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Repair guides and support for the Expedition, a full-size SUV based on Ford's F-150 pickup truck. Closely related to the Lincoln Navigator.

AC/Fuse or relay

My AC does not blow cold air just hot air so I need a fuse or relay or does it need to be recharged?

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Without knowing more it's impossible to tell. Is your compressor running? Is it getting voltage? Is voltage getting through low pressure switch? Could be fuse, could be refrigerant charge, could be compressor. What have you checked? One way to quickly see if it's low on refrigerant is to go to the low pressure switch, pull the plug off, and use a small bit of wire to act as a jumper and connect the 2 pins in the plug. If compressor starts running then it's low on charge. Don't leave the wire for long though.

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