Interior fans don't always come on...

Irid

New member
The fans (heat and A/C) don't work all the time. When they don't work, none of the fan speeds work (even on high) but the A/C compressor and heater valves function properly.

It seems to be worse when it's cold out (nice!). When I drive over a big bump they tend to come back on, and then it will work until I truck off.

I checked the connections in the dash and cleaned them off and that didn't help. What other connection or relay(s) should I check?

Hints? I searched and didn't see a good hit...
 
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