Hello David,We're thrilled to hear that we could help you with your truck's evaporator problem and the unexpected wiper issue during the heavy rains. It's great to know that our team was able to identify and swiftly address the multi-function switch problem, and that the evaporator system is in good shape. Thank you for trusting us with your vehicle, and we look forward to assisting you in the future.Best regards,Blanchard Auto Repair