my glowplugs dont work and its about 5 degress outside should i get a block heatewr and is it safe for a 6.9 ford

 

I'm surprised it starts without plugs or block heater at 5*. Get a block heater and fix the plugs, no harm from a properly installed block heater.

 

it dose not start at this cold

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so what type should i get

 

Go down to your preferred parts house and order one up. Nothing to a block heater to make one better than another.

 

ok ill do that thanx butt i mean like there have freaze plug the weird blancket type or what

 

Oh, I would go with one that replaces a freeze plug for sure. Blanket ones work good too for warming up the oil pan if you get in to real cold weather (-40, -50) but a regular block heater will do what you want very well.

 

ok i go and pick it up tomarow

 

i found out that there is already on there with no cord should i plug a cord in to to check if it works

 

That's what I would do. You could ohm it out cold and check what resistance it is supposed to be, but I think I would just plug it in and see what happens.

 

plug that bad boy in! chances are it's still good, someone prolly just ripped the cord out and never replaced it.

or it was a southern truck that came with the heater but no cord

edit: did it really hit 5* lastnight? hmmm