steering on emaxx not working

[nitrorube]

i did something very stupid,i was rewiring my emaxx and i touched the wires on the external cc bec and now my truck will not steer at all with the traxxas receiver,so i installed another radio and receiver and used a receiver battery to power the steering and it will only steer left and stay there,what the hell did i do,did i also fry my servos,help!