Hi Trevor,
I suppose it could be a short somewhere? Did you check each individual battery? I have seen those battery holders make a bad connection sometimes...
Just guessing
Ade
Hi Trevor, watch my videos on you tube under Desert Goldfever I think you could pick up some tips on these engines later Ike
Just had a quick look Ike at one of your vids and subscribed and I will look at them all later.....wow....that's one very bice hobby shop you have!