• 2005-2011 Jeep Grand Cherokee WK/WK2 - May require use of 20954 switch harness.; Transducer. • 2004-2006 Dodge Ram 1500 V6 3.7L - May require use of 20954 switch harness.; Transducer. • 2007-2010 Dodge Ram 1500 - May require use of 20954 switch harness.; Transducer.