Just looked into this recently for another poster - the losi rx balance connector takes the JST or Align style balance tap. The Equinox is supposed to come with the ElectriFly style adapter which is the same as the JST or Align balance tap. The balancer comes with a 2S and a 3S adapter, are you using the 2S? This is supposed to work, should be what came with balancer -

http://www3.towerhobbies.com/cgi-bin...?&I=LXNGC4&P=V