Quote:
Originally Posted by hemi43
That's an inline electric heater for the coolant.Truck must have come from a cold climate.
Must be nice not to know what that thing was !! LOL
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I've heard of oil heaters to thin the oil down in really cold climates to help starting. But I don't understand the need for a coolant heater. Isn't that the engine's job? If your coolant is freezing, seems like upping the antifreeze content would solve that problem. Also seems like that thing wouldn't do much to warm coolant in the radiator or block. But hey, you learn something new every day.