Well, not sure if this will help you or not but I just swapped out the 48v to 12v stepdown they provided and installed a new one. It has only been a day but it fixed my issue (so far).
Before, a few seconds after turning the frunk power on, it ALWAYS went to reset. I could trick it by un...
Did you ever get this issue resolved? I am having a similar issue where mine stop working randomly due to the same “reset” issue you are having. I dont have anything else connected to the frunk but the running boards though.