B&B Travlers
Metamora, IL
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Joined: 09/24/2004
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at what tempature do you plug in the heater before you start up your engine and also do they have glow plugs? new to diesels just wondering thanks for any info
2006 Forest River Charleston
2002 Jeep Cherokee Toad
2010 Polaris Ranger XP800
1 Understanding Wife 
1 Spoiled Smooth Fox Terrier "Libby"
1 Spoiled Lowchen "Ivy"
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wolfe10
Texas
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Joined: 10/08/2000
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What engine do you have? Most modern diesels do NOT have glow plugs, they have intake manifold heaters.
And two ways to look at use of your block heater:
When you need it to start the engine-- below freezing with most engines.
When it will shorten your warm up time-- below 40 degrees or so.
Brett
Brett Wolfe
1997 Safari Sahara 3540
EX: 1993 Foretravel 36' U-240
FMCA Forum: www.community.fmca.com/index
Diesel RV Club:http://www.dieselrvclub.org/
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YnotTurbo
Waldorf Maryland
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Joined: 04/20/2006
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All three of my pickups have had plug ins. I would plug mine in when I knew it was going to be in the low 40's and below. The main reasons are that you will get heat sooner when you start your drive, and easier on the engine. Some diesel engines contain a glow plug. When a diesel engine is cold, the compression process may not raise the air to a high enough temperature to ignite the fuel. The glow plug is an electrically heated wire (think of the hot wires you see in a toaster) that heats the combustion chambers and raises the air temperature when the engine is cold so that the engine can start. Hope that helps you out.
Navy Chief (Ret.)Still working 2012 Ram 3500 Laramie w/6.7 High Output
2011 Mobile Suites Lexington 43
http://s176.photobucket.com/user/YnotTur........l?&_suid=1366572875209011068766924960799
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ScottG
Bothell Wa.
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Joined: 02/25/2005
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If you have a Cummins then you don't "need" to plug it in to get it to start until it's 20-30 below zero. However, above that it will indeed help with warm up times as others have said.
Oh and you don't have glow plugs - you have a grid heater (be thankful  .)
Scott, Grace and Wesly
2003 Dodge 3500 4x4, 6 speed Cummins (lightly bombed),
2004 Forest River 25RKS many, many mods.
H0NDA eu2000i
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seatboard
South Carolina
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Joined: 08/10/2007
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On our 06 Fleetwood Revolution, there is a rocker switch on the foot of the bed.
Harold and Faye US Navy Retired
2006 Fleetwood Revolution 40LE
400 cat
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bluwtr49
Green Valley, AZ
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Joined: 09/12/2005
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I have no idea if my C-12 has a heater. However, I really don't plan on being anywhere that cold for any extended period of time.
On the other hand, I can warm the engine with the Hurricane system so I guess that counts.
Dick
2000 40" DP Beaver Patriot Thunder Cat C-12 425 HP, 1550 Tq
1997 Jeep GC Limited ---toad
2008 Toyota Tundra Crew Max Limited TRD (Retired)
2009 Cougar 268 RLS ~8700 lbs road wt (Retrired)
2006 Jeep Liberty Turbo Diesel.....TV in Training
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Snomas
Denver, CO
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I have a block heater and have never used it in Denver, CO!!
2002 DutchStar 350 Cummins/Spartan Chassis, 2012 Ford Explorer
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Cat320
Somewhere in the USA
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Joined: 11/01/2005
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ScottG wrote:If you have a Cummins then you don't "need" to plug it in to get it to start until it's 20-30 below zero. .)
That's not what Cummins said. I called them and asked when to use the engine pre heat...he said 40 degrees F or lower.
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ScottG
Bothell Wa.
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Cat320 wrote:ScottG wrote:If you have a Cummins then you don't "need" to plug it in to get it to start until it's 20-30 below zero. .)
That's not what Cummins said. I called them and asked when to use the engine pre heat...he said 40 degrees F or lower.
Hard to get good answers sometimes, often service advisors just shoot from the hip. Check out any of the Cummins forums and you'll see how wrong he was.
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rvrepairnut
bc
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Joined: 11/11/2011
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Cat320 wrote:ScottG wrote:If you have a Cummins then you don't "need" to plug it in to get it to start until it's 20-30 below zero. .)
That's not what Cummins said. I called them and asked when to use the engine pre heat...he said 40 degrees F or lower.
yes pre heaters not block heater.There is no way in this world you need a Block heater at 40F.NO WAY
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