7.3 electrical problem need advice - Ford Powerstroke Diesel Forum
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Old 02-02-2013, 04:49 AM
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7.3 electrical problem need advice

Hi let's start out by saying I have a 2000 f250 7.3 l with a edge juice with attitude programmer afe stage one intake and banks exhaust. I have bought 2 new batteries and new alternator but something is draining my batteries if the truck sits longer than 6 hrs. Please help I don't know what to do. I do all the maintenance on this truck my self but am new to diesels.
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Old 02-02-2013, 02:24 PM
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Welcome to the org.!

I'll ask my son the service manager. Bet he'll know where to start looking.
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Old 02-03-2013, 06:05 AM
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Old 02-03-2013, 06:24 AM
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I would start by making sure no interior lights are staying on like the dome light and glove box light. Now unhook both batteries, then hook an amp meter inline to just one battery. If there is more than a few milliamps, there is too much draw (start on the 10 Amp selection on your meter). Now start pulling fuses till the amps drop. When it drops, the last fuse you pulled is in the circuit that is drawing too much.
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Old 02-03-2013, 03:03 PM
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^ thats what i was gonna say
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Old 02-07-2013, 12:23 AM
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Okay I started pulling fuses yesterday and tracked it down. It is the fuse under the hood #22 50a fuse. It says the junction box battery feed what is that. And I already pulled all the fuses and relaus under the dash no luck.
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Old 02-08-2013, 05:33 AM
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Did you pull all the mini's in the junction box under the hood first? I think the fuse you pulled supplies all the circuits in the junction box.
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