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Old 08-21-2007, 02:54 PM   #1 (permalink)
Ted White
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Engine Block/Coolant Heater

Could it be that my LMM came without a block/coolant heater? The Duramax manual says the heater cord is on the passenger side of the engine near the auxiliary battery, and I've read posts elsewhere that it is hard to find the cord because it is all taped up. However, I've spent enough time gazing down at the passenger side of the engine looking for a wire that looks like a heater cord - I need some help. Thanks
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Old 08-21-2007, 03:07 PM   #2 (permalink)
looneytune
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It's there, I actually saw the plastic plug cap before I saw the cord. Look by the fuel filter closest to the front and by the tray that holds the battery. Mine was near where the strut from the firewall holds the battery tray, almost under the tray . It's zip tied to a another bundle of wires.
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Old 08-21-2007, 03:36 PM   #3 (permalink)
Ted White
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Thank you Looneytune. I went right out and took another look. It was still darned hard to find it because the plastic end cap was on the UNDERSIDE of the bunch of wires it was zip tied to. I only found it by looking for the zip tie !! Luckily the zip tie looks like something temporary so it stands out as different to all of the other cable clamps. Thanks again.
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Old 08-21-2007, 04:12 PM   #4 (permalink)
BVH
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Thanks in advance for helping me find mine when the truck arrives!
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Old 08-21-2007, 06:27 PM   #5 (permalink)
schillster1
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Yeah, me too! I'll be looking for a zip tie!
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Old 08-21-2007, 08:53 PM   #6 (permalink)
mikeymax
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hey, yeah thanks for the info! i found mine, it was just hanging out there for me to see! maybe i'll have a chance to use it when i plan a vacation up north somewhere!!
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Old 08-21-2007, 09:47 PM   #7 (permalink)
illduramax
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this info will be handy thanks

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Old 09-15-2007, 06:10 PM   #8 (permalink)
00dirtfan
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Did GM leave enough cord to get outside the hood?My 2001 did not leave me enough,I had to open the hood to plug in.
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Old 09-15-2007, 08:55 PM   #9 (permalink)
modified
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http://www.kennedydiesel.com/dmaxblockheater.html
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Old 09-15-2007, 09:04 PM   #10 (permalink)
mark45678
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since 2001 I have owned and driven a (3)duramax trucks, its been in -15*f nights and NEVER been pluged in and starts very easy . If you do plug it in put a time clock on it so it runs the block heat for a hour before lift off time in the AM . very few places in the states need to plug in there duramax trucks , Alaska ,some of the norther sections of the midwest and poss northern Maine.
enjoy your new truck !
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