10L0L Golf Cart MCOR Potentiometer Accelerator for Club Car DS & Carryall 2001-2011 Electric, OEM# 1021011-01 102101101 When the MCOR's fail it will result in the cart not being able to maintain a steady speed and it can often have jerky or hesitant operation. The internal contacts of the MCOR get corroded and can no longer provide a clean throttle signal to the controller, does not close when the pedal is depressed and keep a vehicle from running entirely. If you have any of these symptoms, this MCOR be the solution to your problem. Q: Will it fix jerky acceleration and unstable speed? A: Yes, it restores clean throttle signal to eliminate jerky operation and maintain steady speed. Q: Is it fully waterproof for outdoor use? A: Yes, ultrasonic bonded waterproof ring offers better protection than common glue-sealed models. Q: Does it have fireproof performance? A: Yes, fireproof hard plastic housing enhances safety during daily use. Q: Is installation difficult for regular users? A: No, it’s designed for direct replacement, no complex adjustments or tools needed.