Block heater cord location

[boxs]

OK, dumb question to ask in July - but does anyone know where the block heater cord is located?
boxs

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[Yaak392]

OK, dumb question to ask in July - but does anyone know where the block heater cord is located?
boxs

I googled it.....drivers side about mid way in engine compartment. 2021 jl 392

 

[iamstillvince]

that's the side, my cord was strapped to something, dont remember what though

 

[boxs]

Found it! My google search did not provide an answer for the 392. Thank you Dennis. Now I have to remember the location when it does get cold.
boxs

 

[RELBUS]

Is a block heater standard or was it an option?
Doubt mine will see snow ever just curious though.

 

[boxs]

It’s a $95.00 option.
boxs

 

[RELBUS]

Ok figured, as it usually is on most vehicles. Thanks

 

[Rob97RR]

If it’s ok to ask, what is the purpose of an engine block heater? I understand “what” it does, preheating the engine block and/or oil, but I don’t know the “why”.

Is it just to help the engine reach full running temperature quicker, or is there another benefit like better protection from cold startups to extend engine life?

Curious because I didn’t select that option on mine, and this past winter, our first winter here in northern Illinois was crazy cold, so I’m wondering if that was a mistake on my part.

 

[RELBUS]

If it’s ok to ask, what is the purpose of an engine block heater? I understand “what” it does, preheating the engine block and/or oil, but I don’t know the “why”.

Is it just to help the engine reach full running temperature quicker, or is there another benefit like better protection from cold startups to extend engine life?

Curious because I didn’t select that option on mine, and this past winter, our first winter here in northern Illinois was crazy cold, so I’m wondering if that was a mistake on my part.

It will definitely help achieve faster warm
Up time, and should help eliminate some wear on cold starts. However totally unnecessary for our weather in IL. My daily is a diesel and I rarely plug it in during the winter. In extreme cold climates I can see the benefit

 

[GtX]

If it’s ok to ask, what is the purpose of an engine block heater? I understand “what” it does, preheating the engine block and/or oil, but I don’t know the “why”.

Is it just to help the engine reach full running temperature quicker, or is there another benefit like better protection from cold startups to extend engine life?

Curious because I didn’t select that option on mine, and this past winter, our first winter here in northern Illinois was crazy cold, so I’m wondering if that was a mistake on my part.

Engines see less stress in very cold environments if they're warm. I have an engine block heater for my 3.0 in Chicago and target 2 hrs when temperatures are below 32F and 4 hours when below 0F.

A few years go we closed our facility during the polar vortex because we were concerned that employees wouldn't be able to start their vehicles to go home at the end of their shifts.

 

[Rob97RR]

Engines see less stress in very cold environments if they're warm. I have an engine block heater for my 3.0 in Chicago and target 2 hrs when temperatures are below 32F and 4 hours when below 0F.

A few years go we closed our facility during the polar vortex because we were concerned that employees wouldn't be able to start their vehicles to go home at the end of their shifts.

Thanks @RELBUS and @GtX for the info, good to know!
-Rob

 

[Bluewaveaudio]

I plug ours in below 32 just for the warm and fuzzy feeling it gives me. I know modern oils do not need it, especially with these running 0 weight oil. I still like plugging them in for the faster warm up either way

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