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Junior Member
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23 Posts
Discussion Starter #1
We have an 06' DMax and this week the cab fan increased to max. When we turn the key off the fan stays on, the only way to turn it off is to disconnect the batteries or pull the fuse. We have even tried to disconnect the connections to the dash control module and the fan stays on. Is the control module bad, or do I need to look at something else?
 

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Powerstroke Puller
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167 Posts
Check the blower resistor. I know they are a common problem on the 1500s. Check under the glovebox for a connector that plugs into the bottom of the HVAC box
 
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