diff --git a/firmware/controllers/generated/signature_hellen72.h b/firmware/controllers/generated/signature_hellen72.h
index 01c00c79cc..93fe95ba46 100644
--- a/firmware/controllers/generated/signature_hellen72.h
+++ b/firmware/controllers/generated/signature_hellen72.h
@@ -4,5 +4,5 @@
 
 #define SIGNATURE_BOARD hellen72
 #define SIGNATURE_DATE 2021.02.16
-#define SIGNATURE_HASH 2250632929
-#define TS_SIGNATURE "rusEFI 2021.02.16.hellen72.2250632929"
+#define SIGNATURE_HASH 3995412184
+#define TS_SIGNATURE "rusEFI 2021.02.16.hellen72.3995412184"
diff --git a/firmware/tunerstudio/generated/cache.zip b/firmware/tunerstudio/generated/cache.zip
index 2522452f70..23ce683df5 100644
Binary files a/firmware/tunerstudio/generated/cache.zip and b/firmware/tunerstudio/generated/cache.zip differ
diff --git a/firmware/tunerstudio/generated/rusefi_hellen72.ini b/firmware/tunerstudio/generated/rusefi_hellen72.ini
index 6a0d44c88d..1bae7b546c 100644
--- a/firmware/tunerstudio/generated/rusefi_hellen72.ini
+++ b/firmware/tunerstudio/generated/rusefi_hellen72.ini
@@ -33,12 +33,12 @@ enable2ndByteCanID = false
 
 [MegaTune]
  ; https://rusefi.com/forum/viewtopic.php?p=36201#p36201
- 	signature    = "rusEFI 2021.02.16.hellen72.2250632929"
+ 	signature    = "rusEFI 2021.02.16.hellen72.3995412184"
 
 [TunerStudio]
    queryCommand   = "S"
    versionInfo    = "V"  ; firmwave version for title bar.
-   signature    = "rusEFI 2021.02.16.hellen72.2250632929" ; signature is expected to be 7 or more characters.
+   signature    = "rusEFI 2021.02.16.hellen72.3995412184" ; signature is expected to be 7 or more characters.
 
 [Constants]
 ; new packet serial format with CRC
@@ -77,7 +77,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.sh integration/rusefi_config.txt Tue Feb 16 16:16:09 UTC 2021
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.sh integration/rusefi_config.txt Tue Feb 16 21:10:09 UTC 2021
 
 pageSize            = 20000
 page = 1
@@ -4039,7 +4039,8 @@ cmd_set_engine_type_default					= "Z\x00\x31\x00\x00"
 
 ;			Controller->Actuator Outputs
 	dialog = mainRelayDialog, "Main relay output"
-		field = "microRusEFI main relay control is hard wired on pin #29"
+		field = "Pin",  						mainRelayPin
+		field = "Pin mode",			         	mainRelayPinMode
 
 	dialog = starterRelay, "Starter relay output"
 		field = "Pin",  					starterRelayDisablePin
@@ -4729,6 +4730,7 @@ cmd_set_engine_type_default					= "Z\x00\x31\x00\x00"
 
 	dialog = testMisc, "Misc"
 ;		commandButton = "Come To Pit", cmd_call_from_pit
+		commandButton = "Main Relay", cmd_test_main_relay
 		commandButton = "Fuel Pump", cmd_test_fuel_pump
 		commandButton = "Radiator Fan", cmd_test_radiator_fan
 		commandButton = "Check Engine", cmd_test_check_engine_light