i just bought a futaba attack 4WD - T4VWD-....... i hooked up the lipo hump pack in my jr radio to test it and worked fine but seemed to be a little warm.... did i burn it out? cause i just put my new nimh pack for it in it and its got a bad glitch and cant seem to find it.... if the main board is fried, what can i use or part number for one so i can buy it please let me know