Starting and operating
Engine Block Heater — If Equipped
In this manual: Starting and operating
~1min read
1special tools
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 cord is located:
• 3.6L Engine – coiled and strapped to the engine oil dipstick tube.
• 5.7L Engine – bundled and fastened to the injector harness.
The engine block heater must be plugged in at least one hour to have an adequate warming effect on the engine.
Test yourself
A quick Jeep Grand Cherokee quiz: every answer comes with an explanation and a link to the manual page.
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