One problem related to windshield wiper/washer switch has been reported for the 2002 Chevrolet Silverado 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Chevrolet Silverado 3500 based on all problems reported for the 2002 Silverado 3500.
Windshield wiper intermittent switch failure (2nd time since bought truck new in 2002). When switch to intermittent, wipers come on and stay on.