diff --git a/firmware/controllers/algo/engine_configuration.cpp b/firmware/controllers/algo/engine_configuration.cpp
index fc9759b40a..6d15935815 100644
--- a/firmware/controllers/algo/engine_configuration.cpp
+++ b/firmware/controllers/algo/engine_configuration.cpp
@@ -299,6 +299,9 @@ void setDefaultConfiguration(engine_configuration_s *engineConfiguration, board_
 	boardConfiguration->acRelayPin = GPIO_UNASSIGNED;
 	boardConfiguration->acRelayPinMode = OM_DEFAULT;
 
+	boardConfiguration->alternatorControlPin = GPIO_UNASSIGNED;
+	boardConfiguration->alternatorControlPinMode = OM_DEFAULT;
+
 	engineConfiguration->acSwitchAdc = EFI_ADC_NONE;
 
 #if EFI_PROD_CODE
diff --git a/firmware/controllers/core/le_functions.h b/firmware/controllers/core/le_functions.h
index 6b6d5101a6..84b12d1c99 100644
--- a/firmware/controllers/core/le_functions.h
+++ b/firmware/controllers/core/le_functions.h
@@ -20,6 +20,8 @@
 
 #define AC_RELAY_LOGIC "ac_on_switch"
 
+#define ALTERNATOR_LOGIC "vbatt 14.5 <"
+
 /**
  * In human language that's
  * (fan and (coolant > fan_off_setting)) OR (coolant > fan_on_setting)
diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 820c5e036e..f15987b8e2 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -64,6 +64,7 @@ static LEElementPool lePool(mainPool, LE_ELEMENT_POOL_SIZE);
 static LEElement * acRelayLogic;
 static LEElement * fuelPumpLogic;
 static LEElement * radiatorFanLogic;
+static LEElement * alternatorLogic;
 
 extern OutputPin outputs[IO_PIN_COUNT];
 extern pin_output_mode_e *pinDefaultState[IO_PIN_COUNT];
@@ -251,6 +252,10 @@ static void onEvenyGeneralMilliseconds(Engine *engine) {
 		setPinState(AC_RELAY, acRelayLogic, engine);
 	}
 
+	if (boardConfiguration->alternatorControlPin != GPIO_UNASSIGNED) {
+		setPinState(ALTERNATOR_SWITCH, alternatorLogic, engine);
+	}
+
 	updateErrorCodes();
 
 	// todo: migrate this to flex logic
@@ -419,6 +424,8 @@ void initEngineContoller(Engine *engine) {
 
 	acRelayLogic = lePool.parseExpression(AC_RELAY_LOGIC);
 
+	alternatorLogic = lePool.parseExpression(ALTERNATOR_LOGIC);
+
 	addConsoleAction("analoginfo", printAnalogInfo);
 
 	for (int i = 0; i < LE_COMMAND_COUNT; i++) {
diff --git a/firmware/rusefi.cpp b/firmware/rusefi.cpp
index 4bbb3602a0..e3c0d49ad6 100644
--- a/firmware/rusefi.cpp
+++ b/firmware/rusefi.cpp
@@ -265,5 +265,5 @@ int getRusEfiVersion(void) {
 		return 1; // this is here to make the compiler happy about the unused array
 	if (UNUSED_CCM_SIZE == 0)
 		return 1; // this is here to make the compiler happy about the unused array
-	return 20141129;
+	return 20141130;
 }