Heater motor

Here is a strange one (to me). At time my heater motor fan will not come on. I notice that when this happens that when I shut the truck off and take
the key out the steering wheel is not locked. If I turn the key one and bounce the tilt wheel up and down a few time I can get it to work.
This is on my 2003 Dodge RAM Diesel.
Any thoughts on what is going one here?
Thanks
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Not sure on the '03s, but previous year Rams only locked the steering wheel upside-down.
If I turn the key one and

My guess would be a bad ignition switch/loose wire in the connector. Pin #8 on the connector (dark green wire) is the dedicated feed for the blower motor, fed by a 40A fuse (fuse #4) on pin #1 of the connector (pink/black wire).
Is it still under warranty?
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