Engine Block heater

[bbdano]

Hello,
I've got a 2005 F-250 supercrew 6.0 diesel, factory installed block heater. How can I tell if its working properly? I'll plug it in after I get home from work. I then sets in a garage for about 8 to 10 hours, plugged in. Sometimes when I go to unplug it the plug is warm. Lately, it hasn't been warm at all. It seems to take the same distance of travel to warm up as it would if it was not plugged in.
Thanks for any input.

[sawyer1]

Not sure how to tell im sure someone will be along to know also make sure the outlet your using works and isnt thrown sounds stupid but ive been there. And WELCOME TO THE .ORG

[PSDfan99]

there is a way to test it with an OHM-meter, I dont remember how, but if you put the meter across the 2 prongs on the block heater chord, then there should be a certain amount of electrical resistance, how much... i'm not sure? Someone will know tho. Do a thread search for block heater questions, I know I read the information somewhere on here.

[j54983]

I just ran out & checked my block heater, 30-50 ohms resistance at the plug between the flat conductors. Didn't check to the ground conductor because it's just too cold out there, 19 degrees. I have an EDGE controller in the truck & usually the motor temp is about 100 degrees when i start it in the morning. Hope this helps you out.

[bbdano]

Thanks,
I may just run out and check mine. That'll give me something to go on...least mine is in my garage, its probably 32 degrees in there, and freezing rain out side.

[shfletchak]

My truck still takes time to warm up even if plugged in when cold, if I forget to plug in the motor will be extra loud and run rough at startup. Also, the glow plugs will take longer to cycle if the block heater isn't working or plugged in. Of course, I'm talking COLD, as in below zero temps.

[bbdano]

Okay, I got brave and it wasn't so bad in the garage...until I hooked up the meter...I got nuthin!!! So...anybody got any guesses as to what to do next?
I heard someone say that these block heaters are put in at the factory, and when you decide that you want one after you get your truck, that the dealer orders the wiring kit and installs it for you and Wa LA, you got a working block heater. So maybe I'll get lucky and it'll be something simple like faulty wiring...ya think

[bbdano]

Umm, that block heater is covered under the 50K engine warranty...right???

[bbdano]

Can anyone tell me how to add pictures to my profile?
dano

[strokermann]

just plug it in over night and then in teh morning go out there and touch the block and see if it warms if its warm its doing its job.