Block heater ?
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Elder User
Joined: May 2007
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Block heater ?
It's going to be around 20 tonight and I thought I might plug the block heater in for the first time. Is it bad to plug it in right before I go to bed and then unplug right before I start it up? It would be plugged in about 9 hrs. total. I don't have a timer to start it early in the morning and I ain't getting up at 3 or 4 in the morning out of the warm bed! Are there any hazards plugging it this long?
Fleet Mechanic
Joined: Oct 2003
Posts: 1,764
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From: CentralEastern Utah
Originally Posted by tndiesel
Does it really pull that much power?
Post Fiend
Joined: Mar 2007
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From: Johnson City, TN.
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Fleet Mechanic
Joined: Mar 2007
Posts: 1,313
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From: Rio Rancho NM
Why not connect an extension cord to the truck, run the other end of the cord into the house through a window or door and leave it unplugged all night? Then when you get up plug it in.
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Joined: Sep 2007
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From: Medford Oregon
Block heater draws about 7.5 Amps of current or about 900 Watts. I've played around with different times and found 3 hours to be ultimate. Anything more did not make a difference, at least in my area. I use it all winter, truck just runs sooooo much better and have heat much quicker, within a few miles.
Timers can get spendy but found one at Ace Hardware for about $14.00. It is the mechanical type rated at 1200 Watts and you put little pins on the timer face for start and stop times. It is also fully grounded and waterproof. I've used the past couple months and give it my stamp of approval.
Timers can get spendy but found one at Ace Hardware for about $14.00. It is the mechanical type rated at 1200 Watts and you put little pins on the timer face for start and stop times. It is also fully grounded and waterproof. I've used the past couple months and give it my stamp of approval.