components/FlightControl/RocketSM.cpp
@@ -189,6 +189,8 @@ RocketState PreLaunch::OnEnter()
     // Make sure the MEV is closed
     MEVManager::MEV_CLOSE();
 
+    GPIO::PowerSelect::UmbilicalPower();
+
     PBBRxProtocolTask::SendFastLogCommand(Proto::FastLog::FastLogCommand::FL_RESET);
     PBBRxProtocolTask::SendFastLogCommand(Proto::FastLog::FastLogCommand::FL_RESET);
 
@@ -912,7 +914,8 @@ RocketState Abort::OnEnter()
     // Make sure the MEV closed and vents are open
 	GPIO::Vent::Open();
 	GPIO::Drain::Open();
-    MEVManager::MEV_CLOSE();
+	MEVManager::MEV_CLOSE();
+	GPIO::PowerSelect::UmbilicalPower();
     return rsStateID;
 }
 
@@ -974,7 +977,8 @@ Test::Test()
 RocketState Test::OnEnter()
 {
 	// Test does not have any entry actions
-    return rsStateID;
+	GPIO::PowerSelect::UmbilicalPower();
+	return rsStateID;
 }
 
 /**
diff --git a/Components/GPIO.hpp b/Components/GPIO.hpp
index 58861fcd..aa850206 100644
--- a/Components/GPIO.hpp
+++ b/Components/GPIO.hpp
@@ -71,11 +71,11 @@ namespace GPIO
 
 	namespace PowerSelect
 	{
-		inline void InternalPower() { HAL_GPIO_WritePin(BATTERY_EN_GPIO_Port, BATTERY_EN_Pin, GPIO_PIN_SET); }
-		inline void UmbilicalPower() { HAL_GPIO_WritePin(BATTERY_EN_GPIO_Port, BATTERY_EN_Pin, GPIO_PIN_RESET); }
+		inline void InternalPower() { HAL_GPIO_WritePin(BATTERY_EN_GPIO_Port, BATTERY_EN_Pin, GPIO_PIN_RESET); }
+		inline void UmbilicalPower() { HAL_GPIO_WritePin(BATTERY_EN_GPIO_Port, BATTERY_EN_Pin, GPIO_PIN_SET); }
 		inline void Toggle() { HAL_GPIO_TogglePin(BATTERY_EN_GPIO_Port, BATTERY_EN_Pin); }
 		
-		inline bool IsInternal() { return HAL_GPIO_ReadPin(BATTERY_EN_GPIO_Port, BATTERY_EN_Pin) == GPIO_PIN_SET; }
+		inline bool IsInternal() { return HAL_GPIO_ReadPin(BATTERY_EN_GPIO_Port, BATTERY_EN_Pin) == GPIO_PIN_RESET; }
 	}
 }