Help! HVAC system not working at all
Hello. I have a 96 Fleetwood Southwind on an f53 chassis. I recently pulled my unit out of winter storage (had a couple days of -30s and -40s this year) to repair the inevitable burst water lines an...
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The AC box is labeled Nippondenso.
Update. I traced the hot wire from the blower motor and found a smaller gauge wire with inline fuse spliced into it. I assume this is what engages the AC compressor clutch because when I apply 12 volts to it the clutch engages and the entire system come to life. All of the blower speeds work as well. This makes sense if all of the controls are on the ground side (which I suspected). I’m looking for a fuse I missed or a bad relay - something to energize the 12 volt leg of the blower motor.
Update. I traced the hot wire from the blower motor and found a smaller gauge wire with inline fuse spliced into it. I assume this is what engages the AC compressor clutch because when I apply 12 volts to it the clutch engages and the entire system come to life. All of the blower speeds work as well. This makes sense if all of the controls are on the ground side (which I suspected). I’m looking for a fuse I missed or a bad relay - something to energize the 12 volt leg of the blower motor.
