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Posted to sci.electronics.repair,rec.sport.golf
James Sweet James Sweet is offline
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Default Electric Golf Trolley Controller

wrote:
There is a very similar looking component right next to it, although it
has different markings.

The one I have removed was connected to the negative feed from the
battery, with one of the other pins connected to a resistor.

The other, similar one, has one pin connected to the positive battery
terminal (which is also shared with the positive feed to the motor),
and one of the other pins is connected to the negative feed to the
motor.




Yeah it sounds like the one that blew up is a mosfet controlling power
to the motor.