Where is the block heater on a 7.3 Power Stroke diesel?

Are you changing out of the block heater on a 7.3 Power Stroke diesel engine? Here's where it's located and what to keep in ...
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GM pickups recalled 2nd time for engine block heater problem

DETROIT (AP) — General Motors is recalling more than 331,000 diesel pickup trucks in the U.S. for a second time because the engine block heater cords can short circuit and cause fires. The recall ...