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Unread 11-20-2013, 05:49 PM   #1
TerrestrialAlms
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Join Date: Nov 2013
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Battery Warmer?

Hello,

I recently moved to Winnipeg, where I anticipate I (and my '14 Grand Cherokee) will experience the coldest winter temperatures I've ever encountered. I do have an engine block heater installed, but would it be advisable to purchase a battery warmer/blanket as well? I anticipate having to work night shifts, which means plenty of nights where my vehicle will be parked outside and exposed to the elements. From what I understand, the battery in the newer Grand Cherokees is under one of the seats in the passenger compartment. I imagine that might help protect the battery some from the cold, but if the vehicle is going to be outside for an extended period, I"m not sure that would be enough. Thanks!

T.A.

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Unread 11-21-2013, 03:34 PM   #2
overland_HO
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I don’t think they make one for the WK2 but personally I think you will be just fine without it as mentioned, it's under the seat too...Block warmer helps the most with keeping the fluids warm which will make it easier to start. Just my opinion though. My CTD has started with no issues at -10 when we go ice fishing up at the lakes...
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Unread 11-24-2013, 09:16 AM   #3
peckmv
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I don't see how a blanket around a battery will keep it warm. There is no source of heat.
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Unread 11-24-2013, 09:22 AM   #4
WvTaco
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Quote:
Originally Posted by TerrestrialAlms View Post
Hello,

I recently moved to Winnipeg, where I anticipate I (and my '14 Grand Cherokee) will experience the coldest winter temperatures I've ever encountered. I do have an engine block heater installed, but would it be advisable to purchase a battery warmer/blanket as well? I anticipate having to work night shifts, which means plenty of nights where my vehicle will be parked outside and exposed to the elements. From what I understand, the battery in the newer Grand Cherokees is under one of the seats in the passenger compartment. I imagine that might help protect the battery some from the cold, but if the vehicle is going to be outside for an extended period, I"m not sure that would be enough. Thanks!

T.A.
The battery is under the pass seat.
Block heater works well on my v6. Takes about 2 hrs to make a noticeable difference. Jeep says to use the block heater anytime the outside temp is under 20 deg f.
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Unread 11-24-2013, 09:25 AM   #5
ColdCase
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The simple blankets just retain heat, there are ones with electric elements you plug in (like an electric blanket).

I'm not sure how easy the current diesel is to start, there doesn't seem to be much complaint from overseas where they've been used for years. Use the block heater below 30 degrees F to take a load off the starter motor, and to give you heat much earlier. Should be good down to -20F . Not the same motor, probably harder to get spinning, but my cummins never had an issue starting even without the block heater. The block heater saves wear and tear.... come to think of it, the truck also had two batteries
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