golf speed controller

hi hope im doing this right,i pluged my golf 12volt electric trolley inback to front its blown a component on the board but u cant tell without taking parts of of board where do i start can send images regards alanbee

 

Hello Alan,
Very clear and detailed photos would be great. It's very difficult to take clear, well-focused pictures of circuit boards. Flash photography just doesn't work well, as the resulting images are very harsh and glaring. Indoor lighting usually doesn't work well either. The best lighting is outdoors on a cloudy-bright day, as the lighting is soft and even.

Having a manufacturer name, model and part numbers handy would also be helpful.