Replacement potentiometer suitable for the Hill Billy older type trolley complete with wires. pot, regulator

Fits:  Compact   All Terrain   HiLite

If your trolley is running at full speed and will not switch off unless you disconnect the battery this is NOT the solution. You will need a new 100825 SPEED CONTROLLER unit, the PCB in the battery tray 

ON LINE FITTING INSTRUCTIONS - click on link at bottom of this page