diff --git a/firmware/controllers/trigger/main_trigger_callback.cpp b/firmware/controllers/trigger/main_trigger_callback.cpp
index aa01bf2975..452c03776b 100644
--- a/firmware/controllers/trigger/main_trigger_callback.cpp
+++ b/firmware/controllers/trigger/main_trigger_callback.cpp
@@ -84,13 +84,13 @@ extern TunerStudioOutputChannels tsOutputChannels;
 //#define RAM_METHOD_PREFIX
 //#endif
 
-static void startSimultaniousInjection(Engine *engine) {
+void startSimultaniousInjection(Engine *engine) {
 	for (int i = 0; i < engine->engineConfiguration->specs.cylindersCount; i++) {
 		enginePins.injectors[i].setHigh();
 	}
 }
 
-static void endSimultaniousInjectionOnlyTogglePins(Engine *engine) {
+void endSimultaniousInjectionOnlyTogglePins(Engine *engine) {
 	for (int i = 0; i < engine->engineConfiguration->specs.cylindersCount; i++) {
 		enginePins.injectors[i].setLow();
 	}
diff --git a/firmware/controllers/trigger/main_trigger_callback.h b/firmware/controllers/trigger/main_trigger_callback.h
index 02c3d38d74..179e5c96fb 100644
--- a/firmware/controllers/trigger/main_trigger_callback.h
+++ b/firmware/controllers/trigger/main_trigger_callback.h
@@ -22,6 +22,8 @@ int isIgnitionTimingError(void);
 
 void showMainHistogram(void);
 
+void startSimultaniousInjection(Engine *engine);
+void endSimultaniousInjectionOnlyTogglePins(Engine *engine);
 void seTurnPinHigh(InjectionSignalPair *pair);
 void seTurnPinLow(InjectionSignalPair *pair);