Hello everybody, I just joined this forum and am hoping to get some help regarding a few issues with my truck. I have a 2003 Silverado LT extended cab with the 6L Vortec engine. My first problem is all of a sudden my windshield washer system stopped working. I've replaced the pump, the fuses (even though they looked alright), and now the washer pump relay but to no avail. I've run out of ideas on what to look for, and was hoping for some insight. Second problem is my fan switch will only work on 4 and 5. 0, 1, 2, and 3 all do the same thing......nothing. I've called my dealership, and I can apparently only order the entire Climate Control unit, rather than just the fan switch, which is $340 CDN. I'm wondering if there is any potential way of fixing this without having to buy a new Climate Control unit. Third problem is my Speedometer. It's nowhere near being accurate. I'll be traveling at 110 KM/H and it will read 30 KM/H, for example. Now, I'm not too familiar with this truck and am not sure if a new speedometer is in order or if there is a speed sender in the transmission/diff that may have gone bad. Anyone with experience on this? What part(s) required replacement? Thanks for any help.