Heater not working

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Dec 13, 2012 | 09:51 AM

tjclavin

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Heater not working

First time user: Here I go!!
I recently (two Months ago) purchased a 2005 F250 Lariat with 98,xxx miles on the truck with a Diesel engine. I hopped in to drive it this morning and my heater/ac doesn't show anything. Can someone point me to the relays that might control this.

Thanks

Dec 13, 2012 | 11:19 AM

SOB Racing

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Typically the relays are in fuse box area inside truck and under hood near brake master cylinder.

Dec 15, 2012 | 08:56 AM

kmonty2

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From: Sterling Heights, MI

You should ask your question over in the Super Duty forum, will get more looks there and I am sure a answer.

Dec 17, 2012 | 02:15 PM

SOB Racing

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I had similar issue but i could not get cold air it turned out to be vacuum issue. Check for vacuum near passenger rear of motor area grey hose which attaches to heater hose valve setup.