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Old 01-11-2010, 01:50 PM
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fuse

fuse underdash keeps blowing its a small 30amp fuse it controls the wait to start lite put knew fuse in turned key blew it again does that fuse also for the block heater and fuel bowl heater dont have a manual to see what that fuse is for its a 99 f350 my cord for block heater is pretty bad should i unhook i or wont that make a difference HELP.
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Old 01-11-2010, 02:05 PM
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unplug your fuel heater, on the back of the fuel bowl.......your fuel heater is shorted out and blowing the fuse.



Last edited by ianstew; 01-11-2010 at 02:08 PM.
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Old 01-11-2010, 02:19 PM
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The fuel bowl heater is shorting out probably. Just unplug it and it'll be fine. The cord might need to be replaced but that is a completely different circuit.
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Old 01-11-2010, 02:51 PM
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fuse

[QUOTE=ianstew;1635828]unplug your fuel heater, on the back of the fuel bowl.......your fuel heater is shorted out and blowing the fuse.

would that cause it to die whiling i was driving
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Old 01-11-2010, 02:59 PM
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Possibly. The same fuse the is for the FB heater provides power for the PCM too. Something on that fuse shorts and blows it, it all goes out.
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Old 01-11-2010, 03:03 PM
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hope that works so i can get another 236,000 out of her.Thanksfor the pic.
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Old 01-11-2010, 03:49 PM
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when i unhook that will it affect my winter driving in minnesota its cold here?
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Old 01-11-2010, 06:30 PM
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How needed is the factory fuel bowl heater? - Diesel Forum - TheDieselStop.com
Good little discussion about it. But no more than likely it won't affect anything.
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