a cable pulling device for installing a second cable along side an existing first cable . the cable puller consists of a body with a motor mounted to the body . the motor has an output shaft attached to a drive wheel . the drive wheel turns against the first cable to propel the cable puller along the first cable . the cable puller also includes a motor controller operably coupled to the motor to control the motion of the motor . a cable clamp is attached to the body to secure a second cable as it is pulled into position along side the first cable .