Home / MOTOR CONTROLLERS / E-Z-Go Controllers / Series E-Z-Go / Alltrax SR48500 Series Motor Controller for EZGo TXT & Marathon Golf Carts Alltrax SR48500 Series Motor Controller for EZGo TXT & Marathon Golf Carts$609.00 Alltrax SR-48500 Motor Controller Voltage * :- 36V 48V Throttle Type * :- 0-5K 2-Wire (EZGo Marathon 94 & Older) ITS (EZGo 95 & Newer) w/ FREE Mount BRKT Add Optional Solenoid :- MZJ-400 w/ Diode & Resistor ($127.00)