Forum Discussion
Old-Biscuit
Oct 13, 2016Explorer III
Harvard wrote:Makin' Do wrote:
Thanks for the quick replies. I didn't want to plug it in without being sure what would happen.
Never plug the block heater in WHILE the engine is running, it will melt the heater where it plugs into the block.
Correct......
Strictly for pre-warming of engine coolant PRIOR to starting engine
DAD's work trucks were ALL gasoline and ALL had engine block heaters.
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