Block heater cord. - JeepForum.com

 
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post #1 of 15 Old 12-06-2013, 06:32 PM Thread Starter
bpbpimajeep14
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Block heater cord.

Does anyone else find the length of the block heater cord on the new diesels to be a little short. It does not even stick out of the hood, therefore the hood needs to be open rendering the command start useless. Poor design. My only real complaint so far.


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post #2 of 15 Old 12-07-2013, 10:51 AM Thread Starter
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Am I the only one that lives where these things NEED to be plugged in.


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post #3 of 15 Old 12-07-2013, 11:51 AM
ColdCase
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There was a post a few weeks ago where missing block cords and routing was discussed. I have the V8 and its cord is plenty long for me. I like plugging them in outside the hood as there has been more than once I've backed out forgetting to unplug. Makes you look kinda foolish when you trail a yellow snake down the road

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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post #4 of 15 Old 12-07-2013, 02:42 PM
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Quote:
Originally Posted by bpbpimajeep14
Does anyone else find the length of the block heater cord on the new diesels to be a little short. It does not even stick out of the hood, therefore the hood needs to be open rendering the command start useless. Poor design. My only real complaint so far. Sent from AutoGuide.com App
Hubby and I have a 2012 V8 GGC. Once we located the cord and un-bundled it we realized that our cord was also too short to be routed outside the front. We had to add a short extension cord and pull it through near the tow hook to be able to use it easily.
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post #5 of 15 Old 12-07-2013, 04:05 PM
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I'm glad I saw this. We just got ours and I didn't even want to try starting it since it was 25 below last night. Too bad it doesn't have the right length cord. Maybe I'll add a battery warmer and connect them together before going out the front.
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post #6 of 15 Old 12-07-2013, 04:16 PM Thread Starter
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I noticed this morning that even though it was plugged in it struggled a little to start this morning. Granted it was -30 but still it should start relatively easily when plugged in no? I have an 03 cummins that would start even not plugged in.


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post #7 of 15 Old 12-07-2013, 05:09 PM
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How long was it plugged in?
2-3hours?


Does the wk2 have two batteries like the ram?
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post #8 of 15 Old 12-07-2013, 08:12 PM
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Originally Posted by WvTaco View Post
Does the wk2 have two batteries like the ram?
No, one battery.

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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post #9 of 15 Old 12-07-2013, 11:01 PM Thread Starter
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It was plugged in overnight. I will see again tomorrow morning if it's the same or different. Almost seemed as If the block heater wasn't working.


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post #10 of 15 Old 12-09-2013, 06:21 AM
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I don't know where I got this, but I have in the back of my mind that the block heater only runs for 60 minutes then shuts off automatically. Gotta check the book when I'm off work.
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post #11 of 15 Old 12-09-2013, 08:54 AM
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Interesting, I just noticed my build sheet includes engine block heater. Never had to use it here in AZ but that was good to know just in case we ever need it. Have to find out where the cord is first
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post #12 of 15 Old 12-09-2013, 08:53 PM Thread Starter
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The cord is located up by firewall on passenger side kind of wrapped up.


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post #13 of 15 Old 12-10-2013, 08:49 AM
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Quote:
Originally Posted by Shibodo View Post
I don't know where I got this, but I have in the back of my mind that the block heater only runs for 60 minutes then shuts off automatically. Gotta check the book when I'm off work.
The block heater is a simple electric cord leading to a heating element immersed in engine coolant. I am not sure on the JGC, but they are usually installed where a frost plug would go in the engine block. It will heat as long as it is plugged in. I use an external timer on mine to come on in the morning 2 hours before I leave for work.

I have not used the block heater on my new GC yet, but on my previous car you could hear a sound like a kettle of water just before it comes to a boil when the block heater was plugged in. For those of you that use this, if it is quiet enough can you hear a similar sound? If so, it would help to diagnose if the block heater is working or not.

Failing that, a simple continuity test with a multi meter across the two prongs of the plug should tell you if there is a circuit or not. I will check mine and see what the resistance reads as a point of reference for others.
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post #14 of 15 Old 12-10-2013, 09:56 AM
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Quote:
Originally Posted by Shibodo View Post
I don't know where I got this, but I have in the back of my mind that the block heater only runs for 60 minutes then shuts off automatically. Gotta check the book when I'm off work.
Possibly from the manual where it says it has to be connected at least an hour for it to help keeping the engine warm.
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post #15 of 15 Old 12-10-2013, 03:16 PM
Shibodo
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Yep, that would be right.
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