Cardone Select 85-4470 New Wiper Motor Improved over original performance, gears are redesigned with a stronger, less brittle material than O.E. to prevent premature wear, striping and breakage, thus extending the performance life 100% load testing ensures guaranteed performance every time Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life Magnets deliver the right amount of torque needed to withstand extreme weather conditions and to compensate for other worn components in the wiper motor system Units are designed with extra torque motors to prevent premature failure resulting from worn wiper transmission linkage Check the wiring harness ground, terminal ground lug or ground strap. If the motor still does not operate properly, check the switch and switch circuit. Most vehicles equipped with this feature have a rain sensor permanently mounted to the inside of the windshield in front of the rear view mirror. Make sure the connector weather seal is in place and in good condition, if so equipped. Replace if necessary. Make sure harness is well insulated and routed as designed. Make sure motor is well grounded. Make sure motor is mounted as designed. Check all drain paths  clean and clear of any debris. When re-installing cowl shield, ensure that there is a weather tight seal between cowl and windshield glass.  An improper seal or gap will cause premature failure due to water damage.