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Those heaters work great and they only need to be plugged in for a couple of hours for it to work. If you get into the habit of leaving it on all night you will definately notice it in your next electric bill.
SOP:
-Buy timer, set for three hours before you leave.
-Plug the truck in.
-Wrap cord around driver's side mirror. (Just to remind you not to drive off with it still plugged in, it can happen.)
-Go inside house and make out Christmas list for Momma on what you want for your truck!
Simple!
Just another question on the block heaters. I want to put a block heater in my 99 expedition but in previous articles it mentions the "oil" filter area. In my old Chevy (now put to rest) the heater was inserted in the "soft plug" of the block. Is this the same with Expy's? And what position does it go in?
i havent used my block heater but once when i was in montana....
i put a auto release receptical on my front bumper and have a cord grip off the wall. its like what they use on emergency vehicals so when your running out and dont unplug its no big deal. im an electrician if your cord or wall socket is getting that warm with a 10awg cord i would check the wall socket. thoose quick wire style recepticals that have the wire that just push in the back are garbage, that plug could be at the end of 200' of 14awg romex so that could be whats causing the heat build up from the voltage drop so the amprage goes up
i havent used my block heater but once when i was in montana....
With that lead in I thought for sure you were going to wind up talking about a sheep....
Originally Posted by barebackjake
i put a auto release receptical on my front bumper and have a cord grip off the wall. its like what they use on emergency vehicals so when your running out and dont unplug its no big deal. im an electrician if your cord or wall socket is getting that warm with a 10awg cord i would check the wall socket. thoose quick wire style recepticals that have the wire that just push in the back are garbage, that plug could be at the end of 200' of 14awg romex so that could be whats causing the heat build up from the voltage drop so the amprage goes up
On my 86 F250 I had a recepticle that I got from a truck stop, it had the freightliner logo in it, looked kind of like the 6-pin trailer plug recepticles but it recieved a regular extension cord end. I mounted it in the front bumper and wired it to the engine heater. If you forgot to unplug it the cord would simply pull out when I backed up, no damage done. It looked a lot better, at least I thought, not having the cord hanging out the front all the time. Anyway, I have thought about doing this on my superduty because where the factory plug hangs now has allowed it to contact the a/c condenser and has folded over a bunch of the cooling fins on it. Has anyone done this on their superduty, and if so where did you mount it?
Big Al and Diesel Rod are both right. The resistance of resistance heaters goes up when they get hot. The 12 ohms Diesel Rod measured will go up when the heater is plugged in and heats up, reducing the power consumption from 1200 to (probably) 1000 watts. An extreme example is an incandescent light bulb, where the resistance changes dramatically as the filament heats almost instantly to white hot. If it didn't you would blow the breaker every time you flip on a light switch.
Big Al and Diesel Rod are both right. The resistance of resistance heaters goes up when they get hot. The 12 ohms Diesel Rod measured will go up when the heater is plugged in and heats up, reducing the power consumption from 1200 to (probably) 1000 watts. An extreme example is an incandescent light bulb, where the resistance changes dramatically as the filament heats almost instantly to white hot. If it didn't you would blow the breaker every time you flip on a light switch.
So your saying that as the resistance goes up (increases) the power draw goes down? I would think it would be the opposite. If you had dirty contacts for example, that would cause more resistance in a circuit. As a result, the current draw would go up, which in turn would cause the circuit to get hotter, which in turn would further increase the current draw.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
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