Question about Ford F-450

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Have ford f450 v10 small rv. started up after winter storage. it ran good . turned on a/c it started to run then clicked off like a fuse blew. is there a clutch fuse? i cannot find one labeled for a/c. any ideas?

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There is a fan clutch relay switch is that what your looking for

Posted on May 18, 2011

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  • There is an AC compressor relay I think might be your problem. Will be under the hood. A year for the vehicle would help but your relay is under the hood. More than likely in a black box.

Regards, Tony

Posted on May 18, 2011

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Where is the reset swicth on ford 2000 super duty v10

I looked at owners manual for f450. This info is in your owners manual. If you don't have an owners manual, has owners manuals you can look at.

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1999 rv with ford v10. Starts good, idles good, runs good FOR 5 MILES..then if it idles , it dies...still seems to run ok as long as the rpm is over 1000 (IDLE). Ford shop says needs new fuel pump.

Did Ford tell you the pressure of fuel was LOW? They should know what they're doing.
Does it have an idle air control valve (IACV) ? Have you cleaned the MAF sensor? don-ohio (:^)

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Ford F450 V10 rough running under load.

Good place to start. Ignition module may be the cause too.

Mar 06, 2016 | Ford Cars & Trucks

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How can I get a diagram for fuse box for ford f450 p/u

Go here Free TSB'S an wiring diagrams . Click on technical information . Five box will come up ,click on tsb's an wiring diagram free . Next page go to the bottom an click I agree , next page click wiring diagrams an then enter your vehicle info . Under system click electrical distribution , then under subsystem click fuse panel . Good luck hope this helps an have a Happy New Year !

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No fuel pump sound on a 2005 f450 v10 when the key is turned on and wont star

Check the inertia switch. That switch kills everything.

Also, make sure you don't have any "theft" codes as this will also not allow the pump to turn on.

Assuming you checked fuses and are getting juice at the pump wire.

Don't need to say it but I will. Never check a used fuel pump outside of the vehicle. They do blow up!

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I have a 2005 ford f450 with 6.8 v10. Couple problems, very slow repsponce from pedal, only revs to 3200rms,and tops out at 40mph ,very loud whine/ squeel from what sounds like driver side valve cover, had...

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There is no serviceable fuel pump relay on these vehicles. It is built into the Central Junction Box (aka the main fuse panel under the instrument cluster). Hope this helps.

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I have a 2001 winnebago with ford f450 engine with no tail lights

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1 Answer

FUSE BOX F450 2006

This information can be found at
You just need to give info for year, make and model.
After that choose owners guide. The pages you are looking for are 208-9. The printing is a bit small. I hope this helps.

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