I'm having the same issue with my NEW HV system as well. See this thread for more info:
http://www.rc-monster.com/forum/showthread.php?t=7591
Losi 8T 1.0, Savage Flux - XL style, LST XXL, Muggy, 3.3 E-Revo Conversion and sitting outside 425hp, 831 Tq Dodge Ram Turbo Diesel. It SMOKES
