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2021 Jeep Grand Cherokee Owners Manual - ENGINE BLOCK HEATER — IF EQUIPPED



ENGINE BLOCK HEATER — IF EQUIPPED

The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord.

The engine block heater must be plugged in at least one hour to have an adequate warming effect on the engine.

    3.6L Engine — Bundled and strapped behind the engine air cleaner assembly.
    5.7L Engine — Bundled and strapped in front of the power distribution center.


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