I have 2 Gymkhana RC Cars and recently experienced an overheating problem. It has happened before so waited for it to cool.

After 1 hour the Car was still not working. I checked the batteries and replaced with fresh ones incl the transmitter and still no go

I notice when I turn on the radio the green lights on the Motor controller goes very dim and the servo unit blinks red/green.

Checked the servo and it was burnt out. No surprise as it was an original Traxxas one. and they are garbage.

I replaced with a HITEC RS82 MG but the system now twitches allot and goes off course all the time.

Any clues ???