As our 1956 Ford F-100 won’t be enjoying sunny SoCal once complete, we contacted New Port Engineering for their Clean Wipe kits and Vintage Air for a heater.

Vehicles Affected: Approximately 13,800 model-year 2015-16 Ford F-150 pickup trucks equipped with engine heater elements and 3.5-liter GTDI engines.

The circuit board controlling the heater in certain F-150 Lightning may be missing a solder joint, ... F-150 Lightning Owners Might Get Chilly This Winter As Ford Recalls 931 EVs Over Busted Heater.

If it does then you need to check the two pipes that go through the bulk head (to the heater matrix). If both are cold then suspect the heater control valve. If one is hot and the other cold then ...