diff --git a/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp b/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp
index e4f76b3909..7468b7ed99 100644
--- a/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp
@@ -132,6 +132,7 @@ void setBoardDefaultConfiguration(void) {
 	engineConfiguration->fanPin = GPIOD_12;	// OUT_PWM8
 	engineConfiguration->mainRelayPin = GPIOI_2;	// OUT_LOW3
     engineConfiguration->tachOutputPin = H144_OUT_PWM1;
+	engineConfiguration->alternatorControlPin = H144_OUT_PWM7;
 
 	// "required" hardware is done - set some reasonable defaults
 	setupDefaultSensorInputs();
diff --git a/firmware/config/engines/mazda_miata_vvt.cpp b/firmware/config/engines/mazda_miata_vvt.cpp
index 3b680fbfd1..d191283c58 100644
--- a/firmware/config/engines/mazda_miata_vvt.cpp
+++ b/firmware/config/engines/mazda_miata_vvt.cpp
@@ -258,6 +258,15 @@ static void setCommonMazdaNB(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 
 	engineConfiguration->idle.solenoidFrequency = 300;
 
+	CONFIG(isAlternatorControlEnabled) = true;
+	// enable altdebug
+	engineConfiguration->targetVBatt = 13.8;
+	engineConfiguration->alternatorControl.offset = 40;
+	engineConfiguration->alternatorControl.pFactor = 14;
+	engineConfiguration->alternatorControl.iFactor = 0.1;
+	engineConfiguration->alternatorControl.dFactor = 0;
+	engineConfiguration->alternatorControl.periodMs = 10;
+
 	copyArray(config->veRpmBins, mazda_miata_nb2_RpmBins);
 	copyArray(config->veLoadBins, mazda_miata_nb2_LoadBins);
 	copyTable(config->veTable, mapBased18vvtVeTable_NB_fuel_rail);
@@ -343,15 +352,6 @@ static void setMazdaMiataEngineNB2Defaults(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	engineConfiguration->crankingIACposition = 60;
 	engineConfiguration->afterCrankingIACtaperDuration = 250;
 
-	CONFIG(isAlternatorControlEnabled) = true;
-	// enable altdebug
-	engineConfiguration->targetVBatt = 13.8;
-	engineConfiguration->alternatorControl.offset = 40;
-	engineConfiguration->alternatorControl.pFactor = 14;
-	engineConfiguration->alternatorControl.iFactor = 0.1;
-	engineConfiguration->alternatorControl.dFactor = 0;
-	engineConfiguration->alternatorControl.periodMs = 10;
-
 
 	engineConfiguration->vvtCamSensorUseRise = true;
 	// set vvt_mode 3