Vent/Floor mode question - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 01-24-2013, 08:09 AM Thread Starter
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Vent/Floor mode question

My 2005 has manual control temp and vent selection. I've noticed that when I turn to vent only (one position left of the 12-o'clock off position) and vent-floor (one position right of the 12-o'clock off position)...I get the A/C pump cycling. This is when I'm asking for heat.

I'm familiar with why you want the A/C pump cycling for defrost with heat (or cool)...but why the A/C pump with vent or vent/floor?

It does not cycle with floor only. Can this be programmed out of the logic of the truck? I don't want the A/C pump cycling unless I'm calling for A/C or defrost.

2005 F250 XLT FX4 SuperCab
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