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Thread: Heater controls
05-07-2007, 11:22 AM #1
- Join Date
- May 2007
- Columbus, Ohio
Has anyone else had a problem with heater controls? Most of the time, the blower on my 2004 will only run on high speed (4). I've already replaced the blower resistor. Any suggestions?
07-25-2007, 10:13 AM #2
- Join Date
- Jul 2007
I've got a 2004 Colorado LS that started doing that almost a month ago i guess. It is intermittent, I can't pin point it to anything like leaving the AC on or off or at any particular level, it does it with ac or heat. I assume it is either the fan motor or the switch. I haven't been able to take it in to the dealer because I'm never near the dealer when its doing it.
Plus sometimes if it starts doing it right away when i get in the truck I can switch it between 3 and 4 real fast and it will start working. This is why I think its the switch. Sometimes though I will mess with it for 20 minutes and get nowhere only to park it and come back 5 minutes later and its working. It is very strange and VERY annoying. If you figure it out let me know and I will do the same (If I ever take it in to have it looked at).
The last time it did that I tried to pop the dash cover off and look at the switch but it's all clustered in with the other 2 knobs into one unit so I can't investigate a whole lot.
Also See: http://www.gmtruckclub.com/forum/showthread.php?t=6197
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